Week 13: Chapter 43 - Hemodynamics

Question 1

Summarize the main physiologic roles of the pulmonary and systemic circulatory systems, particularly as they affect blood pressure and venous return to the heart.

Answer 1

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Question 2

Describe the process that contributes to venous return.

Answer 2

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Question 3

Write the equation used to calculate cardiac output, and state the main physiologic and pathophysiologic factors that can affect (increase or decrease) each of the two elements that determine cardiac output.

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Question 4

State the main neural and hormonal controls over blood pressure. State the endogenous chemicals that help regulate arterial blood pressure.

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Question 5

Compare and contrast the roles and mechanisms of the renin-angiotensin-aldosterone system (RAAS) and the autonomic nervous system (ANS) with respect to regulating hemodynamics.

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Question 6

Explain how increases in the arterial pressure (AP) can affect overall hemodynamics and ultimately lead to congestive heart failure.

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Question 7

Afterload

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Question 8

Baroreceptor

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Question 9

B-natriuretic peptide

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Question 10

Cardiac Output

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Question 11

End-Diastolic Volume

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Question 12

Peripheral Resistance

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Question 13

Preload

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Question 14

Renin-Angiotensis-Aldosterone System

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Question 15

Sterling’s Law

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Question 16

Stroke Volume

Answer 16

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Question 17

Systemic Filling Pressure

Answer 17

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