query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Which of the following does not cause hemorrhagic conjunctivitis – | Hemorrhagic conjunctivitis is caused by picornaviruses (Enterovirus - 70, coxsackievirus A24) and sometimes Adenovirus type 11. | 10,000 | medmcqa_train |
A patient with acute leukaemia is admitted with febrile neutropenia. On day four of being treated with broad-spectrum antibiotics, his fever increases. X-ray chest shows bilateral fluffy infiltrates. Which of the following should be the most appropriate next step in the management | Cotrimoxazole is an antibiotic. As the patient is immunocompromised, most probable oppounistic infection is a fungal infection. And X-Ray shows fluffy infiltrates is suggestive of fungal infection. So antifungals are to be added. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition | 10,001 | medmcqa_train |
A population is divided into relevant subgroups and random sample selection is done from each of the subgroups. This is which type of sampling method? | - in stratified random sample, the sample is deliberately drawn in a systematic way so that each poion of the sample represents a corresponding strata of the universe. - this method is paicularly useful where one is interested in analysing the data by a ceain characteristic of the population. Reference : Park's textboo... | 10,002 | medmcqa_train |
In thin basement membrane disease, the defect is in | TBM disease (also known as benign familial hematuria and thin basement membrane nephropathy) is, along with IgA nephropathy, the most common cause of blood in the urine without any other symptoms. The only abnormal finding in this diseaseis a thinning of the basement membrane of the glomeruli (filters) in the kidneys. ... | 10,003 | medmcqa_train |
A newborn presenting with intestinal obstruction showed on abdominal X-ray, multiple air fluid levels. The diagnosis is not likely to be- | A i.e. Pyloric obstruction | 10,004 | medmcqa_train |
Anti-neutrophil cytoplasmic antibodies (ANCA) is seen in | PR3-ANCAs are also present in up to 95% of cases; they are a useful marker of disease activity and may participate in Wegener’s granulomatosis. | 10,005 | medmcqa_train |
Patient with jaundice and white stools. Which of the following enzymes is not raised | Large increase in gamma glutamyl transferase and ALP ours biliary obstruction (Davidson; page 929) 5&;nucleotidase rise parallels ALP but more specific for diseases of hepatic origin (Harsh mohan page 594) | 10,006 | medmcqa_train |
Least clearance is for among these | Glucose is completely reabsorbed in proximal tubules. So its clearance is zero. | 10,007 | medmcqa_train |
Characteristics of glycoprotein: | A i.e. Protein linked with glycosidic bond | 10,008 | medmcqa_train |
At what age baby with congenital hypertrophic pyloric stenosis show symptoms | Baby show the symptoms of projectile vomiting, olive shaped mass and visible peristalsis | 10,009 | medmcqa_train |
All of the following may be used to treat hypercalcemia, except: | Answer is A (Normal saline with forced diuresis with Thiazides): Thiazide diuretics should not be used in cases of hypercalcemia as these may themselves cause hypercalcemia. | 10,010 | medmcqa_train |
The most commonly practiced operative procedure for a perforated duodenal ulcer is - | Ans. is 'd' i.e., Graham's omentum patch repair | 10,011 | medmcqa_train |
Donovan bodies are: | Monocytes that contain the organism, Calymmatobacterium granulomatis | 10,012 | medmcqa_train |
Which of the following structures seen in the cavernous sinus? | Ans. c. Internal carotid aery | 10,013 | medmcqa_train |
A symptom of medullary sponge kidney disease is - | Medullary sponge kidney is a congenital disorder characterized by cystic dilatation of papillary collecting ducts of one or both kidneys. Urinary stasis in the dilated ducts, hypocitraturia, and, occasionally, incomplete distal renal tubular acidosis (dRTA) contribute to the formation of small calcium-containing calcul... | 10,014 | medmcqa_train |
Tardieu spots are a feature of which of the following forms of death? | Tardieu spots or petechial haemorrhages are pinhead size bleeding spots occurring as a result of rupture of venules and are most commonly seen in sclera, conjunctiva or on serous membranes. It is seen in case of mechanical asphyxia. Ref: Textbook of Forensic Medicine and Toxicology By V.V Pillay, 15th Edition, Page 275 | 10,015 | medmcqa_train |
Metastasis in neuroblastoma goes to - | Lung metastasis at initial diagnosis of neuroblastoma is associated with MYCN amplification and elevated LDH levels. Although lung metastasis at diagnosis was not independently predictive of outcome in this analysis, it remains a useful prognostic marker of an unorable outcome. | 10,016 | medmcqa_train |
Deposition of protein 'A beta 2m' is seen in which clinicopathologic category of amyloidosis - | Ans. is 'b' i.e., Hemodialysis associated | 10,017 | medmcqa_train |
Aerial blood gas of a 5 year old child done at sea level gives the following results: pH 7.41, PaO2, 100 mmHg, and PaCO2, 40 mmHg. The child is being ventilated with 80% oxygen. What is the (A-a) DO2.- | Alveolar air equation: Using the alveolar air equation - PAO2 = - Data: Fraction of O2 in the inspired air = 80% Barometric pressure = 760 mm Hg (sea level) Water vapor pressure = 47 mm Hg Respiratory quotient = 0.8 Hence, Alveolar PO2 = - = 570.4 - 50 = 520.4 mm Hg Aerial PO2 is given = 100 mm Hg Hence, (A - a) DO2 = ... | 10,018 | medmcqa_train |
A child presented with a history of unilateral purulent nasal discharge with occasional bloody discharge from the same side, The diagnosis is - | Unilateral purulent nasal discharge with occasional bloody discharge in a child is highly suggestive of foreign body.
Antrochoanal polyp does not cause bloody discharge.
Angiofibroma most commonly presents with nasal obstruction and epistaxis (not purulent nasal discharge).
Rhinosporidiosis presents most commonly with ... | 10,019 | medmcqa_train |
DNA fingerprinting was founded by: | C i.e. Jeffrey | 10,020 | medmcqa_train |
A patient Shweta with raised serum alkaline phosphatase and raised parathormone level along with low calcium and low phosphate level is likely to have | Answer is D (Vitamin D deficiency) Serum Ca Serum phosphorus Alkaline phosphatase PTH * Osteomalacia (Rickets) (|iNit. D) | | | | * Primary hyperparathyroidism bone disease | | , | | * Bone disease in renal failure with secondary hyperparathyroidism N/| | | | * Lytic bone neoplasms N/| N/| N/| N * Osteoporosis N N N N ... | 10,021 | medmcqa_train |
During the Window period of patient with AIDS - | sero negative infective stage is known as the window period REF:ANANTHANARAYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.579 | 10,022 | medmcqa_train |
If circumflex aery gives the posterior interventricular branch, this circulation is described as | In about 10% of heas,the right coronary is rather small and is not able to give the posterior interventricular branch. In these cases the circumflex aery,the continuation of left provides the posterior interventricular branch and called left dominant. <img src=" /> B D CHAURASIA'S HUMAN ANATOMY UPPER LIMB THORAX-VOLUME... | 10,023 | medmcqa_train |
Parvovirus B19 does not cause | parvovirusB19 causesaplasyic crisi ,persistent anemia,erythema infectiosum&fetal hydrops REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.554 | 10,024 | medmcqa_train |
Marker of acute kidney injury all except? | Ans. is 'd' i.e., Acid phosphatase o Acid phosphatase is not a market of AKI, instead it is alkaline phosphatase.o List of markers for AKI# Alanine aminopeptidase(AAP)# Alkaline phosphatase (AP)# a-GIutathione-S-transferase (a-GST)# g-Glutamyl transpeptidase (gGT)# N-Acetyl-b-(D) gluco-saminidase (NAG)# b2-Microglubuli... | 10,025 | medmcqa_train |
Button hole sign is seen in: | Due to defect in dermis, pressure on a neurofibroma gives a feeling of hole in dermis, which is called as Button hole sign. | 10,026 | medmcqa_train |
Lipoxins synthesized from arachidonic acid act by- | lopoxins are the metabolites produced lipooxygenase pathway. They act to regulate and counter Balance actions ad Leucotriens i:e, decreases leukocyte adhesion, migration and chemotaxis. .ref Robbins 9/e p46 | 10,027 | medmcqa_train |
Active management of 3rd stage of labour is needed for all the following EXCEPT | Ans. d (Delivery of first baby of twins) (Ref. Textbook of Obstetrics D.C. Dutta 6th/pg. 142)Accidental administration of ergometrine or methergin during delivery of first baby in undiagnosed twins produce grave danger to the unborn 2nd baby caused by asphyxia due to tetanic uterine contractions.MANAGEMENT OF THE THIRD... | 10,028 | medmcqa_train |
Which is a DNA virus ? | Ans. is 'b' i.e., Hepatitis B | 10,029 | medmcqa_train |
Which of the following glycolytic enzyme is used in gluconeogenesis? | Aldolase is the enzyme which catalyzes the reversible reaction of glycolysis. So this enzyme is utilized in gluconeogenesis.Glucokinase, pyruvate kinase and phosphofructokinase are enzymes which catalyze the irreversible reaction of glycolysis and which are bypassed by different sets of enzymes during gluconeogenesis. | 10,030 | medmcqa_train |
A 53-year-old female nonsmoker is being evaluated with symptoms of progressive shoness of breath. She has a past history of trauma to the right side of the chest. There is no history of asthma, sputum production, or recent chest pain. CXR is shown in,The likely diagnosis is | There is a large, well-demarcated, calcified pleural-based opacity abutting the lateral chest occupying two-thirds of the left hemithorax. It has a rounded, intensely calcified inferior and medial border and thus suggests a pleural origin. The shadow is most consistent with a large, old organized hemothorax. The calcif... | 10,031 | medmcqa_train |
Predisposing factors for endometrial carcinoma is : | All | 10,032 | medmcqa_train |
Which of the following connective tissue disorder is associated with gastroesophageal reflux? | Scleroderma is systemic disease accompanied by esophageal abnormalities in approximately 80% of patients. The esophageal lesion consists of atrophy of the smooth muscles, manifested by weakness in the lower two-third of the esophageal body and incompetence of the LES. Gastroesophageal reflux is due to incompetent LES c... | 10,033 | medmcqa_train |
Subdural Hematoma (SDH) is caused by | (A) Bridging veins # SUBDURAL BLEEDING arises from rupture of cortical vessels/bridging veins.> Relatively severe trauma> No lucid interval> Diffuse concave lesion on computed tomography> Require immediate transfer to a neurosurgical unit for decision on evacuation 50 per cent mortality. | 10,034 | medmcqa_train |
Thiazide diuretic used when GFR<30 ml/min? | Ans. is 'a' i.e., Metolazone o Metolazone is the only thiazide which is effective in severe renal failure. | 10,035 | medmcqa_train |
Which of the following traditional medicines is effective in the treatment of hea failure | Ans. a. Terminalia Arjuna Terminalia Arjuna (An ayurvedic cardioprotective botanical) Although many Ayurvedic plants have shown to help coronary aery disease, Arjuna (Terminalia Arjuna) by far seems to be the best plant for hea health. Terminalia arjuna is a traditional ayurvedic plant containing tannins, triterpenoid ... | 10,036 | medmcqa_train |
Selenocysteine is derivative of which aminoacid - | Ans. is 'a' i.e., Serine o Selenocysteine is considered as 21" standard amino acid. o It is present at the active site of some enzymes that catalyze redox reactions, e.g. thioredoxin reductase, glutathione peroxidase, and the deiodinase (converts thyroxin to triiothyronine). o Biosynthesis of selenocysteine requires cy... | 10,037 | medmcqa_train |
Which of the following local anaesthetic is NOT used as a surface anaesthetic? | Bupivacaine is a widely used amide local anesthetic. It is a potent agent capable of producing prolonged anesthesia. Its long duration of action plus its tendency to provide more sensory than motor block has made it a popular drug for providing prolonged analgesia during labor or the postoperative period. By taking adv... | 10,038 | medmcqa_train |
Undescended testis can lead to all of the following complications except: March 2012 | Ans: D i.e. Hyperophy of testes Complications of undescended testes Torsion can be seen in incomplete testicular descent Sterility is seen in bilateral cases (especially intra-abdominal testes) Incomplete testicular descent predisposes to malignant disease; cancer is more common in an incompletely descended testes-orch... | 10,039 | medmcqa_train |
Keratoderma Blenorrhagica is typically seen in | Ans. is 'c' i.e., Reactive ahritis Keratoderma Blenorrhagica is the characteristic skin lesion seen in patients with Reactive Ahritis. "The Characteristic skin lesions in Reactive Ahritis, Keratoderma Blenorrhagica, consist ofvesicles that become hyperkeratotic, ultimately forming a crust before disappearing. These are... | 10,040 | medmcqa_train |
Initial amino acid in prokaryotic protein synthesis - | Ans. is 'c- i.e., Formyl-methionine o in prokaryotes and in mitochondria, the first amino acid methionine is modified by formylation, i.e. the initiator t-RNA carries an N-formylated methionine. The formyl group is added by the enzyme transformylase (formyl- transferase). In Eukaryotes, the initiator t-RNA carries a me... | 10,041 | medmcqa_train |
Antiglaucoma drug which acts by increasing uveo- sclerol outflow - | Ans. is 'b' i.e., Latanoprost Drugs used in open-angle glaucoma MechanismMethods of AdministrationCholinomimetics Pilocarpine, carbachol, physostigmine, echothiophate, demecariumCiliary muscle contraction, opening of trabecular meshwork, increased outflowTopical drops of gel; plastic film slow-release insertAlpha agoni... | 10,042 | medmcqa_train |
Most commonly affected organ in the disorder characterized by the peripheral blood smear is: | Hereditary Spherocytosis—Peripheral blood smear.
Splenomegaly is more common and prominent in hereditary spherocytosis than in any other form of hemolytic anemia. The splenic weight usually is between 500 and 1000 g. The enlargement results from marked congestion of the splenic cords and increases in the numbers of m... | 10,043 | medmcqa_train |
Boiled cabbage or rancid butter smelling urine is seen in | Tyrosinemia REF: Sapira's a & science of bedside diagnosis - Page 138, Textbook of Pediatric Emergency Medicine by Gary R. Fleisher, Stephen Ludwig Page 1566 Tyrosinaemia is an error of metabolism, inherited, in which the body cannot effectively break down the amino acid tyrosine, found in most animal and plant protein... | 10,044 | medmcqa_train |
All are side effects of clozapine expect: | Ref: KDT 8th ed Clozapine is an atypical antipsychotic drug. It does not block D2 receptors, therefore chances of extrapyramidal symptoms are least with this drug. | 10,045 | medmcqa_train |
All of the following are true about staing betablocker therapy in cases of CHF, Except | Answer is A (They should be initiated at the effective doses) Beta blocker should be initiated at lower than effective doses in CHF Beta blockers should be initiated at lower than effective doses in CHF and be 'Beta blockers should be initiated at low doses followed by gradual increments in the dose if lower doses have... | 10,046 | medmcqa_train |
A patient with a peptic ulcer was admitted to the hospital and a gastric biopsy was performed. The tissue was cultured on chocolate agar incubated in a microaerophilic environment at 37degC for 5 to 7 days. At 5 days of incubation, colonies appeared on the plate and were curved, Gram negative rods, oxidase positive. Th... | This organism is readily isolated from gastric biopsies but not from stomach contents. It is like Campylobacter species and grows on chocolate agar at 37degC in the same microaerophilic environment suitable for C. jejuni (Campy-Pak or anaerobic jar without the catalyst). H. pylori, however, grows more slowly than C. je... | 10,047 | medmcqa_train |
In CML serum vitamin B12 level is: | Wintrobes hematology mentiins granulocytes contain and release B12 binding proteins.Markedly elevated transcobalamin 1 level are seen in chronic myelocytic leukemia and myeloid metaplasia whereas low levels are seen in chronic leucopenia and aplastic anemia. Williams hematology 8th adds that the increase is propoional ... | 10,048 | medmcqa_train |
A 52-year-old businessman with nephrotic syndrome after a non-stop flight from New York to New Delhi presents with sudden onset of breathlessness, haemoptysis, and chest pain. He is brought into Casualty in shock. His chest X-ray is normal. The ECG shows sinus tachycardia. | 1. In this patient no pulmonary edema, MI absent and aoic dissection also absent. 2. Nephrotic syndrome patient will be in hypercoagulable state, long flight- DVT- pulmonary embolism- acute Cor pulmonale 3. Most common causes of Cor pulmonale- pulmonary embolism 4. CXR is normal because it is only a small clot and clot... | 10,049 | medmcqa_train |
A farmer has an ulcer on leg with indurated margin and multiple sinuses with discharging granules. The likely diagnosis is - | Ans. is 'a' i.e., Mycetoma Mycetoma (Maduramycosis) . Is a localized chronic granulomatous involvement of the subcutaneous and deeper tissues, commonly affecting the foot and less often the hand and other pas. . Presenting as a subcutaneous swelling with multiple discharging sinuses. . Sinuses discharge seropurulent fl... | 10,050 | medmcqa_train |
Spaghetti and meatball appearance is seen in | In pityriasis versicolor while doing KOH mount shows a mixture of short , branched hyphae and spores described as spaghetti and meatballs appearance. | 10,051 | medmcqa_train |
Drug which is useful in neuronal diabetes inspidus in both children and adults given intra nasally - | Ans. is 'b' i.e., Desmopressin Desmopressin (intranasal) is the DOC for central DI. | 10,052 | medmcqa_train |
Magnan syndrome is seen in which poisoning- | Ans. is 'd' i.e., Cocaine | 10,053 | medmcqa_train |
The denominator in General feility rate | General feility rate (GFR) : Number of live bihs per 1000 women in the reproductive age group 15-49 years in a given year Denominator : Takes 'mid-year population' of 15-49 years age females into account Ref: Park 25th edition Pgno : 539 | 10,054 | medmcqa_train |
Scissors gait is seen in | Scissor gait is a form of gait abnormality primarily associated with spastic cerebral palsy rigidity and excessive adduction of the leg in swing plantar flexion of the ankle flexion at the knee adduction and internal rotation at the hip progressive contractures of all spastic muscles complicated assisting movements of ... | 10,055 | medmcqa_train |
Kaposi's sarcoma (KS) usually occurs when CD4+ lymphocyte counts are: | When CD4 count falls less than 200/L, the patient develops full-blown AIDS. This stage is characterized by the development of HIV wasting syndrome with weight loss and diarrhea for 1 month.
The patients with AIDS show a marked susceptibility to the development of malignancies.
Human herpes virus-8–associated Kaposi’s ... | 10,056 | medmcqa_train |
Caudal regression syndrome is seen in | Gestational diabetes is associated with caudal regression syndrome. | 10,057 | medmcqa_train |
MCH located on - | (A) (Chromosome number 6) (136 Baveja 4lh) (106 D. Greenwood 18th)MAJOR HISTOCOMPATIBILITY COMPLEX (MHO* The MHC in human is known as human leucocyte antigen (HLA) complex.* The HLA complex of genes is located on short arm of chromosome 6.* They are arranged over a region of between 2000 and 4000 kilobases is size, con... | 10,058 | medmcqa_train |
A lady comes with melanotic pigmentation of lip, presence of multiple polyps in the intestine, and a positive family history. What is the most probable diagnosis? | Peutz-Jeghers syndrome (PJS) is an autosomal dominant inherited disorder characterized by intestinal hamaomatous polyps in association with a distinct pattern of skin and mucosal macular melanin deposition. Gardner syndrome, a variant of familial adenomatous polyposis (FAP), is an autosomal dominant disease characteriz... | 10,059 | medmcqa_train |
In complicated cataract opacity develops in | Answer-C. Posterior subcapsularComplicated cataract refers to the lens opacification secondary to some other intraocular disease, Anterior uveitis is the most common cause.Posterior coical complicated cataract : - This type of cataract is due to affections of posterior segment. This cataract is located in a posterior s... | 10,060 | medmcqa_train |
Which is a product of purine metabolism? | Uric acid is the common end product of purine catabolism. However, in non-primate mammals, Allantoin is the end product of purine catabolism as an extra enzyme, Uricase is present. OTHER OPTIONS: OPTION B: The end products of pyrimidine catabolism are NH3, CO2 & beta alanine (for Cytosine, Uracil) Option C - Xanthine i... | 10,061 | medmcqa_train |
Secondary Oocyte is : | Primary Oocyte – 2n.
Secondary Oocyte – n and 2N.
Spermatid – n and N. | 10,062 | medmcqa_train |
Biomedical waste(s) to be discarded in Yellow : | Ans. is 'a' i.e., Human anatomical waste; b i.e., Animal waste; 'c' i.e., Microbiological waste o Wastes discarded in yellow bag arc : (i) Category I (Human anatomical waste), (ii) Category 2 (Animal waste), (iii) Catagory 3 (Microbiology and Biotechnology waste), and (iv) Catagory 6 (Solid waste). | 10,063 | medmcqa_train |
Cervical cytology smear revealed CIN2- next step - | Ans- A Colposcopy guided biopsy | 10,064 | medmcqa_train |
pH 7.24, PaO2 55 mm Hg, PaCO250 mm Hg, HCO3-30 mEq/L consistent with: | pH < 7.35 is acidosis ; pH >7.45 is alkalosisPrimary change in HCO3- is termed as metabolic (normal range: 22-30 meq/l)If there is acidosis and HCO3- decreased, the problem is a metabolic oneIf in acidosis HCO3- is increased or normal, the problem is compensatory metabolicPrimary change in CO2 is termed as respiratory ... | 10,065 | medmcqa_train |
Tardy ulnar nerve palsy is due to _____: | Ans. A. Cubitus valgusTardy ulnar nerve palsy is due to cubitus valgus.Fracture of the lateral condyle of humerus in the long run can lead to complications such as cubitus valgus.Friction neuritis of the ulnar nerve as it moves over the medial epicondyle every time the elbow is flexed and extended may result in a late ... | 10,066 | medmcqa_train |
All are chemokines except - | Histamines are most impoant vasoactive amines , formed by decarboxylation of histidine found in granules of mast cells, basophils & in platelets. Reff: Ananthanarayan & Panikers textbook of microbiology 9th edition pg: 164 | 10,067 | medmcqa_train |
Phacoemulsification is done with | Ans. b (Ultrasound) Ref: AK Khurana, 4th ed, p. 193In phacoemulsification nucleus is emulsified & aspirated by phacoemulsification. Phacoemulsifier acts through a titanium needle ( hollow 1 mm needle)It vibrates in its longitudinal axis at an ultrasonic speed of40000 times a second and thus emulsifies nucleusAdvantage:... | 10,068 | medmcqa_train |
On the 4th postoperative day of laparotomy a patient presents with bleeding & oozing from the wound. Management is : | Ans. is 'b' i.e. IV fluids | 10,069 | medmcqa_train |
Mondor's disease is? | ANSWER: (D) Superficial thrombophlebitis of breastREF: Schwartz 9th ed chapter 17MQNDOR'S DISEASEMondor's disease is a variant of thrombophlebitis that involves the superficial veins of the anterior chest wall and breast. In 1939, Mondor described the condition as "string phlebitis ," a thrombosed vein presenting as a ... | 10,070 | medmcqa_train |
In chronic alcoholism which of the following is seen-a) Delirium tremensb) Wernicke's syndromec) Korsakoff psychosisd) All of the above | Some guides have given, option `d' as the answer. But delirium tremens is not a chronic complication; it is a symptom of alcohol withdrawal.
Wernicke's-Korsakoff's syndrome (Wernicke's encephalopathy and Korsakoff's psychosis) is a chronic complication of alcoholism. | 10,071 | medmcqa_train |
The parasympathetic supply to otic ganglion comes from: (Repeat) | Ans: C (9th cranial nerve) Ref: Gray Is Anatomy. 40th edition, pg. 495Explanation:Pharyngeal Arches and Their DerivativesArchnumberArch nameEmbryoniccartilageCartilage derivativeMuscleNerveArterylMandibularQuadrateMeckel's* Incus* Malleus* Anterior ligament of malleus* Spine of sphenoid* Sphenomnndibular ligament* Geni... | 10,072 | medmcqa_train |
All of the following drugs can precipitate acute attack of asthma except - | Ans. is 'c' i.e., Glucocoicoids Drugs precipitating asthma o NSAIDs Heparin Heparin Nitrofurantoin beta-blockers Opioids Disulfiram Organophosphates Phenylbutazone, Naproxen and Aspirin are NSAIDS. | 10,073 | medmcqa_train |
Best preventive measure againts tetanus neonatorum- | Active immunisation with tetanus toxoid to mother will protect both mother and child.2 doses should be given. Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 331 | 10,074 | medmcqa_train |
A 5-year-old child is brought to the emergency room with massive, painless bleeding from the rectum. Colonoscopy fails to demonstrate a lesion in the colon or anus. Upper endoscopy fails to demonstrate esophagitis, gastric ulcer or duodenal ulcer. A 99mTc (technetium) scan demonstrates an abnormality in the lower half ... | A Meckel's diveiculum is caused by failure of obliteration of the vitello-intestinal duct. It is classically located in the distal ileum within 30 cm of the ileocecal valve, and the structure is a true diveiculum with mucosa, submucosa, and muscularis propria. Many Meckel's diveicula contain ectopic pancreatic tissue o... | 10,075 | medmcqa_train |
Single disease control strategy done by program known as | Health systems are made up of: * "Horizontal system" of general services, providing prevention and care for prevailing health problems. "Veical programmes" for specific health conditions . | 10,076 | medmcqa_train |
True about silent mutation in gene : (PGI Nov 2009) | Ans:B (No change in Amino acid sequence in protein) &D(No change in expression of protein) Silent MutationsThere may be no detectable effectQ because of the degeneracyQ of the code.This would be more likely if the changed base in the mRNA molecule were to be at the third nucleotide of a codon. Because of wobbleQ, the t... | 10,077 | medmcqa_train |
A patient with conjunctival infection, which led to corneal perforation, was positive for Gram-negative coccoid appearance on Gram stain. Fuher investigation showed small translucent colonies, which is oxidase positive. What could be the most probable causative organism? | Ans. b. Neisseria gonorrhea Gram negative coccoi with small translucent colonies, which is oxidase positive is Neisseria gonorrhea. Hyperacute Conjunctivitis of Adults or Gonococcal Conjunctivitis Disease affects adults, predominantly males Infection directly spreads from genitals to eye Markedly decreased incidence of... | 10,078 | medmcqa_train |
Gene duplication plays an impoant role in the evolution of | Analysis of the human genome suggests novel genes created by retroposition may play an impoant role in primate evolution. However, data from non-human primates is still scarce. A comprehensive comparison was thus performed among four primate genomes (human, chimpanzee, orangutan, and macaque), which detects elevated ra... | 10,079 | medmcqa_train |
Which does not cause malignant hypehermia | Malignant hypehermia (MH) is a rare (1:15,000 in pediatric patients and 1:40,000 in adult patients) genetic hypermetabolic muscle disease, the characteristic phenotypical signs and symptoms of which most commonly appear with exposure to inhaled general anesthetics or succinylcholine (triggering agents). MH may occasion... | 10,080 | medmcqa_train |
The stomach wash for phenol poisoning is done with? | Ans. a (10% glycerin). (Ref. Parikh, FMT, 5th/pg.l68)PHENOL OR CARBOLIC ACID POISONING# Corrosive poison# Hardening of the tissues occurs with it.# Thorough gastric lavage with 10% glycerine in water + MgS04 till phenolic odour emited.# Then, about 2 ounces of liquid may be left in stomach. | 10,081 | medmcqa_train |
A 3-year-old male child is brought by his father with complaint of recurrent infections despite proper treatment and hygiene. While reviewing his history, pediatrician notices that the child has been infected multiple times with S. aureus, Pseudomonas & E. coli. Which of the following test will be useful to diagnose co... | Given scenario suggests diagnosis of Chronic granulomatous disease. Chronic granulomatous disease. Due to NADPH oxidase defect Subtypes: X linked recessive Autosomal recessive Gp 91 PHOX defect Gp 47 PHOX defect Gp 67 PHOX defect C/F: Recurrent infections: by catalase positive organism.Eg- S. aureus, Pseudomonas, Nocar... | 10,082 | medmcqa_train |
False about informed consent: AIIMS 07; AFMC 12 | Ans. Alternate procedures/treatment to be concealed from the patients | 10,083 | medmcqa_train |
Which number blade is useful for Crevicular incision : | Crevicular incision is also known as Second incision for which 12 number blade is used. | 10,084 | medmcqa_train |
Solitary erythematous oval lesion with central clearing giving target appearance is seen with? | Erythema migrans secondary to Lyme disease is an erythematous oval lesion with central clearing. The classic "bull's-eye" occurs in this. Erythema migrans is the term applied to skin lesions of Lyme borreliosis. Caused by Borrelia burgdorferi Transmitted by bites from Ixodes ticks. The primary lesion of erythema migran... | 10,085 | medmcqa_train |
Histiocytosis X is seen in except - | Ans. is 'd' i.e., Torres syndrome Langerhans cell histiocytosis (Histiocvtosis X) C.) Histocytosis X is characterized by proliferation of Langerhans histiocytes (tissue macrophages). o It is subdivided into three categories : - i) Letterer - Siwe syndrome ii) Hand -Schuller-Christian disease iii)Eosinophilic granuloma.... | 10,086 | medmcqa_train |
A 40-year-old woman admitted with fever, chills, and changing mental status is transferred to the ICU with a clinical suspicion of sepsis. Examination shows sinus tachycardia, no murmur, and clear lung fields. The patient is given IV fluids aggressively for hydration. Blood cultures are drawn and the patient is placed ... | This chest x-ray shows a pulmonary aery catheter inseed through the internal jugular vein. The PA catheter extends peripherally beyond the right ventricular shadow and past the main pulmonary aery branches into the subsegmental vessels. The patient presents with sepsis and septic shock. It is impoant to determine the f... | 10,087 | medmcqa_train |
"Colon Carcinogenesis" is associated with all except: | Mismatch repair | 10,088 | medmcqa_train |
Which defect in RBC is shown below ? | Ans. (c) Heinz bodiesImage source - style="font-family: Times New Roman, Times, serif"> | 10,089 | medmcqa_train |
Malrotation presents with which of the following features: 1. Mass abdomen 2. Bleeding PR 3. Bilious vomiting 4. Hematemesis | "Bilious vomiting is the first sign of the volvulus, and all infants with bilious vomiting must be evaluated rapidly to ensure that they do not have intestinal malrotation with volvulus. If left untreated, vascular compromise of the midgut initially causes bloody stools, but eventually results in circulatory collapse" ... | 10,090 | medmcqa_train |
Closure of Neural tube begins at which of the following level? | Fusion of neural folds begins in middle and gradually extend in cranial and caudal directions REFERENCE: TEXTBOOK OF CLINICAL EMBRYOLOGY... VISHRAM SINGH SECOND EDITION..PAGE NO:52 | 10,091 | medmcqa_train |
A 45-year-old male has multiple grouped vesicular lesions present on the T10 segment dermatome associated with pain The most likely diagnosis is - | Ans. is 'a' i.e., herpes zoster * Here is a D/d of commonly asked vesico bullous disorders* So the crux is -Painful lesions are seen in Herpes infection.Painless lesions are seen in-Dermatitis herpetiformis Pemphigoid Pemphigus Erythema multiformeDermatomal involvement-Herpes zosterItchy lesions-Dermatitis herpetiformi... | 10,092 | medmcqa_train |
Concentration of sodium in RL is | Sodium concentrations in various crystalloids and colloid Hamann's (RL) 130mmol/L Normal saline (0.9% NaCl) 154mmol/L Dextrose saline (4% dextrose in 0.18 saline) 30mmol/L Gelofusine 150mmol/L Hemacel 145 mmol/L Hetastarch - Lactated potassium saline injection (Darrow's solution) 121mmol/L Ref: Bailey and love 27th edi... | 10,093 | medmcqa_train |
MC cause of aboion in first trimester is, defect in: | Ans. is c i.e. Embryo As explained earlier most common cause of aboion in first trimester are chromosomal abnormalities involving the zygote or embryo | 10,094 | medmcqa_train |
All are true regarding pes planus except: | PES PLANUS (FLAT FOOT) Flat foot refers to obliterated medial longitudinal arch Heel is often in valgus called as planovalgus Pes Planus is of 2 types: (Differentiated by Jack's test) Flexible: Disappears on non-weight bearing. Management is conservative Rigid: Due to congenital veical talus or RA or infection or tarsa... | 10,095 | medmcqa_train |
The following statements are true about Tumour Suppressor Gene p53 except - | Ans. is 'c' i.e., Its activity in the cells decreases following UV irradiation and stimulates cell cycle | 10,096 | medmcqa_train |
These nail changes are seen in | Fingernail involvement in psoriasis appears as punctate pitting, onycholysis, nail thickening, or subungual hyperkeratosis The nail matrix will have pitting, which appears as punctate depressions that are small, shallow, and various shapes and sizes. Characteristically, they are isolated and deep, though they may occur... | 10,097 | medmcqa_train |
Neuropraxia is a condition characterized by | Ans. (d) Physiological blockRef Apley's 8th/ 231Patterns of nerve injuryNeuropraxiaAxonotmesisNeurotmesis* Reversible physiological nerve conduction block* It is seen in crutch palsy tourniquet palsy, and Saturday night palsy.* There is loss of conduction because of axonal interruption but the nerve is in continuity an... | 10,098 | medmcqa_train |
Sinusoids are seen in all of the following except | Sinusoids are found in the liver, lymphoid tissue, endocrine organs, and hematoploietic organs such as the bone marrow and the spleen. Sinusoids found within terminal villi of the placenta are not comparable to these because they possess a continuous endothelium and complete basal lamina. | 10,099 | medmcqa_train |
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