MCQ Book Questions

Q55494. If the patient has a history of gout, which of the following drugs is most likely to exacerbate this condition?

Q55495. After being counseled about lifestyle and dietary changes, the patient was started on atorvastatin. During his treatment with atorvastatin, it is important to routinely monitor serum concentrations of

Q55496. Six months after beginning atorvastatin, the patient’s total and LDL cholesterol concentrations remained above normal and he continued to have anginal attacks despite good adherence to his antianginal medications. His physician decided for niacin. The major recognized mechanism of action of niacin is

Q55497. Following drugs act on imidazoline receptor

Q55498. Which one of the following drugs increase digoxin plasma concentration by a pharmacokinetic mechanism?

Q55499. A 55-year-old patient currently receiving other drugs for another condition is to be started on diuretic therapy for mild heart failure. Thiazides are known to reduce the excretion of

Q55500. A hypertensive patient has been using nifedipine for some time without unto- ward effects. If he experiences a rapidly developing enhancement of the antihyper- tensive effect of the drug, it is probably due to

Q55501. A drug lacking vasodilator properties that is useful in angina is

Q55502. Aldosterone release is stimulated by

Q55503. Which one of the following drugs is used in the treatment of male impotence and activates prostaglandin E1 receptors?

Q55504. A treatment of angina that consistently decreases the heart rate and can prevent vasospastic angina attacks is

Q55505. In a patient receiving digoxin for congestive heart failure, condition that may facilitate the appearance of toxicity include

Q55506. Activation of endothelin receptor ETA, leads to

Q55507. Methylxanthine drugs such as aminophyl- line cause which one of the following?

Q55508. Drugs used in asthma that often cause tachycardia and tremor include

Q55509. Following potassium sparing diuretic inhibits action of aldosterone

Q55510. In patients with chronic granulomatous disease which of the following agents increases the synthesis of tumor necrosis factor, leading to activation of phagocy- tosis?

Q55511. The mechanism of action of cyclosporine involves

Q55512. Which one of the following drugs predictably prolongs the PR interval and increases cardiac contractility?

Q55513. Which of the following is the drug of choice for management of cardiac arrhythmias that occur in digitalis toxicity?