Pharmacology VI

Quinidine is principally used to treat

Quinidine is used to treat

Verapamil is most efficacious in the treatment of

Which of the following drugs is most useful in treating or preventing angina pectoris?

Each of the following drugs can be used in the prevention and treatment of angina pectoris EXCEPT

All of the following drugs are useful in the treatment of hypertension EXCEPT

Digitalis is useful in the treatment of which of the following conditions?

All of the following drugs are useful in the treatment of cardiac arrhythmias EXCEPT

The drug of choice for initial therapy for mild hypertension is

Which of the following antihypertensives are usually reserved for treatment of severe hypertension?

Which of the following beta-adrenergic receptor blocking agents is thought to be cardioselective?

Antiarrhythmic drugs, such as quinidine, suppress certain cardiac arrhythmias by

Most drugs useful in the treatment of cardiac arrhythmias act primarily by

The most important pharmacologic action of drugs that suppress cardiac arrhythmias is

Lidocaine produces its antiarrhythmic effects by

When digitalis is used in atrial fibrillation, the therapeutic objective is to

Nitroglycerin dilates the coronary arteries in angina pectoris by

Propranolol is of value in treating angina pectoris because it

Administration of angiotensin results in

The primary antihypertensive effect of captopril (Capoten) is due to accumulation of

Administration of angiotensin results in

Which of the following is NOT characteristic of the thiazide diuretics?

The most useful diuretic drugs act by

Which of the following drugs act by inhibiting renal reabsorption of sodium?

Digoxin exerts its positive inotropic effect by

Digitoxin is effective in the treatment of cardiac failure because it

The primary action of therapeutic doses of digitalis on cardiac muscle is an increase in

The beneficial effects of digitalis in congestive heart failure result in part from the fact that digitalis causes a. A decrease in end-diastolic volume b. A decrease in end-diastolic pressure c. An increase in stroke volume and cardiac output d. A decrease in central venous pressure e. A decrease in rate of the hear where tachycardia exists

The cardiac glycosides will increase the concentration of which ion in an active heart muscle?

Which of the following ions augments the inotropic effect of digitalis?

In the treatment of congestive heart failure, digitalis glycosides generally decrease all of the following EXCEPT

The mechanism of action of prazosin, an antihypertensive agent is to

Which of the following owes a significant amount of its antihypertensive effect to a central action?

Which of the following drugs is thought to reduce arterial blood pressure by activating alpha receptors in the vasomotor center of the medulla?

Propranolol (Inderal) can be useful in the treatment of hypertension because it blocks

One of the proposed mechanisms of the antihypertensive effect of beta-adrenergic receptor blocking agents is

Selective beta-1 adrenergic agonists will produce which of the following effects?

Ototoxicity with deafness may encountered occasionally in patients taking which of the following diuretic agents?

Ototoxicity with deafness may encountered occasionally in patients taking which of the following diuretic agents?

Symptoms of digitalis toxicity include all of the following EXCEPT