NCLEX Pharmacology: Cardiovascular Medications 2

Question 1

A patient on digoxin reports nausea, visual halos, and a heart rate of 52 bpm. What should the nurse suspect?

Accepted Answer

Digoxin toxicity

Answer

Nausea, yellow-green halos, and bradycardia are classic signs of digoxin toxicity.

Question 2

Before administering digoxin, the nurse should assess which electrolyte because its imbalance increases toxicity risk?

Accepted Answer

Potassium

Answer

Hypokalemia increases the risk of digoxin toxicity.

Question 3

What is the antidote for severe, life-threatening digoxin toxicity?

Accepted Answer

Digoxin immune Fab (Digibind)

Answer

Digoxin immune Fab binds and neutralizes digoxin in severe toxicity.

Question 4

The nurse should hold a digoxin dose and notify the provider if an adult's apical pulse is below what rate?

Accepted Answer

60 bpm

Answer

Digoxin is held if the apical pulse is below 60 bpm in an adult.

Question 5

Digoxin produces which therapeutic effect on the heart?

Accepted Answer

Increased contractility and decreased heart rate

Answer

Digoxin has a positive inotropic and negative chronotropic effect.

NCLEX Practice Test