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    Biology
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    Human Anatomy and Physiology
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    Exam 18: The Cardiovascular System: the Heart
  5. Question
    Norepinephrine Acts on the Heart by ________
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Norepinephrine Acts on the Heart by ________

Question 56

Question 56

Multiple Choice

Norepinephrine acts on the heart by ________.


A) causing threshold to be reached more quickly
B) blocking the action of calcium
C) causing a decrease in stroke volume
D) decreasing heart contractility

Correct Answer:

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