NCLEX Pharmacology Quiz 15 Cardiovascular Drugs

One of the effects of calcium channel blockers is to decrease peripheral vascular resistance. A. C. and D describe the opposite effects of calcium channel blockers.

Hypotension is more likely to occur in the elderly. Choices A. B. and C may occur but are not necessarily increased in frequency in elderly clients.

Nifedipine has the strongest peripheral smooth muscle dilator effect of all the calcium channel blockers. Other choices have less of a vasodilator effect.

ß blockers should be avoided in bronchoconstrictive disease. B. C. and D are indications for the use of ß blockers.

ß blockers influence glucose metabolism. Although A. C. and D are nice to have. there is no indication that routine assessment of thyrotropin. sodium. or creatine phosphokinase is needed.

Verapamil (Calan) has the strongest chronotropic effect and will cause a delay in conduction at the SA and AV nodes.

Dobutamine (Dobutrex) is not used to treat arrhythmias. Choices A. B. and D are conditions are conditions that respond to dobutamine.

Unless the client has a history of pulmonary disease and pulmonary function tests are indicated. there is no need to include this in the routine assessment of the client taking ß blockers.

Nimodipine is given in the neurologic client to prevent cerebral vasospasm. Choices A. C. and D are given in cardiac disease and in the management of hypertension only.

Catecholamine receptor sites are blocked by the action of ß-blocking agents. Adrenergic sites may be blocked. but the more appropriate response is catecholamine receptors. Acetylcholine is not affected by ß blockers. Norepinephrine is a catecholamine.