(Single Best Answer) Question 31: Regarding vein graft in CABG Assertion: degeneration occurs significantly after 5 years of CABG Reason: degenerative process in vein grafts is similar to native vessel atherosclerotic disease
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 32: Regarding cardiac output during rest and exercise in a normal person 1. at rest is - 5 to 6 litres / minute and can increase approximately five fold during strenuous exercise 2. increases with a decrease in the pressure gradient (P1 - P2) generated by the heart 3. during exercise blood flow to the skin and skeletal muscle increases to constitute as much as 85% of the cardiac output 4. during exercise the brain, liver, kidney and splanchnic circulation receive about 1/3 rd of their basal flow
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) brachytherapy B) atherectomy devices C) Gp IIb IIIa inhibitors D) DES implantation Answer (Select an option above to get the answer):
(Single Best Answer) Question 34: In patients with diabetes and kidney disease Assertion: Angiotensin converting enzyme blockers and angiotensin receptor antagonists are the preferred over calcium channel blockers antihypertensives in patients with diabetic nephropathy
Reason: Angiotensin converting enzyme blockers and angiotensini receptor antagonists are more effective in lowering blood pressure in those with diabetes
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 35: Regarding Ranolazine Assertion: it is a piperazine derivative that has anti ischemic properties
Reason: it blocks rectifier potassium currents and also lowers heart rate
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 36: Which of the following hemodynamic changes occur in pregnancy 1. decreased peripheral vascular resistance 2. decreased pulmonary vascular resistance 3. increased blood volume 4. decreased venous pressure in lower extremities
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) occurs with in hours after myocardial infarction B) recurrence may be seen C) chest pain is common D) responds well to salicylates Answer (Select an option above to get the answer):
A) CK-MB isoform B) Indium - 111 antimyosin scintigraphy C) Myocardial biopsy D) Echocardiography Answer (Select an option above to get the answer):
(Single Best Answer) Question 39: Drug B is investigated in a meta-analysis for its effect on mortality after acute myocardial infarction. It is found that, when this drug is administered, the mortality drops from 11% to 3%. How many patients will have to be treated with drug B to prevent one death ?
A) 3 B) 11 C) 12.5 D) 24 Answer (Select an option above to get the answer):
(Single Best Answer) Question 40: Which of the following situations would be rated as the most appropriate indication for the use of radionuclide imaging for detection of coronary heart disease (CHD) ?
A) asymptomatic patient with intermediate risk of CHD according to ATP III criteria with an uninterpretable ECG B) acute chest pain with definite acute coronary syndrome C) troponin elevation without additional evidence of acute coronary syndrome D) new onset atrial fibrillation with an unclear etiology Answer (Select an option above to get the answer):