A nurse is providing an in-service to clients with postmenopausal osteoporosis.
Which of the following medications is used to prevent and treat postmenopausal osteoporosis?

Choice A rationale

Azithromycin can prolong the QT interval, leading to potential cardiac arrhythmias. Patients with a history of prolonged QT interval or other heart conditions should be monitored closely.

Choice B rationale

Constipation is not commonly associated with azithromycin use. Gastrointestinal side effects may include diarrhea or nausea but not constipation.

Choice C rationale

While tachycardia can be a side effect of some medications, azithromycin is more commonly associated with QT prolongation rather than causing increased heart rate directly.

Choice D rationale

Hyperkalemia is not typically a concern with azithromycin. Electrolyte imbalances are not a common side effect of this antibiotic.

Choice A rationale

Combining multiple hepatotoxic medications increases the risk of liver damage due to cumulative toxicity effects.

Choice B rationale

Liver damage impairs the liver's ability to metabolize medications, leading to medication accumulation and potential adverse effects.

Choice C rationale

Combining hepatotoxic medications does not decrease the risk of liver damage; it increases it, as multiple toxic agents compound the stress on the liver.

Choice D rationale

Common manifestations of hepatotoxicity include symptoms like nausea, vomiting, jaundice, dark urine, abdominal discomfort, and anorexia, indicating liver dysfunction.