question stringlengths 1 1.14k | options listlengths 4 4 | answer stringclasses 4
values | explanation stringlengths 0 3.68k ⌀ | dataset stringclasses 5
values |
|---|---|---|---|---|
What is the study of how living organisms interact with each other and with their environment? | [
"zoology",
"ecology",
"genetics",
"botany"
] | B | Recall that ecology is the study of how living organisms interact with each other and with their environment. But how do organisms interact with each other? Organisms interact with each other through various mechanisms, one of which is competition. Competition occurs when organisms strive for limited resources. Competi... | science |
What will reflect more light? | [
"a black bag",
"a yellow shirt",
"a blue shirt",
"brown shoes"
] | B | science | |
Through what part do exocrine glands discharge their contents? | [
"follicles",
"urethra",
"tubular ducts",
"capillaries"
] | C | Exocrine Glands Exocrine glands release their contents through a duct that leads to the epithelial surface. Mucous, sweat, saliva, and breast milk are all examples of secretions from exocrine glands. They are all discharged through tubular ducts. Secretions into the lumen of the gastrointestinal tract, technically outs... | science |
The contents of which organ are mixed every 20 seconds? | [
"the stomach",
"the metabolism",
"pancreas",
"kidney"
] | A | science | |
Irrigation can waste a lot of what natural resource? | [
"water",
"money",
"fertilizer",
"habitat"
] | A | Irrigation can waste a lot of water. The type of irrigation shown in Figure below is the most wasteful. The water is sprayed into the air and then falls to the ground. But much of the water never reaches the crops. Instead, it evaporates in the air or runs off the fields. Irrigation water may cause other problems. The ... | science |
Interconnected pathways through which carbon is recycled through the biotic and abiotic components of what? | [
"ozone",
"hemisphere",
"atmosphere",
"biosphere"
] | D | interconnected pathways through which carbon is recycled through the biotic and abiotic components of the biosphere. | science |
What type of energy travels through space as electrical and magnetic waves? | [
"electromagnetic energy",
"mechanical energy",
"solar energy",
"sound energy"
] | A | 4. Electromagnetic energy is energy that travels through space as electrical and magnetic waves. The light flooding the stage in the Figure above is one type of electromagnetic energy. Other types include radio waves, microwaves, X rays, and gamma rays. | science |
What is the term for a mixture that varies in its composition? | [
"homogeneous",
"amorphous",
"heterogeneous",
"mixed composition"
] | C | The rock in Figure above is an example of a heterogeneous mixture. A heterogeneous mixture varies in its composition. The black nuggets, for example, are not distributed evenly throughout the rock. | science |
A creature that can move through liquid easily due to flippers is | [
"bluejays",
"felines",
"penguins",
"cattle"
] | C | science | |
In what way do all vertebrates reproduce? | [
"biologically",
"sexually",
"asexually",
"mitosis"
] | B | Vertebrates reproduce sexually, and almost all have separate male and female sexes. Aquatic species generally have external fertilization, whereas terrestrial species usually have internal fertilization. Vertebrates have one of three reproductive strategies, known as ovipary, ovovivipary, or vivipary. | science |
Hydroelectric power harnesses the energy of what? | [
"water",
"weather",
"heat",
"air"
] | A | Moving water has energy ( Figure above ). That energy is used to make electricity. Hydroelectric power harnesses the energy of water moving down a stream. Hydropower is the most widely used form of renewable energy in the world. This abundant energy source provides almost one fifth of the world’s electricity. The energ... | science |
A group of atoms that results when one hydrogen atom is removed from an alkane is referred to as what? | [
"nitrate group",
"chloride group",
"hyrdrogen group",
"alkyl group"
] | D | An alkyl group is a group of atoms that results when one hydrogen atom is removed from an alkane. The group is named by replacing the -ane suffix of the parent hydrocarbon with -yl. For example, the CH3 group derived from methane (CH4) results from subtracting one hydrogen atom and is called a methyl group. The alkyl g... | science |
What is the term for abnormally low blood levels of carbon dioxide? | [
"trichina",
"hypocapnia",
"spirogyra",
"hepatitis"
] | B | The chemical reactions that regulate the levels of CO2 and carbonic acid occur in the lungs when blood travels through the lung’s pulmonary capillaries. Minor adjustments in breathing are usually sufficient to adjust the pH of the blood by changing how much CO2 is exhaled. In fact, doubling the respiratory rate for les... | science |
2 , 3 , 6 , 0 , 10 , - 3 , 14 , ( . . . ) | [
"- 6",
"8",
"- 2",
"4"
] | A | "there are two series 2 , 6 , 10 , 14 , . . . ( adding 4 ) 3 , 0 , - 3 , . . . ( subtracting 3 ) hence , next term is - 3 - 3 = - 6 answer is a" | mathqa |
Ram Prasad is admitted to Guru Teg Bahadur Hospital with respiratory infection for which antibiotic tobramycin is ordered. The clearance and vd of tobramycin in him are 160ml/min and 40L ,respectively.if you wish to give Ram Prasad and intravenous loading dose to achieve the therapeutic plasma concentration of 4mg/L ra... | [
"0.1mg",
"10mg",
"115.2mg",
"160mg"
] | D | Ref-Katzung 10/e p45 Loading dise= Vd xtarget Plasma concentration =40Lx4mg/L =160mg clearance plays no role in the determination of loading dose. it is given to confuse you | medmcqa |
a committee is reviewing a total of 20 x black - and - white films and 4 y color films for a festival . if the committee selects y / x % of the black - and - white films and all of the color films , what fraction of the selected films are in color ? | [
"26 / 21",
"28 / 21",
"20 / 21",
"40 / 21"
] | C | "say x = y = 10 . in this case we would have : 20 x = 200 black - and - white films ; 4 y = 40 color films . y / x % = 10 / 10 % = 1 % of the black - and - white films , so 2 black - and - white films and all 40 color films , thus total of 42 films were selected . color films thus compose 40 / 42 = 20 / 21 of the selec... | mathqa |
All of the following drugs have activity against hepatitis B virus EXCEPT: | [
"Lamivudine",
"Zidovudine",
"Emtricitabine",
"Telbivudine"
] | B | Lamivudine (3TC) :This deoxycytidine analogue IS phosphorylated intracellularly and inhibits HIV reverse transcriptase as well as hepatitis B virus (HBV) DNA polymerase. Zidovudine: It is a thymidine analogue (azidothymidine, AZT), the prototype NI. After phosphorylation in the host cell-zidovudine triphosphate selecti... | medmcqa |
A baby has recently developed mouthing but has not developed stranger anxiety. Likes and dislikes for food. What is the most appropriate age of this baby – | [
"3 months",
"5 months",
"7 months",
"9 months"
] | B | Mouthing develops by 4 months, while stranger anxiety develops by 7 months.
So, the age of this child is between 4 to 7 months.
Amongst the given options best answer is 5 months. | medmcqa |
All of the following are rare but life-threatening adverse effects of thioamide group of anti-thyroid drugs except: | [
"Agranulocytosis",
"Aplasia anemia",
"Liver toxicity",
"Lung fibrosis"
] | D | Ans. (D) Lung fibrosis(Ref: KDT 8th/275-276)Thioamides include drugs like methimazole, carbimazole and propylthiouracil.Agranulocytosis and aplastic anemia is serious side effect of all of these drugs but it is seen rarely.Propylthiouracil is associated with hepatotoxicity.All the 3 drugs are teratogenic. Least teratog... | medmcqa |
A 70- year-old smokers presents with a 3-month h/o dysphagia and weight loss. Flexible nasoendoscopy shows pooling of saliva in the pyriform fossae, with restricted mobility of the right hemi-larynx. Malignancy is suspected. At surgery, you find that he has a 3 cm tumour affecting the right pyriform fossa and extending... | [
"T1",
"T2",
"T4a",
"T3"
] | B | TNM STAGING OF HYPOPHARYNX CARCINOMA T Stage Description T1 Limited to 1 subsite of the hypopharynx and <=2 cm in greatest dimension T2 Tumour invades more than 1 subsite of the hypopharynx or an adjacent site, or measures >2 cm but <=4 cm in greatest without fixation of hemi larynx T3 Tumour measures >4 cm in greatest... | medmcqa |
A 30 year old lady is to undergo surgery under intravenous regional anesthesia for her left 'trigger finger'. Which one of the following should not be used for patient ? | [
"Lignocaine",
"Bupivacaine",
"Prilocaine",
"Lignocaine + ketorolac"
] | B | Bupivacaine is contraindicated for intravenous regional anesthesia (Bier's block). | medmcqa |
Which of the following groups of contrast agents may be safely injected intrathecally? | [
"Water-soluble ionic monomers",
"Water-soluble non-ionic monomers",
"Water-soluble ionic dimers",
"Oil based iodinated contrasts"
] | B | Most of the water soluble iodinated contrast media of the non ionic low osmolar class is safe to use intrathecally | medmcqa |
Intracavitary electrocardiography is a diagnostic aid in- | [
"Tricuspid regurgitation",
"Endocardial fibroelastosis",
"Endomyocardial fibrosis",
"Ebstein's anomaly of the tricuspid valve"
] | D | Ans. is 'd' i.e., Ebstein's anomaly of tricuspid valve Four chambered view in two dimension echocardiogram is diagnostic as it outlines the displaced tricuspid valve. | medmcqa |
One primary oocyte forms how many ovum/ova | [
"1",
"2",
"3",
"4"
] | A | Observe that whereas one primary spermatocyte gives rise to four spermatozoa, one primary oocyte forms only one ovumHuman embryology Inderbir Singh&;s Tenth edition Pg 23 | medmcqa |
Which of the following agent causes muscle rigidity | [
"Fentanyl",
"Halothane",
"Ketamine",
"Droperidol"
] | A | Opioids can increase muscle tone and may cause muscle rigidity. The incidence of rigidity noted with opioid anesthetic techniques varies significantly because of differences in dose and speed of opioid administration, the concomitant use of N2O, the presence or absence of muscle relaxants, and the patient's age. Opioid... | medmcqa |
for integers x , y , and z , if ( 3 ^ x ) ( 4 ^ y ) ( 5 ^ z ) = 13107 , 200000 and x + y + z = 16 , what is the value of xy / z ? | [
"undefined",
"0",
"3",
"5"
] | B | the number 13,107 , 200,000 is not divisible by 3 . ( we can verify this by adding the digits of the number to see that the sum is not a multiple of 3 . ) thus x = 0 and xy / z = 0 . the answer is b . | mathqa |
if ( 3 / 2 ) x - 3 = 15 what is the value of x ? | [
"- 12",
"12",
"- 1 / 12",
"1 / 12"
] | B | ( 3 / 2 ) x - 3 = 15 = > 3 x - 6 = 30 = > 3 x = 36 = > x = 12 answer : b | mathqa |
All of the following are predictable adverse effects of tricyclic antidepressants, EXCEPT: | [
"Decrease in seizure threshold",
"Weight gain",
"Insomnia",
"Dry mouth"
] | C | Tricyclic antidepressants produce sedation rather than arousal. Use of tricyclics can be therapeutic for insomnias associated with depression. Other effects include antimuscarinic effects (dry mouth, blurred vision, tachycardia, urinary retention), a-adrenergic effects (ohostatic hypotension), weight gain, and a decrea... | medmcqa |
A known case of pulmonary TB presented to emergency room with difficulty in breathing. Chest x ray was carried out with following finding. Which of the following structures is not pierced in order to do a diagnostic tap from the marked structure? | [
"Serratus anterior",
"External intercostal muscle",
"Visceral pleura",
"Endothoracic fascia"
] | C | Chest x ray revealed pleural effusion in left lung field in background of reticulonodular shadows s/o PTB. Layers pierced in plueral tap. Skin Superficial fascia Serratus anterior 3 intercostal muscles Endothoracic fascia Parietal pleura. | medmcqa |
Waters view is best used for visualization of: | [
"Frontal sinus",
"Maxillary sinus",
"Ethmoid sinus",
"Sphenoid sinus"
] | B | Ref. Textbook of Ear, Nose and Throat Diseases Pg 155
Law’s view (15º lateral oblique): Sagittal plane of the skull is parallel to the film and X-ray beam is projected 15 degrees cephalocaudal
Water view – Best to visualize maxillary sinus
The Caldwell view is a caudally angled PA radiograph of the skull, designed t... | medmcqa |
Most common type of carcinoma of lung is | [
"Small cell carcinoma",
"Adenocarcinoma",
"Squamous cell carcinoma",
"Large cell carcinoma"
] | B | Lung tumors
In children
Most common lung tumor is metastasis.
Most common benign tumor of the pediatric lung (including both infants and children) is inflammatory myofibroblastic tumor.
Most common benign lung tumor in infants are pleuropulmonary blastoma.
Most common primary malignant tumor of the pediatric lung is ... | medmcqa |
how many seconds will a train 130 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph ? | [
"28 sec",
"23 sec",
"24 sec",
"25 sec"
] | A | "d = 130 + 150 = 280 s = 36 * 5 / 18 = 10 mps t = 280 / 10 = 28 sec a" | mathqa |
All are true about halothane except - | [
"Tachycardia",
"Hepatitis",
"Bronchodilatation",
"Uterine relaxation"
] | A | Ans. is 'a' i.e., Tachycardia o Halothane causes bradycardia.Halothaneo It is a volatile liquid with sweet odour, nonirritating and noninflammable.o It is a potent anaesthetic with poor analgesic and muscle relaxant properties,o Halothane causes direct depression of myocardial contractility by reducing intracellular Ca... | medmcqa |
True regarding presentation of primary T.B. is : | [
"B/L pleural effusion with negative Tuberculin test.",
"U/L hilar lymphadenopathy",
"Sustained chronic pyrexia",
"B/L pelural effusion with positive tuberculin test."
] | B | Ans is 'b' ie Unilateral hilar lymphadenopathy Pleural effusion occurs in T.B. as a result of penetration of a few tubercle bacilli into the pleural space from an adjacent subpleural focus. Therefore pleural effusion is usually unilateral because the lesion in T.B. is also unilateral (so the tubercle bacilli will reach... | medmcqa |
Which of the following factors is not an impoant risk factor for tubal ectopic? | [
"A history of tubal surgery",
"Intrauterine device (IUD) use",
"In utero diethylstilbestrol (DES) exposure",
"History of pelvic inflammatory disease"
] | B | Ectopic pregnancy results from various factors that interrupt the successful migration of the conceptus to the endometrium. The most impoant risk factors for ectopic pregnancy are history of tubal surgery, including tubal ligation, for prior ectopic pregnancy, infeility history of prior ectopic: increases risk 5 folds ... | medmcqa |
Amyloid is | [
"Mucopolysaccharide",
"Lipoprotein",
"Glycoproteins",
"Intermediate filament"
] | C | Ref Robbins 9/e p256 Amyloidosis is a condition associated with a number of inherited and inflammatory disorders in which extracel- lular deposits of fibrillar proteins are responsible for tissue damage and functional compromise. These abnormal fibrils are produced by the aggregation of misfolded pro- teins (which are ... | medmcqa |
Ghon complex of the lung usually | [
"Undergoes cavitation",
"Undergoes calcification",
"Progresses to tuberculous pneumonia",
"Progresses to military tuberculosis"
] | B | null | medmcqa |
Genotoxic waste contains: | [
"Genetic material",
"Cytotoxic drugs",
"General waste material",
"None of the above"
] | B | Genotoxic waste is derived from drugs generally used in oncology or radiotherapy units that have a high hazardous mutagenic or cytotoxic effect. Faeces, vomit or urine from patients treated with cytotoxic drugs or chemicals should be considered as genotoxic. Ref: Park 21st edition, page 730. Chapter: Hospital waste man... | medmcqa |
The best example of a proto-oncogene activated by point mutation is - | [
"Ras",
"N-myc",
"L-myc",
"Abl"
] | A | null | medmcqa |
Real time PCR is used for - | [
"Multiplication of RNA",
"Multiplication of Proteins",
"Multiplication of specific segments of DNA",
"For quantitative dectection of PCR material"
] | D | Ans. is 'd' i.e., For quantitative dectection of PCR materialVarious types of PCR1) Multiplex PCR:# To find out the deletion mutation in a patient DNA.# In this type of PCR, multiple pairs of oligonucleotide primer are synthesized to amplify the entire gene or selected region of the gene.# After this, agrose gel electr... | medmcqa |
What is indicated by the arrow in the contrast X-ray abdomen? | [
"Gastric ulcer",
"GIST",
"Carcinoma stomach",
"Gastric polyp"
] | A | A large, benign-appearing gastric ulcer protrudes medially from the lesser curvature of the stomach.Features suggesting benign gastric ulceroutpouching of ulcer crater beyond the gastric contoursmooth rounded and deep ulcer cratersmooth ulcer mound malignant gastric ulcerdoes not protrude beyond the gastric contour irr... | medmcqa |
Which of the follow ing drug need not be stopped before surgery - | [
"High Dose Aspirin",
"Warfarin",
"Metformin",
"Digitalis"
] | D | Ans. is 'd' i.e., Digitalis PRE-OPERATIVE MODIFICATION OF PRE-EXISTING DRUGS Drug to be stopped Drug which can continue till the day of surgery o High dose Aspirin -1 week before surgery' o Anti anginal (except aspirin) o Oral anticoagulant - 4 days before and switch over to heparin which is stopped 12 hours prior to s... | medmcqa |
A 23-year old young boy with schizophrenia is well maintained on risperidone for the last 2 months. He has no family historv of the disease. For how long medication should be continued in this patient? | [
"5 years",
"6 months",
"2 years",
"12 months"
] | C | Ans. c. 2 years (Ref: Niraj Ahuja 7/e p67)Multiple randomized trials have found that maintenance of antipsychotic medication reduces the risk of relapse over a period of up to two years."A meta-analysis of 6493 patients with schizophrenia in 65 randomized trials of 7 to 12 months duration found that patients who contin... | medmcqa |
A patient presents with gastrointestinal problems including abdominal pain, distension, bloody or mucus-filled diarrhea, and tenesmus, with rectal prolapse. A stool examination reveals the presence of typical barrel-shaped eggs, the possible causative agent is? | [
"Trichuris trichura",
"Giardia lamblia",
"Ancylostoma duodenale",
"Ascaris lumbricoides"
] | A | The given clinical picture and the barrel-shaped eggs are suggestive of infection with Trichuris trichiura(Whipworm). The characteristic features of whipworm eggs are: Eggs are barrel-shaped in the middle with a projecting mucus plug at each pole containing an unsegmented ovum. The plugs are colorless. They float in th... | medmcqa |
Which of the following is the most common non-alcoholic cause of acute pancreatitis | [
"Thiazides",
"Hypercalcaemia",
"Gall stones",
"Hyperlipidaemia"
] | C | Gallstones are hardened deposits of digestive fluid. Gallstones can vary in size and number and may or may not cause symptoms. People who experience symptoms usually require gallbladder removal surgery. Gallstones that don't cause symptoms usually don't need treatment Ref : Oxford textbooks of surgery 2nd/e p. 1766 | medmcqa |
External Cephalic Version (ECV) is contraindicated in all of the following , EXCEPT? | [
"Twins",
"Flexed breech",
"Premature Rupture of membranes",
"Previous abruption"
] | B | ECV -Absolute contraindications : Placenta pre Multifetal gestation Severe contracted pelvis - Relative contraindications Early labor oligohydramnios or rupture of membranes structural uterine abnormalities fetal growth restriction prior abruption | medmcqa |
Most common symptom of Henoch Schnolein purpura Is ? | [
"Intussception",
"Purpura",
"Edema",
"Vomiting"
] | B | HSP is a small vessel vasculitis caused by immune complex deposition following an infectious trigger. The usual presentation is with purpura over the buttocks & lower legs,accompanied by abdominal pain,gastrointestinal bleeding, & aharlgia. Reference:Davidson's principles & practice of medicine 22nd edition pg no 1119 | medmcqa |
A 10-year-old male child complaints of pain in left hypochondrium for 2 days. Hb-9.69%. His mother gives a history of passing black colored stools 7 days and 2-3 occasions for 2 yrs. During these episodes, he had fatiguability while playing and was not able to play with his peers. Which of the following will maximally ... | [
"Pallor",
"Jaundice",
"Palpable spleen",
"Free fluid in the abdomen"
] | C | null | medmcqa |
The prognosis of rapidly proliferating glomerulonephritis (Crecentric GN) depands upon - | [
"Number of crescents",
"Size of crescents",
"shape of crescents",
"Cellularity of crescents"
] | A | Rapidly progressive glomerulonephritis (RPGN) is characterised by number of crescentsby rapid loss of renal function over days to weeks, usually in association with hypeension and oedema. Non-visible haematuria is almost always present with variable amounts of proteinuria, while characteristic red cell casts and dysmor... | medmcqa |
Silk Road disease is: | [
"Behcet's syndrome",
"Giant cell aeritis",
"Henoch-Schonlein purpura",
"Wegener's granulomatosis"
] | A | Behcet disease: high prevalence in countries along the Silk Road, extending from Japan to the eastern Mediterranean characterized by recurrent oral ulcerations, uveitis & skin abnormalities | medmcqa |
In first stage of demographic cycle: | [
"Bih rate=death rate",
"Bih rate",
"Bih rate>death rate",
"None of the above"
] | A | First stage (High stationary): This stage is characterised by high bih and death rate which cancel out each other and the population remains stationary. Ref: Park, 22nd edition pg: 441 | medmcqa |
Malonyl acetyl transferase has activity of how many enzymes? | [
"1",
"2",
"3",
"4"
] | B | Malonyl acetyl transferase (MAT) is a pa of multienzyme complex : Fatty acid synthase.It has two activities:?Acetyl transferase or acetyl transacylase (E1)Malonyl transferase or malonyl transacylase (E2) | medmcqa |
Complicated cataract occurs at? | [
"Posterior capsule",
"Anterior capsule",
"Posterior cortex",
"Anterior cortex"
] | C | Ans. (c) Posterior cortexRef: Parson's 22/e, p. 268; American Academy of Ophthalmology p. 54Cataract secondary to intraocular diseases (Inflammatory and degenerative) is called complicated cataract.They occur due to posterior cortical atrophy. | medmcqa |
a textile manufacturing firm employees 125 looms . it makes fabrics for a branded company . the aggregate sales value of the output of the 125 looms is rs 5 , 00,000 and the monthly manufacturing expenses is rs 1 , 50,000 . assume that each loom contributes equally to the sales and manufacturing expenses are evenly spr... | [
"13000",
"7000",
"10000",
"2800"
] | D | "explanation : profit = 5 , 00,000 â ˆ ’ ( 1 , 50,000 + 75,000 ) = rs . 2 , 75,000 . since , such loom contributes equally to sales and manufacturing expenses . but the monthly charges are fixed at rs 75,000 . if one loan breaks down sales and expenses will decrease . new profit : - = > 500000 ã — ( 124 / 125 ) â ˆ ’ 1... | mathqa |
Which one of the following drugs does not produce central anticholinergic syndrome? | [
"Atropine sulphate",
"Glycopyrrolate",
"Antihistamines",
"Tricyclic antidepressants"
] | B | null | medmcqa |
White leg is due to - | [
"Femoral vein thrombosis and lymphatic obstruction",
"Deep femoral vein thrombosis",
"Lymphatic obstruction only",
"None of the above"
] | B | Ans. is 'b' i.e., Deep femoral vein thrombosis | medmcqa |
Useful screening test for lead is measurement of | [
"Amino-laevulinic acid in urine",
"Coproprophyrin in urine",
"Lead in blood",
"Lead in urine"
] | B | Diagnosis of lead poisoning: | medmcqa |
Hypoglossal nerve supplies to all the following
muscles EXCEPT: | [
"Palatoglossus",
"Genioglossus",
"Hyoglossus",
"Styloglossus"
] | A | null | medmcqa |
Sulphur granules are seen in - | [
"Sulphur poisoning",
"Actinomycosis",
"H2SO4 poisoning",
"Staphylococcal infection"
] | B | Ans. is 'b' i.e., Actinomycosis Laboratory diagnosis of actinomycosis* The diagnosis is most commonly made by microscopic identification of sulphur granules (an in-vivo matrix of bacteria calcium phosphate, and host material).* The sulfur granules are bacterial colonies and will be found to consist of a dense network o... | medmcqa |
Most impoant for diapedesis ? | [
"PECAM",
"Selectin",
"Integrin",
"Mucin like glycoprotein"
] | A | Ans. is 'a' i.e., PECAMo Platelet endothelial cell adhesion molecule (PECAM or CD-31) is present on both endothelium and leukocytes. o It is the major adhesive molecule for diapedisis. | medmcqa |
A Female patient comes for treatment of discoloured maxillary canine tooth. On examination there is yellowish discoloration of tooth which is not tender on palpation or percussion test. Radiograph reveals obliteration of root canal. History of trauma is elicited on questioning.
What is the condition? | [
"Fibrous degeneration of pulp",
"Calcific metamorphosis",
"Pulp calcification",
"Dental fluorosis"
] | B | null | medmcqa |
Which of the following is least mineralized? | [
"Cementoid",
"Incremental line",
"Cellular cementum",
"Acellular cementum"
] | A | null | medmcqa |
pancreatitis is a side effect of | [
"valproate",
"clonazepam",
"clozapine",
"amisulpride"
] | A | LETHAL SIDE EFFECTS OF VALPROATE - Hyperammonemia - Pancreatitis - Hepatic failure - Neural tube defects - Thrombocytopenia MINOR SIDE EFFECTS OF VALPROATE - Hair loss - PCOD - WEIGHT GAIN - TREMORS Ref.Kaplon and Sadock, synopsis of psychiatry, 11 th editiojn, pg no.935 | medmcqa |
In carboxylation of clotting factors by Vitamin K, which amino acid is carboxylated: | [
"Glutamate",
"Aspaate",
"Histamine",
"Histidine"
] | A | Glutamate | medmcqa |
Which causes antral gastrin release? | [
"Antral distension",
"Acid",
"Secretin",
"Calcitonin"
] | A | Gastrin is produced by cells called G cells in the antral poion of the gastric mucosa.G cells are flask-shaped, with a broad base containing many gastrin granules and a narrow apex that reaches the mucosal surface. Microvilli project from the apical end into the lumen. Receptors mediating gastrin responses to changes i... | medmcqa |
An infant is brought to casualty with repos of violent shaking by parents. Most characteristic injury is: AI 11 | [
"Long bone fracture",
"Ruptured spleen",
"Subdural hematoma",
"Skull bone fracture"
] | C | Ans. Subdural hematoma | medmcqa |
Most specific cardiac anamoly seen in baby born to Diabetic Mother | [
"Tetralogy of Fallot",
"Ventricular septal defect",
"Transposition of Great arteries",
"Heart blocks"
] | C | Most specific cardiac anamoly seen in baby born to Diabetic Mother is Transposition of Great arteries.
Most common cardiac anamoly seen in baby born to Diabetic Mother is Ventricular septal defect. | medmcqa |
The role of human placental lactogen is : | [
"Stimulate milk production",
"Fetal breast development",
"Growth of fetus",
"Endocrine regulation"
] | C | Functions : a) Provide fetal nutrition by antagonizing the action of insulin in maternal circulation, breakdown of fats and proteins and transpo of fatty acids and amino acids from maternal to feta circulation. b) Potent angiogenic, helps develop fetal vasculature. c) Promotes growth of breast for lactation. REF : OP-G... | medmcqa |
Least chances of pregnancy is with - | [
"OCP",
"IUCD",
"Coitus interruptus",
"Condom"
] | A | park's textbook of preventive and social medicine 23rd edition. *Oral contraceptive of combined type are almost 100 effective in preventing pregnancy.some women do not take it regularly so the actual rate is lower.mechanis of action:prevent the release of ovum from ovary.this is achieved by blocking pituitary secretion... | medmcqa |
True about malaria diagnosis: | [
"Thick smear to identify parasite",
"ABER reveals positivity by 100",
"All have same incubation",
"Fluorescein Ab becomes positive within 1 week"
] | A | Ans. (a) Thick smear to identify parasite Thick film is more sensitive as it concentrates 20-30 layer of blood cells in small area Number of slides examined Annual blood examination rate, ABER -__________________________ x 100 population Incubation period of different malaria is different. | medmcqa |
Lymes disease all are true except - | [
"Borellia burgdorferi replicates locally and invades locally",
"Infection progresses inspite of good humoral immunity",
"Polymorphonuclear lymphocytosis in CSF suggest meningial involvement",
"IgA intrathecally confirms meningitis"
] | C | null | medmcqa |
Transrectal ultrasonography in carcinoma prostate is most useful for – | [
"Guided prostatic biopsies",
"Seminal vesicle involvement",
"Measurement of prostatic volume",
"To detect hypoechoic area"
] | A | The major role of transrectal USG is to guide prostatic biopsies. | medmcqa |
Contraindications to major hepatic resection for metastatic disease include all of the following except? | [
"Total hepatic involvement",
"Advanced cirrhosis",
"Extrahepatic tumor involvement",
"Jaundice from extrinsic ductal obstruction"
] | D | Ans. is 'd' i.e., Jaundice from extrinsic ductal obstruction | medmcqa |
Which of the following methods is commonly employed in delivery of aftercoming head in breech presentation ? | [
"Burn-Marshall method",
"Forceps delivery",
"Mauriceau Smellie-veit method",
"Pinard's manoeuvre"
] | A | Burn-Marshall method | medmcqa |
Poisoning which can be detected even after death in burnt body is: | [
"Lead",
"Arsenic",
"Mercury",
"Dhatura"
] | B | Ans. (B). Arsenic(Ref: Parikh 6th/e p. 9.9-9.11; Reddy 30th/e p. 493-494; Essentials of forensic medicine-812)Bone, hair and nails are preserved in Heavy metals poisonings like arsenic, antimony, and thallium.Distribution of Arsenic in the body:Arsenic is present in almost all tissues, and found in the greatest quantit... | medmcqa |
Meckel' diverticulum is patent of: | [
"Vitello intestinal duct",
"Urachus",
"Organic diaphragm",
"None"
] | A | (Vitello-intestinal duct) (1159-Baily & Love 25th)Meckel's Diverticum - It represents the patent intestinal end of the vitello-intestinal duct.* Occurs in 2% of patients are usually 2 inches (5cm/ in length and are situated 2 feet (60 cm) fromileocaecal valve.* It should be sought when a normal appendix is found at sur... | medmcqa |
Phantom limb is an example of disorder of | [
"Thought",
"Perception",
"Cognition",
"None of the above"
] | B | The phantom limb is the most common organic somatic hallucination of psychiatric origin. it is defined as false sensation in an extremity that has been lost is perceived as present In this case the patient feels that they have a limb from which in fact they are not receiving any sensations either because it has been am... | medmcqa |
Gillette&;s space is | [
"Retropharyngeal space",
"Peritonsillar space",
"Parapharygeal space",
"Prelaryngeal space"
] | A | Retropharyngeal space is also called Space of Gillette.Also called danger space of neck as it extends from skull base to superior mediastinum and infections can lead to mediastinitis.Contains Glands of Henle and Rouviere`s nodes.Ref: Hazarika; 3rd ed; Pg 492 | medmcqa |
Soap Buble appearance on X ray is seen in which of the following bone tumor | [
"Osteogenic sarcoma",
"Giant cell tumor",
"Multiple myeloma",
"Chondroblastoma"
] | B | Soap bubble appaerance is Characeteristic of giant cell tumor (osteoclastoma) | medmcqa |
Which nucleus is not found in the floor of the fouh ventricle | [
"Abducens N",
"Dorsal vagal nuclei",
"Dorsal vagal nuclei",
"None"
] | D | D i.e., None | medmcqa |
Maximum Infant Moality Rate is seen in | [
"Tamilnadu",
"Orissa",
"Maharashtra",
"Kerala"
] | B | State (2014)IMR / 1000Tamil Nadu20Orissa/Odisha49Maharashtra22Kerala12Madhya Pradesh52(Refer: K. Park's Textbook of Preventive and Social medicine, 24thedition, pg no:604) | medmcqa |
Not easily culturable but well ble and used in epidemiology are: | [
"Stapp",
"Mycobacterium TB",
"E. coli",
"Salmonella"
] | B | Ans. (b) Mycobacterium TB S. aureus: grow rapidly on ordinary media within a temperature range of 10-42degC. E. coli: good growth occurs on ordinary media. Salmonella: grow readily on simple media over range pH 6-8 and temperature 15-41degC. M.TB: grow slowly, colonies appear in 2-8 weeks. Culture remain ble at room te... | medmcqa |
Liddle syndrome is characterized by | [
"Hypokalemic metabolic alkalosis with hypotension",
"Hypokalemic metabolic alkalosis with hypertension",
"Hyperkalemic metabolic acidosis with hypotension",
"Hyperkalemic metabolic acidosis with hypertension"
] | B | Liddle syndrome is an autosomal dominant disorder with genetic defect(gain of function mutation) in collecting tubules sodium channel, resulting in increased tubular sodium reabsorption. | medmcqa |
The cell with increased mitotic rate and resembling the undifferentiated mesenchymal cells of the same origin is: | [
"Anaplastic",
"Dysplastic",
"Metaplastic",
"Hyperplastic"
] | A | null | medmcqa |
All cause nephrotic syndrome except - | [
"Minimal lesion glomerulonephritis",
"Membranous glomerulonephritis",
"Post streptococcal glomerulonephritis",
"Focal glomerulosclerosis"
] | C | null | medmcqa |
A 48 year old woman has developed chronic renal failure, and a renal scan showed bilaterally enlarged kidneys with multiple cysts. She had a sudden onset severe headache. A cerebral angiogram demonstrated marked narrowing of cerebral aery branches near the base of the brain, consistent with vasospasm, but no intraparen... | [
"Bacterial meningitis",
"Severe atherosclerosis",
"Malignant hypeension",
"Subarachnoid hemorrhage"
] | D | The blood irritates the aeries. This effect is often delayed by several days following the initial hemorrhagic event. Berry aneurysms are located in the circle of Willis at the base of the brain, and rupture leads to extravasation of blood into the subarachnoid space. Her renal scan suggests a diagnosis of dominant pol... | medmcqa |
The tourniquet test is positive if the petechiae are more than: | [
"50 petechiae per square inch",
"40 petechiae per square inch",
"30 petechiae per square inch",
"20 petechiae per square inch"
] | D | Ans. D: 20 petechiae per square inch Dengue fever and dengue hemorrhagic fever (DHF) are acute febrile diseases and caused by four closely related virus serotypes of the genus Flavivirus, family Flaviviridae. Dengue is transmitted to humans by the Aedes aegypti (rarely Aedes albopictus) mosquito, which feeds during the... | medmcqa |
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