query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Tonsils are absent in: | Tonsils are absent in X linked agammaglobulinemia | 157,100 | medmcqa_train |
Movement and eventual equilibrium of Na+, K+and Cl- across the muscle membrane would develop a potential of: | The question is for skeletal muscle; RMP = - 90 mV. When Na+, K+and Cl- are considered to diffuse together and reach equilibrium, the membrane potential at which all of them reach equilibrium can be calculated by Goldman's constant field equation. The equation takes into account the concentration gradients of the respe... | 157,101 | medmcqa_train |
Ideal treatment of rhinosporidiosis is | Rhinosporodiosis * Rhinosporodiosis is a Fungal Granuloma. * Agent : Rhinosporidium seeberi. * Source : Contaminated water of ponds. Clinical features:- * Leafy polypoidal mass, pink to purple in color studded with while dots (Strawberry appearance). * It is highly vascular and bleeds on touch. * Patients complain of b... | 157,102 | medmcqa_train |
Which of these is the most impoant prognostic factor in ALL? | Responds to steroids is the most consistent marker in the patients of ALL. (ref Robbins 9th/590-593) | 157,103 | medmcqa_train |
True regarding Kaposi's sarcoma? | Ans. d (All are true) (Ref. Harrison 18th/ p 695)KAPOSI'S SARCOMA# Human herpes virus type 8 is believed to be the cause of most cases of Kaposi's sarcoma.# There are at least four distinct epidemiologic forms of KS:- The classic form that occurs in older men of predominantly Mediterranean or eastern European Jewish ba... | 157,104 | medmcqa_train |
Which of the following formula indicates 'Chargaff's rule'? | Always the two strands of DNA are complementary to each other. So, the adenine of one strand will pair with thymine of the opposite strand, while guanine will pair with cytosine. The base pairing (A with T; G with C) is called Chargaff's rule, which states that the number of purins is equal to the number of pyrimidines... | 157,105 | medmcqa_train |
Hunter's syndrome is due to deficiency of: | a. Iduronate sulfatase(Ref: Nelson's 20/e p 708-712, Ghai 8/e p 659-664)TypeNameEnzyme deficientClinical featuresIIHunter's syndromeIduronate sulfate sulfataseQCoarse face + Corneal Clouding + Dysostosis multiplex + Intellectual disability + Hepatosplenomegaly | 157,106 | medmcqa_train |
The screening investigation of high risk neonates in ICU for suspected hearing loss is: | The screening investigation of choice of high-risk neonates in ICU for suspected hearing loss is otoacoustic emissions. | 157,107 | medmcqa_train |
In a patient of orbital cellulitis, microorganism on culture show greenish colonies and optochin sensitivity. The most likely organism is: | Ans. is 'd' i.e., PneumococcusGram-positive cocci which form a-hemolytic colonies (Greenish colonies) and is optochin sensitive is pneumococcus.The characteristic features of pneumococcus are: (BIO) (Memory Aid)(a) Bile solubility.(b) Optochin sensitivity.(c) Inulin fermentation.(d) Shows quellung reaction (capsular de... | 157,108 | medmcqa_train |
True of consonguineous marriges and genetic abnormalities are all except? | Ans. is 'a' i.e., Increased risk of traits controlled by dominant genesConsanguineous marriages: When blood relatives marry each other there is an increased risk in the offspring of traits controlled by recessive genes, and those determined by polygenes. | 157,109 | medmcqa_train |
Pulse pressure is: | Answer is C (Systolic -- Diastolic B.P) Pulse pressure is the difference between the systolic pressure and the diastolic pressure. | 157,110 | medmcqa_train |
Ideal management of 37 weeks uncomplicated breech pregnancy is: March 2010 | Ans. C: External cephalic version and trial of vaginal delivery Indications for Elective caesarean section in breech presentation: Estimated fetal weight more than 3.5 kg Hyperextended head Footling presentation Associated complications Pelvic inadequacy | 157,111 | medmcqa_train |
All are features of Trachoma stage III, EXCEPT | B i.e. Pannus Stage III of trachoma is cicatristing or scarring stage -, so Herbe pits (are healed scars of Herbe follicles), scar on tarsal conjunctiva & necrosis in scar are all the features of stage III where as herbe follicles (Ha), papillary hyperplasia (Ilb), Pannus are found in stage II | 157,112 | medmcqa_train |
Blastomycosis is characterized by all except | Blastomycosis - infection is largely confined to the Noh America, it is also known as Noh American blastomycosis. Infection is acquired by inhalation so mainly affects lungs. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition | 157,113 | medmcqa_train |
Which of the following conditions is characterized by episodes of excessive and uncontrolled eating: | B ref: Ahuja, 4th/e p. 136-137 and 5th/ep. 151 | 157,114 | medmcqa_train |
Which of the following drug is contraindicated in a patient with raised intracranial pressure? | ketamine increases all the pressures - blood pressure intracranial pressure intragastric pressure intraocular pressure In patients with increased ICP who are breathing spontaneously, ketamine should be used with caution because it can increase ICP and has been repoed to cause apnea. It is contraindicated. Ref: Miller's... | 157,115 | medmcqa_train |
Selection bias occurs mainly in | It's usually unwise to choose a control group of patients with one disease. This is because hospital controls are often a source of 'selection bias'. Many hospitals may have diseases that are also influenced by factors under study. In selection bias, cases and controls may not be representative of actual cases and cont... | 157,116 | medmcqa_train |
Most common site for medulloblastoma is: | Medulloblastoma usually arise in the midline of the cerebellum (the vermis) in children. In adults, where the incidence is much less than in children, they are more apt to arise in the cerebellar hemispheres in a lateral position. Mostly supratentorial CNS tumors occurs in adults. Infra tentorial tumors occur in childh... | 157,117 | medmcqa_train |
Bird's beak appearance is seen in: | Sigmoid volvulus often can be differentiated from cecal or transverse colon volvulus by the appearance of plain x-rays of the abdomen. Sigmoid volvulus produces a characteristic bent inner tube or coffee bean appearance, with the convexity of the loop lying in the right upper quadrant (opposite the site of obstruction)... | 157,118 | medmcqa_train |
Which of the following drugs is NOT excreted in bile: | (Ref: KDT 6/e p674) Gentamicin is an aminoglycoside and is excreted renal route. | 157,119 | medmcqa_train |
In sickle cell disease, which of the following does not influence the degree of sickling of red cells? | Intake of primaquine acts as a trigger for hemolysis in G6PD deficiency, and not related to sickle cell disease/sickling. Sickle cell disease Caused by a point mutation in which there is replacement of glutamic acid by valine at position 6 of the beta chain generating a sticky patch on the surface of HbS. The sticky pa... | 157,120 | medmcqa_train |
Deformity in posterior elbow dislocation | Refer Clinical ohopedic p 786 In posterior elbow dislocation, elbow is flexed with exaggerated prominence of the olecranon | 157,121 | medmcqa_train |
26 year old female presents to OPD with small, round bluish nodule on her index nail bed which is painful and the pain fuher increases on exposure to cold. On examination it demonstrated increased pin-prick sensitivity. What could be most probable diagnosis? | Glomus tumors Benign, vascular neoplasms arising from the glomus body. Occur in the upper extremities, most frequently subungual areas. Present as a small, round, bluish nodule visible through the nail plate with a classic triad of symptoms: Hypersensitivity to cold Heightened pinprick sensitivity Paroxysmal pain Diagn... | 157,122 | medmcqa_train |
The following ADR is seen with withdrawal of | The picture shows piloerection which occurs due to sympathetic stimulation which is typically seen with opioid withdrawalRef: Goodman Gillman 12th ed pg 660 | 157,123 | medmcqa_train |
Best way to prevent infection after cataract surgery is - | The most impoant source of potentil infectious organisms is the patient's own natural conjunctival and skin flora. So, prophylactic antibiotic should adequately cover these organisms. The pre- operative topical antibiotic should be staed 3 days prior to sugery. Preferred antibiotics are fouh generaion fluoroquinolones ... | 157,124 | medmcqa_train |
A man is using nasal drops continuously for long period of time. What can be the possible adverse effect from its use? | Continuous use of nasal decongestants for a long period of time result in severe mucosal edema, hyperemia, and nasal obstruction. On physical examination, the nasal mucosa will be thickened, erythematous, and edematous and will lack appreciable decongestion on topical decongestant application. Treatment of this conditi... | 157,125 | medmcqa_train |
A patient presents with hyperacusis, loss of lacrimation and loss of taste sensation in the anterior 2/3rd of the tongue. Oedema extends up to which level of facial nerve - | The patient is presenting with : -
Hyperacusis: - Nerve to stapedius is involved.
Loss of taste sensation in anterior 2/3 of tongue → Chorda tympani is involved.
Loss of lacrimation → Greater superficial petrosal nerve is involved.
Thus, the lesion is at or proximal to geniculate ganglion. | 157,126 | medmcqa_train |
Russell body is found in: | Ans. D. Plasma cellsInclusion body:a. Russell body (intracytoplasmic) found in plasma cellb. Dutcher body (nuclear)c. Inclusion of fibril crystalline Rods | 157,127 | medmcqa_train |
Hasse's rule is for - | Ans. is 'a' i.e., Fetal ageo Hess's rule (Haase's rule): It is a rough method for calculating the age of fetus by measuring the length from crown to heel. Upto 5th month of gestation, length of foetus in cm is square of the month of gestation and beyound 5 months, length in cm is 5 times the month of gestation. | 157,128 | medmcqa_train |
Which of the following statements regarding the flow of lymph from lower limb is true: | The flow of lymph from lower limb is increased by massage of foot. Ref: Guyton and Hall - Textbook of Medical Physiology, 10th Edition, Page 173 and 11th Edition, Page 192; Ganong's Review of Medical Physiology, 22nd Edition, Page 593; Concepts in Medical Physiology By Seifter, 2005, Pages 163-64 | 157,129 | medmcqa_train |
Pilocarpine eye drops act as | Ans. (b) Directly acting mioticRef: KDT 7/e, p. 105It is a cholinomimetic alkaloid and acts directly on muscarinic receptors and also on ganglionic muscarinic receptors causing miosis, ciliary muscle contraction and fall in IOP. | 157,130 | medmcqa_train |
Drug of choice for supraventricular tachycardia is: | Ans. (A) Verapamil(Ref: Katzung 11th/e p243-244, KDT 8th/e p580-581)*Adenosine is DOC for PSVT termination.*Verapamil is DOC for prophylaxis of PSVT and for management of sustained supraventricular tachycardia. | 157,131 | medmcqa_train |
All of the following are causes of exudative plural effusion except | (B) Liver cirrhosis DIFFERNETIAL DIAGNOSES OF PLEURAL EFFUSIONTRANSUDATE PLEURAL EFFUSIONS1. Congestive heart failure4. Nephrotic syndrome7 Myxedema2. Cirrhosis5 Peritoneal dialysis8 Urinothorax3. Pulmonary embolization6 Superior vena cava obstruction EXUDATIVE PLEURAL EFFUSIONS1. Neoplastic diseases5. Collagen-vascula... | 157,132 | medmcqa_train |
All are true about congenital diaphragmatic hernia except _____________ | Congenital diaphragmatic hernia(CDH) occurs when the diaphragm muscle -- the muscle that separates the chest from the abdomen -- fails to close during prenatal development, and the contents from the abdomen (stomach, intestines and/or liver) migrate into the chest through this hole. Reference: GHAI Essential pediatrics... | 157,133 | medmcqa_train |
A 14yr old girl on exposure to cold has pallor of exterimies followed by pain cyanosis.In later ages of life she is prone to develop | Ref Robbins 8/e p225;518; Harrison 18/e p2096,9/e p228- 229 Systemic sclerosis (SS) is an immunologic disorder characterized by excessive fibrosis in multiple tissues, obliterative vascular disease, and evidence of autoimmunity, mainly the production of multiple autoantibodies. It is commonly called scleroderma because... | 157,134 | medmcqa_train |
Not used for erectile dysfunction ? | Ans. is 'A' i.e., Beta-blockersDrugs used for erectile dysfunction1. Phosphodiesterase-5 inhibitors (Sildenafil, Tadalafil, Vardenafil).By inhibiting PDE-5, these drugs prevent degradation of cGMP and potentiate the action of NO.These are the DOC for pharmacological therapy of erectile dysfunction.2.Alprostadil (Prosta... | 157,135 | medmcqa_train |
A postmenopausal women with a family history of osteoporosis completes a bone mineral density work-up and you find her T-score is -2.6. She tried a sho course of teriparitide a year ago but complained of serious depression and mood changes. You decided to try an antibody-based therapy and schedule a time for an injecti... | Denosumab:- It is a human monoclonal antibody which inhibits osteoclast differentiation and function as well as promotes their apoptosis. It is a treatment option for postmenopausal osteoporosis when no other drug is appropriate. Ref:- kd tripathi; pg num:-346 | 157,136 | medmcqa_train |
The boundaries of the inguinal triangle include all of the following, EXCEPT: | Inguinal triangle is a region defined by the following structures:Rectus abdominis muscle (medially)Inguinal ligament (inferiorly)Inferior epigastric vessels (superior and laterally)It is the region in which direct inguinal hernias protrude through the abdominal wall.The Hesselbach triangle is bounded by the inguinal l... | 157,137 | medmcqa_train |
What is the content of ethinyl estradiol in very low dose oral contraceptives? | <p> Governments of India has made available 2 types of low-dose oral pills under the brand names of MALA-N and MALA-D. It contains ethinyl estradiol 30 micrograms and levonorgestrel 0.15 milligrams. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:500. <\p> | 157,138 | medmcqa_train |
Xanthoma dissemination is associated with:- | Xanthoma dissemination Non-Familial Non-Langerhan Histiocytosis. C/F : Presents with Xanthoma like lesion, we see reddish yellow papules over the whole body. Associated with Diabetes Insipidus. | 157,139 | medmcqa_train |
Young lady comes with mild erosion of cervix and pap smear shows dysplasia, next step is: | Ans. is a, i.e. AntibioticsRef: Jeffcoate 7th/ed, p410-l; Dutta Gynae. 4th/ed, p250The erosion should first be treated with antibiotics and then pap smear repeated. | 157,140 | medmcqa_train |
A diabetic patient in hypoglycemia does not regain consciousness despite blood glucose restoration to normal. Which one of the following is the not likely condition ? | Alcohol consumption causes an increase in insulin secretion, which leads to low blood sugar (otherwise known as hypoglycaemia). This causes light headedness and fatigue, and is also responsible for a host of longer-term alcohol-related health problems . REf - pubmed.com | 157,141 | medmcqa_train |
Which is the most common cause of acquired aeriovenous fistula? | Acquired aeriovenous fistulas are caused by aificial connections between adjacent aeries and veins. Penetrating injuries are the most common cause of acquired aeriovenous fistula. Other causes includes creating vascular access for hemodialysis, as complications of aerial catheterization or surgical dissection and rarel... | 157,142 | medmcqa_train |
Which of the following surgery for stress incontinence has highest success rate | TENSION FREE VAGINAL TAPE TVT has been designed from non reactive synthetic material Procedure: After exposing the region of the bladder neck on vaginal dissection, the hammock of the tape is placed underneath it to provide suppo, at the mid urethral level, the lateral extensions are brought out paraurethrally on to th... | 157,143 | medmcqa_train |
Best suture for common bile duct is - | Ans. is 'c' i.e. Non-synthetic absorbable | 157,144 | medmcqa_train |
Na+ uptake at basolateral surface of apical cells is by | Ans. is 'a' i.e., Active transpo | 157,145 | medmcqa_train |
Spontaneous muscle bleeding is typically seen in: | Answer is A (Hemophilia) Spontaneous Hemahrosis and spontaneous muscle hematomas are charachteristic of moderate or severe congenital factor VIII or IX deficiency (Hemophilia). Spontaneous bleeding may also be seen in Afibrinogenemia, Von willebrand disease and Scott's syndrome (defect in platelet's activated surface t... | 157,146 | medmcqa_train |
Secondary oocyte contains - | Ans. is 'a'i.e., 23, X o OOGENESIS: | 157,147 | medmcqa_train |
Most common site of Implantation of tubal pregnancy is : | Ampulla | 157,148 | medmcqa_train |
Which of the following is not a fundamental aspect of Disaster management ? | There are three fundamental aspects of disaster management: (i) Disaster response; (ii) Disaster preparedness; (iii) Disaster mitigation. | 157,149 | medmcqa_train |
Lying between 2-4 years of age indicate: | Ans. b (Testing parenteral attitude). (Ref. Nelson, Textbook of Paediatrics, 18th/131)BEHAVIORAL DISORDERS in children (noted around 2-4 year age)# Include : Lying, Impulsiveness, Breathe holding, Decence and Temper tantrums.# Oppositionalism, temper tantrums, and breath holding spells are not unusual during the 1st ye... | 157,150 | medmcqa_train |
Blow out orbit is characterized by: | A i.e. Diplopia; B i.e. Tear drop sign; C i.e. Forced duction test Blow out fracture is fracture of orbital floor or medial wall Q. It presents with emphysema of lid, subconjunctival ecchymosis, diplopia & forced duction test Q (due to entrapment of muscle), epistaxis, proptosis, enopthalmos & parasthesia in distributi... | 157,151 | medmcqa_train |
Most common mutation in Alpo syndrome is in COL4A5, which is transmitted as - | The inheritance is heterogeneous, being most commonly X-linked as a result of mutation of the gene encoding a5 type IV collagen. Males, therefore, tend to be affected more frequently and more severely than females and are more likely to develop renal failure. Ref: Robbins book of pathology. 9th edition. Page 53 Alpo sy... | 157,152 | medmcqa_train |
in a case of plycythemia vera which of the following rceptor overactivity is seen? | Receptor Types 1. Ion-channel Receptors (Ionotropic Receptors) 2. G-Protein Coupled Receptors (Metabotropic receptors) 3. Kinase-linked Receptors 4. Intracellular Receptors (Cytosolic Receptors) 5. Enzymes as Receptors 6. Drugs which act through Modulation of Voltage Gated Ion Channels (Voltage-Operated Channels) POLYC... | 157,153 | medmcqa_train |
Pain of ovarian carcinoma is referred to: | pain in the medial surface of thigh may be due to irritation of obturator nerve.other features include abdominal pain,abdominal lump,abdomibal discomfo,postmenopausal bleeding,weight loss,cachexia,anemia are the symptoms of advanced stage of cancer. Refer page no 526 of Text book of obstetrics,sheila balakrishnan. | 157,154 | medmcqa_train |
The most common site of fracture mandible is | Fractures of the mandible (Dig man's classification)Condylar process35% Angle of mandible20%Body of mandible20%Symphysis 15%Alveolar process5%Ramus 3%Coronoid process2%Most common fracture - condylar fracture followed by angle, body & symphysis of the mandible (mnemonic - CABS)(Refer: Mohindra's Fundamentals of Ohopedi... | 157,155 | medmcqa_train |
Acrodermatitis enteropathica is seen with deficiency of: | a. Zinc(Ref: Nelson's 20/cp 344-345, Ghai B/e p 121-122)Deficiency of zinc leads to acrodermatitis enteropathica, in which rashes shown on skin, especially around the orifices. | 157,156 | medmcqa_train |
False regarding delirium tremens ? | Ans. is 'b' i.e., Ophthalmoplegia Delirium tremens Delirium tremens is the most severe alcohol withdrawal syndrome. It occurs usually within 2-4 days of complete or significant alcohol abstinence. This is an acute organic brain syndrome (delirium) with characteristic features of delirium. Clouding of consciousness with... | 157,157 | medmcqa_train |
Investigation of choice to diagnose epilepsy is: | Ans: bRef: Harrison, 16thed, p. 2363- 2364 | 157,158 | medmcqa_train |
An X ray of thewrist and handin given below . If there is a damage to structureE, Which of the following muscle weakness does it cause ? | The hook of hamate and the pisiform provide inseion for the flexor carpi ulnaris. Also note- If the floor of anatomic snuff box and origin of abductor pollicis brevis are damaged, bones most likely to be involved is B i.e. scaphoid forms the floor of the anatomic snuffbox and provides a site for origin of the abductor ... | 157,159 | medmcqa_train |
Radiological signs of acute pancreatitis include the following except - | All the given signs are present in acute pancreatitis. However, Cullen's sign is a clinical sign (not radiological sign). | 157,160 | medmcqa_train |
Low osmolarity ORS - false statmenf is - | Ans. is 'c' i.e., Osmolarity is 311 mosm/iitero Osmolarity of cow osmolarity ORS is 245o Standard ORS is 311o Resomal is 300Composition Comparison ofReSoMaL, Standard WHO, and Reduced-Osmolarity WHO ORS SolutionsCompositionReSoMal (mmol/L)Standard ORS (mmol/L)Reduced osmolarity ORSGlucose12511175Sodium459075Potassium40... | 157,161 | medmcqa_train |
Leukotriene antagonists is: March 2009 | Ans. D: Montelukast Montelukast is a leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. It is usually administered orally. Montelukast is a CysLT1 antagonist; that is it blocks the action of leukotriene D4 (and secondary ligands LTC4 and LT... | 157,162 | medmcqa_train |
Sphincter urethrae is present in | The urethral sphincters are two muscles used to control the exit of urine in the urinary bladder through the urethra.The internal sphincter is a continuation of the detrusor muscle and is made of smooth muscle, therefore it is under involuntary or autonomic control. ref - BDC 6e vol2 pg372-376 | 157,163 | medmcqa_train |
High Anion gap is seen in - | Renal failure : Non anion gap metabolic acidosis. Diarrhea : Non anion gap metabolic acidosis. Alcoholics : metabolic alkalosis + metabolic acidosis Ref: Harrison&;s 19thE | 157,164 | medmcqa_train |
What is the diagnosis of the following examination of the fundus | This is the case of Hypeensive retinopathy with scattered flame (splinter) haemorrhages and cotton-wool spots. Hypeensive retinopathy is retinal vascular damage caused by hypeension. Signs usually develop late in the disease. Funduscopic examination shows aeriolar constriction, aeriovenous nicking, vascular wall change... | 157,165 | medmcqa_train |
You see four postmenopausal patients in the clinic. Each patient has one of the conditions listed, and each patient wishes to begin hormone replacement therapy today. Which patient would you sta on therapy at the time of this visit? | Absolute contraindications to postmenopausal hormone replacement therapy are estrogen-dependent tumors (breast or uterus) active thromboembolic disease undiagnosed genital tract bleeding active severe liver disease malignant melanoma. Past or current history of hypeension, diabetes, or biliary stones does not automatic... | 157,166 | medmcqa_train |
Turner syndrome - | Ans. is 'a' i.e., 45XOTrisomy 13- Patau syndromeTrisomy 18- Edward syndromeTrisomy 21- Down syndromeXO- Turner syndromeXXY- Klinefelter syndrome | 157,167 | medmcqa_train |
Cystic degeneration is seen commonly in | Cystic degeneration is seen commonly seen in interstitial fibroid. | 157,168 | medmcqa_train |
IPPV is useful in: March 2009 | Ans. C: Flail chest PPV can be effectively used in the treatment of flail segments, which characteristically render negative pressure breathing ineffective, but does not impede PPV. Flail chest is traditionally described as the paradoxical movement of a segment of chest wall caused by fractures of 3 or more ribs anteri... | 157,169 | medmcqa_train |
An adolescent child complains of night pain in the knee. It could be due to - | Ans. is 'a' i.e., Juvenile rheumatoid ahritis Causes of knee pain in adolescence (..)Time of the knee pain helps in the diagnosis of the disorders : - I. Night pain indicates i) Inflammatory disorder ---)Juvenile rheumatoid ahritis. ii) Bursitis, synovitis iii) Tumor Osteosarcoma Pain at the end of the day and after ac... | 157,170 | medmcqa_train |
Hypercalcemia is associated with all of the following, except: | Hypercalcemia can be caused by conditions such as hyperparathyroidism, malignancy, granulomatous diseases (TB, sarcoidosis), milk alkali syndrome, total parenteral nutrition, adrenal insufficiency, pheochromocytoma and by drugs (thiazides, vitaminA, anti estrogens). Celiac disease is not associated with hypercalcemia. ... | 157,171 | medmcqa_train |
Schwartz sign is seen in -(PGI 98) | (A) Schwartz sign also known as Flemingo's pink sign, is a diagnostic indicator for otosclerosis, a disease of the bones of the middle or inner ear. In clinical examination of the ear drum, increased vascularity of the promontory may be seen through the ear drum. | 157,172 | medmcqa_train |
Which of the following compounds is an analogue of hypoxanthine? | Allopurinol acts on purine catabolism, without disrupting the biosynthesis of purines. It reduces the production of | 157,173 | medmcqa_train |
Physiologically inactive form is | Ans. (a) Angiotensin I(Ref: Ganong, 25th ed/p.696)Angiotensin II & III got physiological activitiesAngiotensin I is only the precursor of Angiotensin II | 157,174 | medmcqa_train |
In anterior colporrhaphy, the best method of suture apposing the vaginal flaps is: | ANTERIOR COLPORRHAPHY An inveed T incision is made on the anterior vaginal wall. the horizontal incision is made below the bladder and the veical incision is made staing from the midpoint of the tranverse incision upto a point about 1.5 cm below the external urethral meatus. The traiangular vaginal flaps including the ... | 157,175 | medmcqa_train |
The drug of choice for chempprophylaxis in contacts of a patient of penumonic plague is | Cholera: Tetracycline or furazolidone for household contacts Bacterial conjunctivitis: Erythromycin ophthalmic ointment Diphtheria: Erythromycin Influenza: Oseltamivir Meningitis, meningococcal: Ciprofloxacin, and minocycline Plague: Tetracycline for contacts of pneumonic plague Ref: 25th edition, Park's Textbook of Pr... | 157,176 | medmcqa_train |
Management of pancreatic abscess is - | Pancreatic absecess is a complication of acute pancreatitis. It is a circumscribed intraabdominal collection of pus, usually in proximity to the pancreas containing little or no pancreatic necrosis.
Treatment-- antibiotics and external drainage (percutaneous catheter based method or surgical). | 157,177 | medmcqa_train |
Neurogenic shock is characterized by | High spinal cord injury there is failure of sympathetic outflow and adequate vascular tone (neurogenic shock). The cause in sepsis is less clear but is related to the release of bacterial products (endotoxin) and the activation of cellular and humoral components of the immune system. There is maldistribution of blood f... | 157,178 | medmcqa_train |
Stop codons are all except - | Ans. is 'd' i.e., UGG* Out of 64 codons, 3 are stop codons. The three stop codons are UGA, UAG, UAA.# Exception is mitochondrial DNA - in mitochondria, UGA is not a stop codon. It codes for Tryptophan. Instead AGA and AGG act as stop codons in mitochondrial DNA.* 61 codons code for 21 aminoacids. Hence more than one co... | 157,179 | medmcqa_train |
Features seen in hemolytic anemia are all except : | Tear drop and Burr cells [Ref Harrison 171h/e p652 16th /e p. 6071 Burr cells are seen in uremia. Tear drop cells are seen in myelofibrosis. Haptotoglobin is an a -globulin present in high concentration in serum. It binds to free haemoglobin produced as a result of hemolysis. The hemoglobin-haptoglobin complex is rapid... | 157,180 | medmcqa_train |
The right placement of double lumen tube inseion gold standard of confirmation- | The most common complication of double lumen tube intubation is malposition of double lumen tube which is prevented by fibreoptic bronchoscopy. Trouble-shooting techniques for DLT inseion include using fiberoptic bronchoscope to cannulate bronchus and then rail road tube over the scope (perhaps the gold standard approa... | 157,181 | medmcqa_train |
Immunoglobulin changes in variable region - | an idiotype is a shared characteristic between a group of immunoglobulin or T cell receptor (TCR) molecules based upon the antigen binding specificity and therefore structure of their variable region Reff: www.mayoclinic.com | 157,182 | medmcqa_train |
A cell is placed in a medium containing radioactively labelled thymidine. After the cells undergo replication 3 times, what percentage of the cells will have both strands of DNA labelled? | Keep in mind that question asks about cells with label on both strands. Question is based on the Meselson & Stahl experiment. Due to semiconservative mode of replication, In each round of replication, one strand is old and one is synthesized new in newly replicated DNA (see fig below). Red strand represents the labeled... | 157,183 | medmcqa_train |
A 14 year old boy comes to the physician with complaints of seizures & some skin macule as shown below. What can be the probable diagnosis? | Ans. C. Tuberous sclerosisa. Above given image shows Ash leaf macule.b. It is the earliest manifestation of Tuberous sclerosis.c. This condition is Autosomal dominant.d. Clinical features of this disease are-- Seizures- Mental disability- Ash leaf macule- Adenoma Sebaceum- Shagreen patch(collagenoma)- Cortical tuberse.... | 157,184 | medmcqa_train |
NOT a feature of pleural effusion: September 2012 | Ans. A i.e. Horizontal fluid level | 157,185 | medmcqa_train |
The given instrument is used for harvesting the graft from healthy area in split skin thickness graft. What is this called? | Ans. A. Humby knife* This is a "Humby" skin-grafting knife, formerly owned by Sir Edward "Weary"Dunlop, and made in 1950s.Silver's knifeBrown dermatome | 157,186 | medmcqa_train |
Most commonly used statistical average - | Arithmetic mean
It is the most commonly used statistical average.
To calculate mean, add up the values of all individual observation and then divide by the number of observations.
The process of adding together is called summation and is denoted by the sign ∑ or S.
The individual observation is denoted by ŋ
The mean ... | 157,187 | medmcqa_train |
For a survey a village is divided into 5 lanes then each lane is sapled randomly is an example is - | - systematic random sample is done by picking every 5th or 10th unit at regular intervals. - by this method ,each unit in the sampling frame would have the sane chance of being selected, but the number of possible samples is greatly reduced. Reference : Park's textbook of preventive and social medicine, 23rd edition, p... | 157,188 | medmcqa_train |
Legionnaire disease is caused by? | Ans. is 'b' i.e., Motile gram negative . Legionnaire disease is caused by legionella pneumophila, which is a gram-negative motile coccobacilli. | 157,189 | medmcqa_train |
Which of the following is not expressed in majority of cases of pediatric B-cell acute lymphoblastic leukemia? | CD19 is a pan B-cell marker. CALLA (common acute lymphoblastic leukemia antigen) is CD 10. CD45 is known as leukocyte common antigen (LCA). Terminal deoxynucleotidyl transferase (TdT), a specialized DNA polymerase that is expressed only in pre-B and pre-T lymphoblasts, is positive in more than 95% of cases. CD7 is comm... | 157,190 | medmcqa_train |
In a one-year-old child intubation is done using: | Pediatric Airway Management - Equipment . Tracheal intubation remains the standard for airway maintenance during many procedures. Generally, a tracheal tube of the largest possible internal diameter should be chosen to minimize resistance to gas flow and avoid an excessive leak around the tube. It is impoant, however, ... | 157,191 | medmcqa_train |
A female presents with a history of progressive breathlessness. Histology shows heterogeneous patchy fibrosis with several fibroblastic foci. The most likely diagnosis is - | Presence of heterogeneous, patchy fibrosis with fibroblastic foci is characteristic of usual interstitial pneumonia (a type of idiopathic interstitial pneumonia).
Idiopathic interstitial pneumonia (Idiopathic interstitial lung disease)
Idiopathic interstitial pneumonias (IIP) comprise a group of diffuse parenchymal ... | 157,192 | medmcqa_train |
Which is the only nerve which exits the brainstem on dorsal side ? | Unique features of trochlear nerve are :?i) Most selender cranial nerve.ii) Only cranial nerve to emerge on the dorsal aspect of brain.iii) Only cranial nerve to undergo complete internal decussation before emerging i.e. right trochlear nerve arises from left trochlear nucleus and vice versa.iv) Has'longest intracrania... | 157,193 | medmcqa_train |
True about anorexia nervosa are all except | Ans:C.)Self Induced Vomitting. ANOREXIA NERVOSA This disorder is characterized by self imposed dietary restrictions leading to malnutrition and severe weight loss. Clinical features Females are far more commonly affected than males. Onset usually occurs between the age of 10-30 years, usually in mid adolescence. A deli... | 157,194 | medmcqa_train |
Contraindications to MRgFUS uterine fibroid are all except | Myomas with poor perfusion is contraindication to MRgFUS. | 157,195 | medmcqa_train |
Izumi fever is caused by: | Ans. is. 'c' i. e., Yersinia pseudotuberculosis | 157,196 | medmcqa_train |
Maximum chances of ABO isoimmunization is seen in? | TEXT BOOK OF PATHOLOGY HARSHMOHAN 6THEDITION PG NO 341 HDN due to ABO incompatibility. About 20% pregnancies with ABO incompatibility between the mother and the foetus develop the HDN. Naturally-occurring anti-A and anti-B antibodies' which are usually of IgM class do not cross the placenta, while immune anti-A and ant... | 157,197 | medmcqa_train |
Prevalence of HIV infection in antenatal women is less than 1% and in high risk population is less than 5%. The state belongs to ? | Ans. is `c' i.e., Group III Based on sentinel surveillance data HIV prevalence in adult population can be broadly classified in three groups of state / UT sin the country. | 157,198 | medmcqa_train |
Gegenhalten (paratonia) indicates lesion in | Ans. c (Frontal lobe) (Ref. Harrison 18th/Fig 370-9).PARATONIA: | tone that varies irregularly in a manner that may seem related to a degree of relaxation, is present throughout the range of motion, affects flexors and extensors equally, usually results from lesion of bilateral frontal lobes or dominant frontal lobe.RI... | 157,199 | medmcqa_train |
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