Nokea
A nurse is administering digoxin to a patient. To administer medications so that the drug is as effective as possible, the nurse needs to consider what?
- A. Peak plasma level
- B. Half-life
- C. Drug interactions
- D. Timing of administration
Correct Answer: D
Rationale: To maximize digoxin's effectiveness, the nurse must consider timing of administration to align with therapeutic levels and avoid toxicity, especially given its narrow therapeutic index. Peak plasma level, half-life, and drug interactions are factors, but timing is critical for efficacy.
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B-Blockers are contra indicated in
- A. Hypertension
- B. Congestive cardiac failure
- C. Anxiety states
- D. Hyperthyroidis m
Correct Answer: B
Rationale: Beta-blockers worsen congestive heart failure.
Probiotics are recommended to be co-administered when are prescribed:
- A. Antacids
- B. Antihypertensives
- C. Antidiarrheals
- D. Antibiotics
Correct Answer: D
Rationale: Probiotics help restore gut flora disrupted by antibiotics.
A nurse is providing teaching to a client who has a new prescription for Buspirone to treat Anxiety. Which of the following information should the nurse include?
- A. Take this medication on an empty stomach
- B. Expect optimal therapeutic effects within 24 hr.
- C. Take this medication when needed for anxiety
- D. This medication has a low risk for dependency.
Correct Answer: D
Rationale: Buspirone has a low dependency risk , unlike benzodiazepines; it takes weeks to work, not PRN.
A patient is diagnosed with histoplasmosis and will begin taking ketoconazole. What information will the nurse include when teaching this patient about this medication?
- A. Take the medicine twice daily
- B. Take the medication with food
- C. You may consume small amounts of alcohol
- D. You will not need lab tests while taking this drug
Correct Answer: B
Rationale: Ketoconazole absorption improves with food; it's once daily, and alcohol or no labs are incorrect. Ketoconazole should be taken with food.
Metformin is a primary choice of drug to treat hyperglycemia in type 2 diabetes because it:
- A. Substitutes for insulin usually secreted by the pancreas
- B. Decreases glycogenolysis by the liver
- C. Increases the release of insulin from beta cells
- D. Decreases peripheral glucose utilization
Correct Answer: B
Rationale: Metformin reduces hepatic glucose output (glycogenolysis), key in type 2 diabetes; it doesn't mimic insulin or increase release .