(Single Best Answer) Question 611: Which of the following drug / durgs has / have the potential to precipitate decompensation in patients with chronic heart failure 1. Allopurinol 2. Rosiglitazone 3. Alpha Adrenergic blockers 4. Non steriodal anti-inflammatory drugs
A) Only 1, 2 and 3 are correct B) Only 1 and 3 are correct C) Only 2 and 4 are correct D) Only 4 is correct Answer (Select an option above to get the answer):
(Single Best Answer) Question 612: Assertion: under stress myocardial oxygen delivery increases dominantly due to increased extraction of oxgen from blood
Reason: oxygen extraction is almost maximal under resting conditions
A) Both Assertion and Reason are true, and Reason is the correct explanation for Assertion B) Both Assertion and Reason are true, and Reason is not the correct explanation for Assertion C) Assertion is true, but Reason is false D) Assertion is false, but Reason is true Answer (Select an option above to get the answer):
(Single Best Answer) Question 613: A 26 year old lady came with the complaints of fever with altered sensorium and reduced urine output of 1 week duration. On evaluation her hemoglobin was 7 gm/dl, platelet count of 30,000/cu.mm with peripheral smear showing schistocytes. Serum creatinine was 3 mg/dl. Prothrombin time and activated partial thromboplastin time were normal. Enzyme most likely to be deficient in this situation is ?
A) hexokinase B) pyruvate kinase C) ADAMTS 13 D) glucose-6-phosphate dehydrogenase Answer (Select an option above to get the answer):
A) right bundle branch has dual blood supply from RCA and LAD B) left anterior fascicle has dual blood supply from LAD and RCA C) left posterior fascicle has dual blood supply from LAD and RCA D) AV node is supplied by dominant coronary artery Answer (Select an option above to get the answer):
(Single Best Answer) Question 615: Troponin - T is preferable to CPK-MB in the diagnosis of acute myocardial infarction (MI) in the following situation / situations 1. Bedside diagnosis of acute MI 2. Postoperatively (after CABG) 3. Small infarcts 4. Reinfarction after 4 days
A) Only 1, 2 and 3 are correct B) Only 1 and 3 are correct C) Only 2 and 4 are correct D) Only 4 is correct Answer (Select an option above to get the answer):
A) change in received frequency is inversely proportional to the velocity of blood moving towards the transducer B) change in received frequency is directly proportional to the velocity of blood moving towards the transducer C) change in received signal amplitude is directly proportional to the velocity of blood moving towards the transducer D) change in received signal amplitude is inversely proportional to the velocity of blood moving away from transducer Answer (Select an option above to get the answer):
(Single Best Answer) Question 617: In an elderly hypertensive patient with depression which of the following drug is to be avoided ?
A) Sertraline B) Phenelzine C) Imipramine D) Mirtazapine Answer (Select an option above to get the answer):
A) selective ET-A receptor antagonist B) Both ET-A and ET-B receptor antagonist C) Phosphodiesterase inhibitor D) Prostacyclin Answer (Select an option above to get the answer):
(Single Best Answer) Question 619: A resident doctor inserted central venous catheter for a patient with hypotension in the emergency medicine department. The cotton dressing stained with blood should be placed into ?
A) yellow plastic bag B) red plastic bag C) black plastic bag D) white translucent plastic bag Answer (Select an option above to get the answer):