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.

Answer and Explanation

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.

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Correct Answer is A

Explanation

Choice A rationale

Lactated Ringers (LR) is an isotonic solution, which means it has the same osmolarity as blood plasma. This property makes LR suitable for rehydrating patients without causing a significant shift of fluids between compartments, maintaining the balance of electrolytes.

Choice B rationale

0.45% Sodium Chloride is a hypotonic solution, meaning it has a lower osmolarity compared to blood plasma. This type of solution would cause fluid to move into cells, potentially leading to cellular swelling.

Choice C rationale

Dextrose in Lactated Ringers is a hypertonic solution because the added dextrose increases the osmolarity. This solution can cause fluid to shift out of cells, leading to cellular shrinkage, which is not ideal for rehydration.

Choice D rationale

None of the above is incorrect because Lactated Ringers (LR) is indeed an isotonic solution.

A. Anaphylaxis. B. Insomnia. C. Motion sickness. D. Reduces effects of allergies, including sneezing, nasal itching, and runny nose.

Correct Answer is D

Explanation

Choice A rationale

Anaphylaxis is a severe, potentially life-threatening allergic reaction. Fluticasone is not used for treating anaphylaxis.

Choice B rationale

Insomnia is a sleep disorder. Fluticasone is not used for treating insomnia.

Choice C rationale

Motion sickness is a condition that occurs in response to certain kinds of movement. Fluticasone is not used for treating motion sickness.

Choice D rationale

Fluticasone (Flonase) is a corticosteroid used to reduce the effects of allergies, including sneezing, nasal itching, and runny nose. It works by reducing inflammation in the nasal passages.

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A nurse is caring for a client who is prescribed ciprofloxacin for bacteremia.What is the mechanism of action for this medication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is preparing to administer hydration via an intravenous route to a client. The nurse understands that the patient needs an isotonic solution. Which of the following options is considered an isotonic solution?

Correct Answer is A

Explanation

A client has a new prescription for fluticasone (Flonase). Which of the following is a therapeutic use for this medication?

Correct Answer is D

Explanation

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