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A nurse in a community clinic is caring for a client who requests assistance with smoking cessation. The nurse should expect a prescription for which of the following medications?

A.

Naltrexone

B.

Chlordiazepoxide

C.

Clonidine

D.

Bupropion

Answer and Explanation

The Correct Answer is D

A. Naltrexone. This medication is used for opioid and alcohol use disorders. It helps reduce cravings and the pleasurable effects of those substances but is not indicated for smoking cessation.
B. Chlordiazepoxide. This is a benzodiazepine used to manage alcohol withdrawal symptoms, such as anxiety, tremors, and agitation. It is not appropriate for treating nicotine dependence.
C. Clonidine. Although primarily used for hypertension, clonidine has been used off-label to manage symptoms of opioid or nicotine withdrawal. However, it is not the first-line agent for smoking cessation.
D. Bupropion. This is an antidepressant also approved for smoking cessation. It helps reduce nicotine cravings and withdrawal symptoms and is often prescribed under the brand name Zyban for this purpose.


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Related Questions

Correct Answer is B

Explanation

A. Premature atrial complexes. These are early electrical impulses originating in the atria that cause premature heartbeats, but they do not consistently lengthen the P-R interval. The P-R interval usually remains within normal limits unless another condition is present.
B. First-degree atrioventricular (AV) block. A constant P-R interval longer than 0.20 seconds (normal range: 0.12–0.20 seconds) is characteristic of a first-degree AV block. A P-R interval of 0.35 seconds indicates a prolonged conduction delay through the AV node, consistent with this dysrhythmia.
C. Complete heart block. In complete (third-degree) heart block, there is no consistent relationship between P waves and QRS complexes, and the P-R interval is not constant. This is not consistent with a stable, prolonged P-R interval.
D. Atrial fibrillation. Atrial fibrillation is marked by irregularly irregular rhythm and absent, unidentifiable P waves, not a consistent P-R interval. The atria are quivering, not contracting in a coordinated way.

Correct Answer is ["2"]

Explanation

Desired dose = 50 mcg

Available strength = 0.025 mg/tablet

  • Convert desired dose to milligrams (mg):

1 mg = 1000 mcg

50 mcg / 1000 mcg/mg = 0.05 mg

  • Calculate the number of tablets:

Number of tablets = Desired dose (mg) / Available strength (mg/tablet)

= 0.05 mg / 0.025 mg/tablet

= 2 tablets

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