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Author Question: Which of the following is defined as the resistance that a ventricle must overcome to eject blood? ... (Read 66 times)

mpobi80

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on: Jul 16, 2018
Which of the following is defined as the resistance that a ventricle must overcome to eject blood?
 
  a. Stroke work c. Ventricular preload
  b. Stroke index d. Ventricular after-load

Question 2

The display from the proximal port of a pulmonary artery catheter reads 12 cm H2O. This meas-urement is which of the following?
 
  a. Stroke work index c. Pulmonary artery pressure
  b. Central venous pressure d. Pulmonary capillary wedge pressure


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xthemafja

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Afterload represents the resistance the ventricles must overcome to eject blood. Stroke work is defined as the force that a ventricle must produce to move a volume of blood. Stroke index refers to stroke work indexed to the BSA of the patient. Preload is defined as the filling pressure of the ventricles at the end of ventricular diastole.

Answer to Question 2

ANS: B
The measurement made at the proximal port of a pulmonary artery catheter is the central venous pressure.


mpobi80

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Reply 2 on: Jul 16, 2018
Gracias!

Dominic

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Reply 3 on: Yesterday
Excellent

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