Pharmacology Cardiovascular Drugs
NClex Questions with Correct Answers
A newly admitted client takes digoxin 0.25 mg/day. The nurse knows that which is
the serum therapeutic range for digoxin?
a. 0.1 to 1.5 ng/mL
b. 0.5 to 2.0 ng/mL
c. 1.0 to 2.5 ng/mL
d. 2.0 to 4.0 ng/mL - ....ANSWER ...-b. 0.5 to 2.0 ng/mL
The client's serum digoxin level is 3.0 ng/mL. What does the nurse know about
this serum digoxin level?
a. It is in the high (elevated) range.
b. It is in the low (decreased) range.
c. It is within the normal range.
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,d. It is in the low average range. - ....ANSWER ...-a. It is in the high
(elevated) range.
The nurse is assessing the client for possible evidence of digitalis toxicity. The
nurse acknowledges that which is included in the signs and symptoms for digitalis
toxicity?
a. Pulse (heart) rate of 100 beats/min
b. Pulse of 72 with an irregular rate
c. Pulse greater than 60 beats/min and irregular rate
d. Pulse below 60 beats/min and irregular rate - ....ANSWER ...-d. Pulse
below 60 beats/min and irregular rate
The client is also taking a diuretic that decreases her potassium level. The nurse
expects that a low potassium level (hypokalemia) could have what effect on the
digoxin?
a. Increase the serum digoxin sensitivity level
b. Decrease the serum digoxin sensitivity level
c. Not have any effect on the serum digoxin sensitivity level
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,d. Cause a low average serum digoxin sensitivity level - ....ANSWER ...-a.
Increase the serum digoxin sensitivity level
When a client first takes a nitrate, the nurse expects which symptom that often
occurs?
a. Nausea and vomiting
b. Headaches
c. Stomach cramps
d. Irregular pulse rate - ....ANSWER ...-b. Headaches
The nurse acknowledges that beta blockers are as effective as antianginals because
they do what?
a. Increase oxygen to the systemic circulation.
b. Maintain heart rate and blood pressure.
c. Decrease heart rate and decrease myocardial contractility.
d. Decrease heart rate and increase myocardial contractility. -
....ANSWER ...-c. Decrease heart rate and decrease myocardial contractility.
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, The health care provider is planning to discontinue a client's beta blocker. What
instruction should the nurse give the client regarding the beta blocker?
a. The beta blocker should be abruptly stopped when another cardiac drug is
prescribed.
b. The beta blocker should NOT be abruptly stopped; the dose should be tapered
down.
c. The beta blocker dose should be maintained while taking another antianginal
drug.
d. Half the beta blocker dose should be taken for the next several weeks. -
....ANSWER ...-b. The beta blocker should NOT be abruptly stopped; the
dose should be tapered down.
The beta blocker acebutolol (Sectral) is prescribed for dysrhythmias. The nurse
knows that what is the primary purpose of the drug?
a. To increase the beta1 and beta2 receptors in the cardiac tissues
b. To increase the flow of oxygen to the cardiac tissues
c. To block the beta1-adrenergic receptors in the cardiac tissues
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NClex Questions with Correct Answers
A newly admitted client takes digoxin 0.25 mg/day. The nurse knows that which is
the serum therapeutic range for digoxin?
a. 0.1 to 1.5 ng/mL
b. 0.5 to 2.0 ng/mL
c. 1.0 to 2.5 ng/mL
d. 2.0 to 4.0 ng/mL - ....ANSWER ...-b. 0.5 to 2.0 ng/mL
The client's serum digoxin level is 3.0 ng/mL. What does the nurse know about
this serum digoxin level?
a. It is in the high (elevated) range.
b. It is in the low (decreased) range.
c. It is within the normal range.
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,d. It is in the low average range. - ....ANSWER ...-a. It is in the high
(elevated) range.
The nurse is assessing the client for possible evidence of digitalis toxicity. The
nurse acknowledges that which is included in the signs and symptoms for digitalis
toxicity?
a. Pulse (heart) rate of 100 beats/min
b. Pulse of 72 with an irregular rate
c. Pulse greater than 60 beats/min and irregular rate
d. Pulse below 60 beats/min and irregular rate - ....ANSWER ...-d. Pulse
below 60 beats/min and irregular rate
The client is also taking a diuretic that decreases her potassium level. The nurse
expects that a low potassium level (hypokalemia) could have what effect on the
digoxin?
a. Increase the serum digoxin sensitivity level
b. Decrease the serum digoxin sensitivity level
c. Not have any effect on the serum digoxin sensitivity level
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
,d. Cause a low average serum digoxin sensitivity level - ....ANSWER ...-a.
Increase the serum digoxin sensitivity level
When a client first takes a nitrate, the nurse expects which symptom that often
occurs?
a. Nausea and vomiting
b. Headaches
c. Stomach cramps
d. Irregular pulse rate - ....ANSWER ...-b. Headaches
The nurse acknowledges that beta blockers are as effective as antianginals because
they do what?
a. Increase oxygen to the systemic circulation.
b. Maintain heart rate and blood pressure.
c. Decrease heart rate and decrease myocardial contractility.
d. Decrease heart rate and increase myocardial contractility. -
....ANSWER ...-c. Decrease heart rate and decrease myocardial contractility.
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, The health care provider is planning to discontinue a client's beta blocker. What
instruction should the nurse give the client regarding the beta blocker?
a. The beta blocker should be abruptly stopped when another cardiac drug is
prescribed.
b. The beta blocker should NOT be abruptly stopped; the dose should be tapered
down.
c. The beta blocker dose should be maintained while taking another antianginal
drug.
d. Half the beta blocker dose should be taken for the next several weeks. -
....ANSWER ...-b. The beta blocker should NOT be abruptly stopped; the
dose should be tapered down.
The beta blocker acebutolol (Sectral) is prescribed for dysrhythmias. The nurse
knows that what is the primary purpose of the drug?
a. To increase the beta1 and beta2 receptors in the cardiac tissues
b. To increase the flow of oxygen to the cardiac tissues
c. To block the beta1-adrenergic receptors in the cardiac tissues
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 4
