The nurse is assessing therapeutic blood levels for a client receiving lithium (Lithobid). The nurse should recognize which of the following levels as toxic for this drug?

0.25 mEq/L to 1 mEq/L

0.2 mEq/L to 0.4 mEq/L

1.5 mEq/L to 2 mEq/L

0.5 mEq/L to 1.0 mEq/L

Answer and Explanation

The Correct Answer is C

A. Levels in this range are generally considered therapeutic for lithium.
B. Levels in this range are typically below the therapeutic range for lithium.
C. Lithium levels in the range of 1.5 mEq/L to 2 mEq/L are considered toxic and require intervention.
D. Levels in this range are generally within the therapeutic range for lithium.

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Correct Answer is B

Explanation

A. Enoxaparin is often used to treat or prevent DVT, so this would not prevent administration.
B. A bleeding disorder is a contraindication for enoxaparin due to the increased risk of hemorrhage.
C. A heart rate of 60 is within normal limits and does not contraindicate enoxaparin use.
D. Enoxaparin is used to treat and prevent PE, so this condition would not prevent its administration.

A. Hyperglycemia event B. Captopril (Capoten) side effect C. Verapamil (Calan) side effect D. Digoxin (Lanoxin) toxicity

Correct Answer is D

Explanation

A. Hyperglycemia typically does not cause blurry vision and yellow/green halos.
B. Captopril (Capoten) is an ACE inhibitor and is not associated with visual disturbances like halos.
C. Verapamil (Calan) is a calcium channel blocker and does not typically cause visual symptoms such as halos.
D. Digoxin (Lanoxin) toxicity can lead to visual disturbances, including blurry vision and seeing yellow/green halos, which are classic signs of toxicity.

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The nurse is assessing therapeutic blood levels for a client receiving lithium (Lithobid). The nurse should recognize which of the following levels as toxic for this drug?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is preparing to administer enoxaparin (Lovenox) to a client before hip replacement surgery. Which of the following conditions would prevent the nurse from administering this drug?

Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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