Week 13: Chapter 46 - Vasodilators

Question 1

Identify the main pharmacologic causes of vasodilation. Also, state the drugs (or drug classes) that have vasodilator action and describe how they cause blood vessels to dilate.

Answer 1

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Question 2

Explain how reducing afterload and preload can help a patient with hypertension or heart failure.

Answer 2

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Question 3

Describe how excessive vasodilation can cause adverse effects that can actually worsen many of the conditions for which vasodilators are given

Answer 3

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Question 4

State the expected compensatory cardiac and renal responses that occur when a drug that does nothing but dilate arterioles is given and identify adjunctive drugs that might be used to control those responses.

Answer 4

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Question 5

Describe the metabolism of nitroprusside. Also, state precautions that need to be taken to ensure it is administered as safely as possible and explain the process of monitoring for its desired and adverse effects.

Answer 5

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Question 6

Describe clinical settings in which diazoxide might be indicated (parenteral administration) and the likely adverse responses to it (cardiovascular and otherwise).

Answer 6

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Question 7

Capacitance Vessels

Answer 7

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Question 8

Nitric Oxide

Answer 8

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Question 9

Resistance Vessels

Answer 9

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Question 10

Systemic Lupus Erythematosus-Like Syndrome

Answer 10

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Question 11

Hydralazine

Answer 11

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Question 12

Sodium Nitroprusside

Answer 12

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Question 13

Juxtaglomerular Cells

Answer 13

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