instruction stringlengths 29 1.82k | input stringclasses 1
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Cavernous sinus communicates with: (A) Superior petrosal sinus, (B) Inferior petrosal sinus, (C) Superior ophthalmic vein, (D) Middle meningeal vein | Answer is A. Draining channels or communications the cavernous sinus drains: 1.into the transverse sinus through the superior petrosal sinus. 2.into the internal jugular vein through the inferior petrosal sinus and through a plexus around the internal carotid aery. 3. into the pterygoid plexus of veins through the emis... | |
In civil negligence, onus of proof lies on:: (A) Judicial first degree magistrate, (B) Police not below the level of sub inspector, (C) Doctor, (D) Patient | Answer is D. D i.e. Patient In case of malpractice, punishment is given by civil or criminal couQ (depending on type of negligence). Generally, the innocence of doctor is assumed and in cases where negligence is alleged, the plantiff (complainant, patient) has to establish the guilt. The patient is expected to prove th... | |
Chemical plaque control: (A) is an effective replacement for mechanical plaque control, (B) is especially recommended after periodontal surgery, (C) is best achieved using cetylpyridium chloride mouth washes, (D) is of no use | Answer is B. None | |
Which aery Supplies the deep cerebellar nuclei: (A) Anterior inferior cerebellar aery, (B) Anterior spinal aery, (C) Posterior cerebral aery, (D) Superior cerebellar aery | Answer is D. The superior cerebellar aery supplies the superior surface of the cerebellum and the cerebellar nuclei (dentate nucleus) | |
True about blood supply of scaphoid-: (A) Mainly through ulnar artery, (B) Major supply from ventral surface, (C) Major supply from dorsal surface, (D) Proximal supply in antegrade fashion | Answer is C. Ans. is 'c' i.e., Major supply from dorsal surfaceo Major blood supply (70-80%) of scaphoid comes through dorsal surface via dorsal branches of radial artery,o These dorsal vessels enter the scaphoid at or just distal to waist area and supply the proximal pole in retrograde fashion.o Proximal 2/3 rd to 3/4... | |
Straining and dribbling of urine in a male infant with recurrent urinary infection should lead to the suspicion of :: (A) Vesico – ureteric reflux, (B) Posterior urethral valve, (C) Pelvic ureteric junction obstruction, (D) Phimosis | Answer is B. The informations provided in this question are :
Straining —> Sign of obstruction
Driblling —> Sign of obstruction and incomplete bladder emptying.
UTI May be due to urinary obstruction.
All these suggest the diagnosis of obstructive uropathy, and posterior urethral valve is most common cause of obst... | |
Which protein is abundant in our body:: (A) Collagen, (B) Albumin, (C) Myoglobin, (D) Hemoglobin | Answer is A. Ans. (a) CollagenRef: Harrisons, 19th ed. pg. 2504* Collagen is the most abundant protein in the body.* Harrisons states: "The first genes cloned for connective tissues were the two genes coding for type I collagen, the most abundant protein in bones, skin, tendons, and several other tissues. | |
Myoglobinuria is seen in which type of burns:: (A) Contact burn, (B) Electric burn, (C) Scald, (D) Flame burn | Answer is B. Electrical burns may cause extensive muscle necrosis and consequent myoglobinuria and hemoglobinuria, both of which may lead to renal insufficiency. | |
Sign of the groove is seen in:: (A) Lymphogranuloma venereum, (B) Granuloma inguinale, (C) Syphilis, (D) Chancroid | Answer is A. LGV is caused by Chlamydia trachomatis serovars L1, L2 and L3 and occurs in three stages. In the secondary stage or inguinal stage, enlargement of the femoral and inguinal lymph nodes separated by the inguinal ligament produces the 'sign of the groove'/sign of Greenblatt. NOTE: Ramrod /saxophone penis in m... | |
A patient with psoriasis was staed on systemic steroids. After stopping the treatment, the patient developed generalized pustules all over the body.The cause is most likely to be -: (A) Bacterial infection, (B) Erythrodermic Psoriasis, (C) Drug induced reaction, (D) Pustular psoriasis | Answer is D. Patient of psoriasis on withdrawal of systemic steroids leads to: 1)Pustular Psoriasis: - Multiple sterile pustules develop on whole body(including palms & soles) k/a sterile as there is no infection, only infiltration present. -If generalised k/a Von Zumbusch disease. - Other provocating factors include I... | |
Cholesteatoma is seen in:: (A) ASOM, (B) CSOM, (C) Secretory Otitis media, (D) Otosclerosis | Answer is B. (b) CSOM(Ref. Cummings, 6th ed., 2141)Cholesteatoma formation is characteristic of unsafe CSOM.The other mentioned options are not associated with cholesteatoma. | |
Which of the following indicates anticipated difficult bag mask ventilation: (A) Age >30 yrs, (B) BMI >20, (C) Beard, (D) None of the above | Answer is C. Predicting difficulty in mask ventilation Mask ventilation is the most basic, and arguably most impoant, skill in airway management. Patients who have been identified as having DMV, or who are predicted to be difficult, are, or potentially are, at the highest risk in airway management. It is this facet of ... | |
Which of the following is a nonculturalable fungus-: (A) Rhinosporidium, (B) Candida, (C) Sporothrix, (D) Penicillium | Answer is A. None | |
Enzyme replacement therapy is used for-: (A) Gaucher's disease, (B) Krabbe's disease, (C) Metachromatic leukodystrophy, (D) Tay Sach's disease | Answer is A. Ans. is 'a' i.e., Gaucher's disease * Alglucerase (ceredase) is used in the treatment of Gaucher's disease.* Enzyme replacement therapy (ERT) is also available for Fabry's disease, Type I, Type II and Type VI Mucoploysaccharidosis, Pompe's disease and ADA deficiency | |
Pseudopolyposis is seen in -: (A) Crohn's disease, (B) Ulcerative colitis, (C) Juvenile polyposis, (D) Enteric fever | Answer is B. None | |
Organism that causes emphysematous cholecystitis is:: (A) Salmonella typhi, (B) Cytomegalovirus, (C) Clostridium perfringens, (D) Bacteroides | Answer is C. Ref: Harrison's 18th editionExplanation:Emphysematous CholecystitisIt is thought to begin with acute cholecystitis (calculous or acalculous) followed by ischemia or gangrene of the gallbladder wall and infection by gas-producing organisms.Bacteria most frequently cultured in this setting includeAnaerobes, ... | |
Which of the following conditions may necessitate
emergency tracheostomy to prevent suffocation: (A) Cellulitis, (B) Ludwig's angina, (C) Cavernous sinus thrombosis, (D) Maxillary sinusitis | Answer is B. None | |
Most common site for extra mammary Paget&;s disease is: (A) Vulva, (B) Vagina, (C) Penis, (D) Anus | Answer is A. .It is superficial manifestation of an intraductal carcinoma. The malignancy spreads within the duct up to the skin of the nipple and down into the substance of the breast. It mimics eczema of nipple and areola.most commonly extra mammary manifestations of paget&;s disease is seen in the vulva. * Paget's d... | |
Inferior Rib notching is seen in all except?: (A) Coarctation of aoa, (B) Classical blalock tausing operation, (C) SVC obstruction, (D) Neurofibromatosis | Answer is D. Answer is D (Neurofibromatosis) Neurofibromatosis is associated with superior rib notching Inferior rib notching is characteristically seen in coarctation of Aoa and may also be seen in Superior vena cava obstruction and a Blalock-Taussig shunt operation Rib-Signs in Coarctation of aoa: Inferior rib notchi... | |
Which is false regarding cryptococcus neoformans?: (A) Grows at 5degC and 37degC, (B) It has 4 serotypes, (C) Urease negative, (D) Causes superficial skin infection | Answer is C. Ans. is 'c' i e., Urease negative Cryptococcus neoformans is distinguished from other non-pathogenic crvptococci by ? - Ability to grow at 37degC Lack of fermentative ability - Ability to hydrolyze urease (urease positive) - Formation of brown pigment on niger seed agar - Ability to assimilate inositol Abi... | |
Histopathological finding of gluten hypersensitivity is?: (A) Crypt hyperplasia, (B) Increase in thickness of the mucosa, (C) Distal intestine involvement, (D) Villous hypertrophy | Answer is A. Ans. is 'a' i.e., Crypt hyperplasia Histopathological findings of gluten sensitivity enteropathy* Villous atrophy and Crypt hyperplasia with decrease in villus: crypt ratio.* Loss of microvilli brush border.* Inflammatory cells are present in lamina propria : plasma cells, macrophages, lymphocytes, eosinop... | |
All except one are centrally acting muscle blockers:: (A) Meprobamate, (B) Baclofen, (C) Diazepam, (D) Dantrolene sodium | Answer is D. None |
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