Exam 2: NR341 NR 341 Latest

Exam 2: NR341 / NR 341 (Latest

Update 2025 / 2026) Complex Adult Health | Questions & Answers | Grade A | 100% Correct - Chamberlain

Question:

Factors affecting heart rate include

Answer:

the autonomic nervous system, temperature, certain medications

Question:

Factors affecting stroke volume include

Answer:

preload, afterload, and contractility

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Question:

Preload

Answer:

VOLUME

of blood in ventricles at end of diastole, before the next contraction

it determines the amount of stretch placed on the myocardial fibers

Question:

Preload (CVP and PAP) decreases with (what shock)

Answer:

hypovolemia shock anaphylactic shock septic chock

Question:

preload (CVP and PAP) increases with (what shock)

Answer:

cardiogenic shock obstructive shock

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Question:

Preload Treatment

Answer:

Aldosterone antagonists, diuretics, decrease Na+ and fluid intake

Question:

Afterload

Answer:

The force or resistance against which the heart pumps.

Question:

afterload increased in

Answer:

hypertension, vasoconstriction

Question:

Afterload decreases with

Answer:

vasodilation and dehydration.

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Question:

Afterload Treatment

Answer:

ACE inhibitors, ARBs, Beta Blockers

Question:

positive inotropic agents

Answer:

substances that increase contractility

Question:

Central Venous Pressure (CVP)

Answer:

reflects the amount of blood returning to the heart and the ability of the heart to pump the blood into the arterial system

**measurement of preload right side of heart 2-6 mmHg

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