Nokea
Ciprofloxacin increases the toxicity of theophylline by
- A. Inhibiting metabolism
- B. Decreasing excretion
- C. Decrease seizure threshold
- D. Promote absorption
Correct Answer: B
Rationale: Ciprofloxacin reduces theophylline clearance, decreasing excretion.
You may also like to solve these questions
A nurse is teaching a client who has a new prescription for Diphenhydramine for allergic Rhinitis. The nurse should instruct the client to monitor for which of the following adverse reactions of this medication? (Select one that does not apply.)
- A. Dry mouth
- B. Nonproductive cough
- C. Urinary Hesitation
- D. Drowsiness
Correct Answer: B
Rationale: Diphenhydramine causes dry mouth , drowsiness , and urinary hesitation due to anticholinergic effects.
Beta-blockers decrease triglyceride levels and increase levels of HDL cholesterol.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: Beta-blockers typically increase triglycerides and decrease HDL cholesterol, opposite to the statement.
Choose the correct statement about ondansetron:
- A. It is a dopamine D2 receptor antagonist
- B. It suppresses postoperative nausea and vomiting
- C. It is the most effective antiemetic for motion sickness
- D. It is not effective by oral route
Correct Answer: B
Rationale: Ondansetron, a 5-HT3 receptor antagonist, effectively suppresses postoperative nausea and vomiting; it's less effective for motion sickness and is effective orally.
What would the nurse provide when preparing a patient for discharge and home medication self-administration?
- A. Personal contact information to use if the patient has questions
- B. Thorough medication teaching about drugs and the drug regimen
- C. Over-the-counter medications to use to treat potential adverse effects
- D. A sample size package of medication to take home until prescription is filled
Correct Answer: B
Rationale: The nurse is responsible for providing thorough medication teaching about drugs and the drug regimen to ensure the patient knows how to take the medication and when to notify the provider. The nurse never provides personal contact information to a patient. If adverse effects arise, the patient is taught to call the health care provider and should not self-medicate with over-the-counter drugs, which could mask serious symptoms. The nurse never dispenses medication because it must be properly labeled for home use; this is done by the pharmacy.
symptomatic and metabolic improvement. Until that time, which of the following might be administered adjunctively to suppress glucocorticoid synthesis?
- A. Cimetidine
- B. Cortisol (massive doses)
- C. Fludrocortisone
- D. Ketoconazole
Correct Answer: D
Rationale: Ketoconazole inhibits glucocorticoid synthesis by blocking adrenal steroidogenesis, useful in Cushing's syndrome management.