Nurs 5334 Pharmacology Exam 3 Study Guide

Postganglionic neurons within the autonomic nervous systems are classified as either cholinergic or adrenergic. True or False {Ans: True}Postganglionic neurons of the autonomic system are classified as either {Ans: Cholinergic or Adrenergic}Stimulation of the alpha 1 receptor causes which of the following responses: A. Bronchodilation B. Vasoconstriction C. Correct answer. D. Vasodilation E. Increased mucus production {Ans: B. Vasoconstriction}Stimulation of B1 receptors primarily affects the heart by-------------------- heart rate and contractility. {Ans: Increasing heart rate and contractility}Which of these physiological changes would not be considered part of the A. A. sympathetic fight-or-flight response? B. Increased sweating C. Increased gastric motility D. Dilated pupils E. Increased heart rate {Ans: C. Increased gastric motility}a. ---------beta blockers inhibit Beta 1 receptors and affect the heart only. b. -----------beta blockers block both Beta 1 and Beta 2 receptors thus affecting both the heart and lungs. {Ans: a. selective b. non-selective}