Major beneficial effect of nitrates in classical angina is due to (a) Dilation of veins more than arteries (b) Increase in total coronary blood flow (c) An increase in the end diastolic size of the heart (d) An increase in the heart rate

1 Answer

Answer :

Ans: A

Related questions

Description : Choose the correct statement about the action of nitrates on coronary vessels (a) They mitigate angina pectoris by increasing total coronary flow (b) They preferentially dilate conducting ... the larger arteries (d) They increase subepicardial blood flow without affecting subendocardial blood flow

Last Answer : Ans: B

Description : The primary mechanism of beneficial effect of glyceryl trinitrate in classical angina pectoris is (a) Increase in total coronary blood flow (b) Redistribution of coronary blood flow (c) Reduction of cardiac preload (d) Reduction of cardiac after load

Last Answer : Ans: C

Description : Though nitrates and calcium channel blockers are both vasodilators, they are used concurrently in angina pectoris because (a) They antagonize each other's side effects (b) Nitrates primarily reduce preload while calcium ... load (c) Nitrates increase coronary flow while calcium (d) Both (b) and (c)

Last Answer : Ans: B

Description : Choose the correct statement about the action of nitrates on coronary vessels: A. They mitigate angina pectoris by increasing total coronary flow B. They preferentially dilate conducting ... the larger arteries D. They increase subepicardial blood flow without affecting subendocardial blood flow

Last Answer : B. They preferentially dilate conducting arteries without affecting resistance arterioles

Description : The primary mechanism of beneficial effect of glyceryl trinitrate in classical angina pectoris is: A. Increase in total coronary blood flow B. Redistribution of coronary blood flow C. Reduction of cardiac preload D. Reduction of cardiac afterload

Last Answer : C. Reduction of cardiac preload

Description : The antianginal effect of propranolol may be attributed to which one of the following (a) Block of exercise – induced tachycardia (b) Decreased end – diastolic ventricular volume (c) Dilation of consticted coronary vessels (d) Increased cardiac force (e) Increased resting heart rate

Last Answer : Ans: A

Description : Which of the following agents used in prinzmetal’s angina has spasmolytic actions, which increase coronary blood supply? (a) Nitroglycerin (b) Nifedipine (c) Timolol (d) Isosorbide mononitrate (e) Propranolol

Last Answer : Ans: B

Description : A drug which preferentially dilates autoregulatory coronary arterioles with little effect on large conducting vessels is likely to: A. Evoke coronary steal phenomenon B. Mitigate classical angina but not ... . Decrease total coronary blood flow in healthy subjects D. Avert ECG changes of ischaemia

Last Answer : A. Evoke coronary steal phenomenon

Description : Which of the following is a perfect match? (1) Coronary attack - vascular dilation (2) Atherosclerosis - blockage of arteries (3) Hypertension - low blood pressure (4) Hypotension - heart attack

Last Answer : (4) Hypotension - heart attack Explanation: In physiology and medicine, hypotension is abnormally low blood pressure, especially in the arteries of the systemic circulation. Hypotension is the opposite of ... force of blood pushing against the walls of the arteries as the heart pumps out blood.

Description : Which of the following is a perfect match ? (1) Coronary attack – vascular dilation (2) Atherosclerosis – blockage of arteries (3) Hypertension – low blood pressure (4) Hypotension – heart attack

Last Answer : Hypotension – heart attack

Description : Though nitrates and calcium channel blockers are both vasodilators, they are used concurrently in angina pectoris, because: A. They antagonise each other's side effects B. Nitrates primarily ... primarily reduce after-load C. Nitrates increase coronary flow while calcium channel blockers reduce ca

Last Answer : B. Nitrates primarily reduce preload while calcium channel blockers primarily reduce after-load

Description : A treatment of angina that consistently decreases the heart rate and can prevent vasospastic angina attacks is (a) Isosorbide dinitrate (b) NIFedipine (c) Nitroglycerin (d) Propranolol (e) Verapamil

Last Answer : Ans: E

Description : When digoxin is used in a patient with congestive heart failure (CHF), it works by exerting a positive effect on (a) Stroke volume (b) Total peripheral resistance (c) Heart rate (d) Blood pressure (e) Venous return

Last Answer : Ans: A

Description : The term ischemic heart disease (IHD) is used to designate all of the following conditions except (a) Angina pectoris (b) Sudden cardiac death (c) Congestive heart failur (CHF) (d) Arrhythmias

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Last Answer : Ans: B

Description : Organic nitrates relax vascular smooth muscle by (a) Increasing intracellular cyclic AMP (b) Increasing intracellular cyclic GMP (c) Decreasing intracellular cyclic AMP (d) Both (b) and (c)

Last Answer : Ans: B

Description : Aspirin in small doses (50 to 150 mg per day) (a) Is of benefit in patients of unstable angina (b) Has thrombolytic action (c) PREFerentially inhibits prostacyclin synthetase enzyme (d) MAY Alleviate need for Verapamil in variant angina

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Description : The agent given sublingually in an acute attack of angina pectoris is (a) Glyceryl trinitrate (b) Amyl nitrite (c) Erythrital tetranitrate (d) Pentaerythritol tetranitrate

Last Answer : Ans: A

Description : Propranolol should not be prescribed for a patient of angina pectoris who is already receiving (a) Nifedipine (b) Felodipine (c) Verapamil (d) Isosorbide mononitrate

Last Answer : Ans: C

Description : Which of the following drugs is most likely to accentuate varient (Prinzmetal) angina ? (a) Digoxin (b) Furosemide (c) Enalapril (d) Amrinone

Last Answer : Ans: A

Description : A patient suffers from spisodic pain diffusely localized over the chest and upper abdomen, which is relieved by sublingual glyceryl trinitrate. He could be suffering from (a) Angina pectoris (b) Biliary colic (c) Esophageal spasm (d) All of the above

Last Answer : Ans: D

Description : The following drug is used to reduce the frequency of angina pectoris as well as to terminate an acute attack (a) Digoxin (b) Furosemide (c) Enalapril (d) Amrinone

Last Answer : Ans: A

Description : In case of acute pain of angina pectoris the most effective treatment would be to administer (a) Mannitol hexanitrate (b) Erythrityl tetranitrate (c) Sodium nitrate (d) Pentaerythritol tetranitrate (e) Nitroglycerin

Last Answer : Ans: E

Description : Maximal medical therapy for treating angina pectoris is represented by which of the following choices? (a) Diltiazem, verapamil, nitroglycerin (b) Atenolol, isoproterenol, diltiazem (c) Verapamil, nifedipine, propranolol (d) Isosorbide, atenolol, diltiazem (e) Nitroglycerin, isosorbide, atenolol

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Description : Exertion–induced angina, which is relieved by rest, nitroglycerin, or both, is referred to as (a) Prinzmetal’s angina (b) Unstable angina (c) Classic angina (d) Variant angina (e) Preinfarction angina

Last Answer : Ans: C

Description : Regarding verapamil, which one of the following statements is false? (a) Angina pectoris is an important indication for the use of verapamil (b) Contraindicated in the asthmatic patient (c) ... phase of the action potential in AV nodal cells (e) Used in management of supraventricular tachycardias

Last Answer : Ans: B

Description : A drug lacking vasodilator properties that is useful in angina is (a) Isosorbide dinitrate (b) Metoprolol (c) NIfedipine (d) Nitroglycerin (e) Verapamil

Last Answer : Ans: B

Description : ‘Coronary steal phenomenon’ has been noted most frequently with (a) Glyceryl trinitrate (b) Dipyridamole (c) Propranolol (d) Diltiazem

Last Answer : Ans: B

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