NCLEX-RN Question #269: Real Exam Question with Answer & Explanation

The correct answer is D. 3.0 ng/mL. (A) 0.5 ng/mL of digoxin is a subtherapeutic level, not a toxic one. (B) 1.0 ng/mL is a therapeutic level. (C) 2.0 ng/mL is a therapeutic level. (D) Digoxin's therapeutic level is 0.8-2.0 ng/mL. Digoxin's toxic level is>;2.0 ng/mL.

Question

A client has received digoxin 0.25 mg po daily for 2 weeks. Which of the following digoxin levels indicates toxicity?

Options

A0.5 ng/mL
B1.0 ng/mL
C2.0 ng/mL
D3.0 ng/mL

Explanation

(A) 0.5 ng/mL of digoxin is a subtherapeutic level, not a toxic one. (B) 1.0 ng/mL is a therapeutic level. (C) 2.0 ng/mL is a therapeutic level. (D) Digoxin's therapeutic level is 0.8-2.0 ng/mL. Digoxin's toxic level is>;2.0 ng/mL.

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