10 quiz

10 quiz - Lesson 10 Quiz Worksheet Print this file and work...

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Lesson 10 Quiz Worksheet Print this file and work on these questions. Then submit your answers in Blackboard’s “Quizzes” section. Note: Once you log in to the quiz on Blackboard and begin entering your answers, do not log off until you have completed the quiz. True/ False (Each is worth 3 points.) Decide whether each of the following statements is true or false. 1. ____ Blocking beta receptors in the heart will exert positive inotropic, dromotropic, and chronotropic effects. 2. ____ Vascular smooth muscle cells of most blood vessels have alpha receptors, and activation of vascular smooth muscle alpha receptors causes vasoconstriction. 3. _____ Drugs that block the action of norepinephrine and epinephrine on alpha receptors (alpha adrenergic antagonists or alpha-blockers) dilate most blood vessels. 4. ____ Some blood vessels have beta receptors, and activation of vascular smooth muscle beta receptors causes vasodilation. 5. ____ Drugs that block the action of norepinephrine and epinephrine on beta receptors (beta adrenergic antagonists or beta-blockers) dilate most blood vessels. 6. Matching (14 points total; partial credit allowed) Consider the blood supply to a muscle in the leg and assume that cardiac output does not change. Match the appropriate change to the following. a. increase b. decrease c. stay the same a. Constriction of the muscle’s arterioles will _____ blood flow through the muscle. b.
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This note was uploaded on 06/14/2011 for the course PHYI 202 taught by Professor Shea during the Summer '09 term at UNC.

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10 quiz - Lesson 10 Quiz Worksheet Print this file and work...

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