ATI LPN
Roach's Introductory Clinical Pharmacology 11th Edition
Chapter 24 Questions
Question 1 of 5
After teaching a group of nursing students about sympatholytic drugs, the instructor determines that the teaching was successful when the students identify which of the following as an example?
Correct Answer: B,C
Rationale: a- and b-adrenergic blockers are classified as sympatholytic drugs.
Question 2 of 5
A nurse would administer phentolamine to a client diagnosed with which condition?
Correct Answer: A,C,E
Rationale: Phentolamine is an a-adrenergic blocker used in the treatment of pheochromocytoma-induced hypertension and preoperative hypertension and in the prevention and treatment of tissue damage caused by extravasation of dopamine.
Question 3 of 5
A nurse would administer phentolamine cautiously to a client with which condition?
Correct Answer: A,C
Rationale: Phentolamine is an a-adrenergic blocker that should be used cautiously in clients who are pregnant or lactating, had a recent MI, or have renal failure or Reynaud's disease.
Question 4 of 5
A nurse recognizes the class of medication being administered to help plan ongoing assessment and client education. The nurse would identify which drug as an example of a b-adrenergic blocker?
Correct Answer: B,C,D
Rationale: Propranolol, metoprolol, and atenolol are b-adrenergic blockers, but carvedilol and labetalol are a/b-adrenergic blockers.
Question 5 of 5
A nurse understands that while most b-adrenergic receptors are found in the heart, they are also commonly found in which other organs?
Correct Answer: B,D
Rationale: b-adrenergic receptors are also found in the eyes and lungs. The blockage of these receptors can be beneficial in treatment of glaucoma or cause adverse reactions in the lungs (bronchospasms).