CHAPTER 17: CARDIAC STIMULANTS AND DEPRESSANTS

CHAPTER 17: CARDIAC STIMULANTS AND DEPRESSANTS

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. When assessing a client taking amiodarone, the nurse would be most concerned about toxicity, if the client manifested:

a.	urinary frequency.	c.	chest pain with deep inhalation.
b.	hematuria.	d.	wheezes with productive cough.

 

 

ANS:  C

 

	Feedback
A	Incorrect: This is not an adverse effect associated with amiodarone.
B	Incorrect: This is not an adverse effect associated with amiodarone.
C	Correct: This is a manifestation of amiodarone-induced pulmonary toxicity.
D	Incorrect: This is not an adverse effect associated with amiodarone.

 

 

PTS:   1                    REF:   p. 424            OBJ:   Cognitive Level: Application

 

2. The nurse understands that which of the following calcium channel blockers is approved for use as an antidysrhythmic agent?

a.	verapamil	c.	propranolol
b.	atenolol	d.	adenosine

 

 

ANS:  A

 

	Feedback
A	Correct: Verapamil and diltiazem are the only two calcium channel blockers that are approved as antidysrhythmic agents.
B	Incorrect: Atenolol is not a calcium channel blocker but a beta-adrenergic blocker.
C	Incorrect: Propranolol is not a calcium channel blocker but a beta-adrenergic blocker.
D	Incorrect: Adenosine is not a calcium channel blocker but is an antidysrhythmic agent.

 

 

PTS:   1                    REF:   p. 424            OBJ:   Cognitive Level: Comprehension

 

3. The nurse teaching a client home administration of digoxin will include which of the following in the teaching plan?

a.	The apical pulse should be taken before each digoxin dose.
b.	Digoxin can be taken with an antacid without it affecting absorption.
c.	Manufacturing differences can affect serum drug levels when switching brands.
d.	Take digoxin with potassium supplements each day.

 

 

ANS:  C

 

	Feedback
A	Incorrect: The radial or carotid pulse should be checked at home.
B	Incorrect: Antacids can affect digoxin absorption.
C	Correct: This is a true statement.
D	Incorrect: Potassium supplements should only be taken if prescribed due to hypokalemia.

 

 

PTS:   1                    REF:   p. 438            OBJ:   Cognitive Level: Application

 

4. The nurse is caring for a client with potentially life-threatening digoxin toxicity and prepares to administer:

a.	lidocaine.	c.	naltrexone.
b.	digoxin immune fab.	d.	potassium.

 

 

ANS:  B

 

	Feedback
A	Incorrect: This is not an antidote for digoxin toxicity.
B	Correct: This is the antidote for potentially life-threatening digoxin toxicity.
C	Incorrect: This is not an antidote for digoxin toxicity.
D	Incorrect: This is not an antidote for digoxin toxicity.

 

 

PTS:   1                    REF:   p. 418            OBJ:   Cognitive Level: Application

 

5. The nurse understands that under normal circumstances digoxin exerts which of the following effects?

a.	Å chronotropic; Æ dromotropic; Æ inotropic
b.	Æ chronotropic; Æ dromotropic; Å inotropic
c.	Æ chronotropic; Å dromotropic; Æ inotropic
d.	Å chronotropic; Å dromotropic; Å inotropic

 

 

ANS:  B

 

	Feedback
A	Incorrect: Digoxin slows and strengthens the heart rate.
B	Correct: Digoxin slows heart rate (negative chronotropic) and impulse conduction (negative dromotropic) and strengthens contractility (positive inotropic) of the heart.
C	Incorrect: Digoxin slows and strengthens the heart rate.
D	Incorrect: Digoxin slows (not increases) and strengthens the heart rate.

 

 

PTS:   1                    REF:   p. 416            OBJ:   Cognitive Level: Comprehension