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 ["B","C"]

Explanation

Choice A rationale

Taking one dose immediately and continuing the regular schedule might not provide sufficient contraceptive protection after missing three days.

Choice B rationale

Using an alternative form of contraception for 7 days is appropriate to ensure continued contraceptive protection after missing doses.

Choice C rationale

Taking two doses over the next two days can help catch up, but using an additional form of contraception for 7 days is also recommended to ensure protection.

Choice D rationale

Continuing the medication as prescribed without any additional precautions could result in ineffective contraception due to the missed doses.

A. Hyperthyroidism. B. Hyperglycemia. C. Hypoglycemia. D. Hypothyroidism.

Correct Answer is A

Explanation

Choice A rationale

Propylthiouracil (PTU) is used to treat hyperthyroidism. It works by inhibiting the production of thyroid hormones, thereby reducing symptoms of hyperthyroidism such as rapid heart rate, sweating, and nervousness.

Choice B rationale

Propylthiouracil (PTU) is not used to treat hyperglycemia. Medications for hyperglycemia include insulin and oral hypoglycemic agents.

Choice C rationale

Propylthiouracil (PTU) is not indicated for hypoglycemia. Treatment for hypoglycemia typically includes glucose administration or glucagon.

Choice D rationale

Propylthiouracil (PTU) is not used to treat hypothyroidism. Hypothyroidism is treated with thyroid hormone replacement therapy, such as levothyroxine.

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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?

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Naxlex Comprehensive Predictor Exams

A client is prescribed ethinyl estradiol and drospirenone (Yasmin) to prevent pregnancy.The client missed three days of her medication.What is an appropriate client education for this client?

Correct Answer is ["B","C"]

Explanation

The nurse is caring for a new client that got admitted to the unit for fevers.The client takes propylthiouracil (PTU) at home.The nurse understands that the client is taking propylthiouracil (PTU) to treat which of the following conditions?

Correct Answer is A

Explanation

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