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Author Question: A nurse is evaluating stroke volume. Which of the following factors affect stroke volume? (select ... (Read 177 times)

Lisaclaire

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on: Jun 25, 2018
A nurse is evaluating stroke volume. Which of the following factors affect stroke volume? (select all that apply)
 
  a. Preload
  b. Peripheral vascular resistance
  c. Afterload
  d. Ejection fraction
  e. Contractility

Question 2

A 50-year-old was prescribed a drug that acts as a negative inotrope. Which endogenous sub-stances would be most similar?
 
  a. Acetylcholine
  b. Dopamine
  c. Epinephrine
  d. Thyroid hormone


Anonymous

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: A, C, E
Preload, afterload, and contractility affect stroke volume.

Answer to Question 2

ANS: A
The most important negative inotropic agent is acetylcholine. Dopamine, epinephrine, and thyroid hormone are positive inotropes.


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Lisaclaire

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Reply #2 on: Jun 25, 2018
Correct answers!


Anonymous

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Reply #3 on: Jun 25, 2018
Great! Please up vote :D


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