A nurse is caring for a client who is prescribed ciprofloxacin for bacteremia.What is the mechanism of action for this medication?
This medication is bactericidal due to inhibition of an enzyme necessary for DNA replication.
This medication accelerates bacterial growth.
This medication is a diuretic that works on the distal tubule of the nephron.
This medication is a beta-blocker that blocks beta-2 receptors, which results in a lower heart rate and blood pressure.
The Correct Answer is A
Choice A rationale
Ciprofloxacin is a bactericidal antibiotic that works by inhibiting DNA gyrase, an enzyme necessary for DNA replication in bacteria. This prevents bacterial cells from replicating and ultimately leads to their death.
Choice B rationale
Ciprofloxacin does not accelerate bacterial growth; instead, it inhibits growth by preventing DNA replication.
Choice C rationale
Ciprofloxacin is not a diuretic. Diuretics work on the kidneys to increase urine production, but ciprofloxacin targets bacterial DNA replication.
Choice D rationale
Ciprofloxacin is not a beta-blocker and does not lower heart rate or blood pressure. Beta-blockers work by blocking beta-adrenergic receptors in the heart.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Raloxifene is a selective estrogen receptor modulator (SERM) used to prevent and treat osteoporosis in postmenopausal women by mimicking estrogen's beneficial effects on bone density.
Choice B rationale
Heparin is an anticoagulant used to prevent and treat blood clots, not osteoporosis.
Choice C rationale
Digoxin is a cardiac glycoside used to treat heart failure and arrhythmias, not osteoporosis.
Choice D rationale
Warfarin is an anticoagulant used to prevent blood clots and not indicated for osteoporosis treatment.
Correct Answer is A
Explanation
Choice A rationale
Opioid toxicity triad includes symptoms of pinpoint pupils, respiratory depression, and coma. These symptoms are indicative of a morphine sulfate overdose.
Choice B rationale
Orthostatic hypotension is a form of low blood pressure that happens when standing up from sitting or lying down. It is not related to opioid toxicity.
Choice C rationale
Hypertension is high blood pressure. It is not related to opioid toxicity.
Choice D rationale
Abstinence syndrome is a group of symptoms that occur upon the abrupt discontinuation or decrease in intake of medications or recreational drugs. It is not the appropriate complication for the client's presentation. .
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