McKenna's Pharmacology for Nursing, 2e

728

P A R T 8  Drugs acting on the cardiovascular system

5. A nurse or midwife would question an order for which of the following if the person was also receiving verapamil? a. oral contraceptives b. cyclosporin c. digoxin d. barbiturate anaesthetics 6. Variant angina occurs as a result of: a. electrolyte imbalance. b. a spasm of a coronary vessel. c. decreased venous return to the heart. d. a ventricular arrhythmia. 1. Treating angina involves modifying factors that could decrease myocardial oxygen consumption. It could be expected that this might include: a. weight loss. b. use of nitrates. c. use of angiotensin-converting-enzyme (ACE) inhibitors. d. activity modification. e. use of aspirin every day. f. use of a calcium channel blocker. 2. An acute myocardial infarction is usually associated with which of the following? a. permanent injury to the heart muscle b. potentially serious arrhythmias c. pain d. development of hypertension MULTIPLE RESPONSE Select all that apply.

3. When describing the action of antianginal drugs to a person, which of the following would the nurse or midwife include? a. decrease the workload on the heart b. increase the supply of oxygen to the heart c. change the metabolic pathway in the heart muscle to remove the need for oxygen d. restore the supply-and-demand balance of oxygen in the heart e. decrease venous return to the heart f. alter the coronary artery filling pathway 4. A person who has glyceryl trinitrate to avert an acute anginal attack would need to be taught: a. to take five or six tablets and then seek medical help if no relief occurs. b. to buy the tablets in bulk to decrease the cost. c. to protect tablets from light and humidity. d. to store the tablets in a clearly marked, clear container in open view. e. to use the glyceryl trinitrate before an event or activity that will most likely precipitate an anginal attack. f. to discard them if they do not fizzle when placed under the tongue.

e. loss of consciousness f. a feeling of anxiety