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Author Question: A nurse is discussing the pressure generated at the end of diastole. Which term is the nurse ... (Read 288 times)

WhattoUnderstand

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on: Jun 25, 2018
A nurse is discussing the pressure generated at the end of diastole. Which term is the nurse de-scribing?
 
  a. Preload
  b. Afterload
  c. Systemic vascular resistance
  d. Total peripheral resistance

Question 2

After activation of the Bainbridge reflex in a patient, the nurse assesses for:
 
  a. increased heart rate.
  b. decreased blood pressure.
  c. increased rate and depth of respirations.
  d. decreased myocardial contractility.


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joshbk44

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

ANS: A
Preload, not afterload, is the volume and associated pressure generated in the ventricle at the end of diastole. Afterload is the resistance to ejection of blood from the left ventricle.
Systemic vascular resistance is related to afterload. Total peripheral resistance increases afterload.

Answer to Question 2

ANS: A
Activation of the Bainbridge reflex increases heart rate. It does not decrease blood pressure, it does not increase rate and depth of respirations, and it does not decrease myocardial contractili-ty.


WhattoUnderstand

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

brbarasa

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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