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Exam (elaborations)

Hemodynamics NR341 Exam Questions With Correct Answers

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  • NR 341
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  • NR 341

Hemodynamics NR341 Exam Questions With Correct Answers Blood pressure= ___________ X ____________ - answercardiac output x peripheral resistance Cardiac output= _____ x _____ - answerheart rate x stroke volume Stroke volume - answerThe volume of blood pumped from a ventricle of the heart in on...

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  • September 17, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • NR 341
  • NR 341
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Hemodynamics NR341 Exam Questions With
Correct Answers


Blood pressure= ___________ X ____________ - answer✔cardiac output x peripheral
resistance

Cardiac output= _____ x _____ - answer✔heart rate x stroke volume

Stroke volume - answer✔The volume of blood pumped from a ventricle of the heart in one beat

Systemic Vascular Resistance (SVR) - answer✔The resistance that blood must overcome to be
able to move within the blood vessels. SVR is related to the amount of dilation or constriction in
the blood vessel.

Pulmonary Vascular Resistance (PVR) - answer✔Opposition encountered by the right ventricle

Preload - answer✔The precontraction pressure in the heart as the volume of blood builds up.

Afterload - answer✔the pressure that the heart must work against to eject blood during systole.

Pulmonary artery wedge pressure (PAWP) - answer✔Reflects left ventricular end diastolic
pressure. 8-12 mmHg

Central Venous Pressure (CVP) - answer✔The pressure of blood in the thoracic vena cava, near
the right atrium of the heart; reflects the amount of blood returning to the heart and the ability of
the heart to pump the blood into the arterial system.
*Central venous pressure is considered a direct measurement of the blood pressure in the right
atrium and vena cava
2-6 mmHg

What increases afterload? - answer✔hypertension and atherosclerosis

What decreases afterload? - answer✔The afterload can be decreased by any process that lowers
blood pressure.

What are inotropes? - answer✔factors that influence myocardial contractility
Dopamine.

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