A newly admitted client takes digoxin 0.25 b. 0.5 to 2.0 ng/mL
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
The client's serum digoxin level is 3.0 ng/mL. a. It is in the high (elevated) range.
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.
d. It is in the low average range.
4/16/2026, 12:59:57 PM
,Med Surg Exam 2 Pharmacology Unit 3 NCLEX Questions
The nurse is assessing the client for possible d. Pulse below 60 beats/min and irregular rate
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
4/16/2026, 12:59:57 PM
,Med Surg Exam 2 Pharmacology Unit 3 NCLEX Questions
The client is also taking a diuretic that a. Increase the serum digoxin sensitivity level
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
d. Cause a low average serum digoxin
sensitivity level
When a client first takes a nitrate, the nurse b. Headaches
expects which symptom that often occurs?
a. Nausea and vomiting
b. Headaches
c. Stomach cramps
d. Irregular pulse rate
4/16/2026, 12:59:57 PM
, Med Surg Exam 2 Pharmacology Unit 3 NCLEX Questions
The nurse acknowledges that beta blockers c. Decrease heart rate and decrease myocardial contractility.
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.
4/16/2026, 12:59:57 PM