All increase dopaminergic transmission except
- A. Bromocriptine
- B. Metoclopramide
- C. Chlorpromazine
- D. Reserpine
Correct Answer: B
Rationale: Metoclopramide blocks dopamine receptors; others affect dopamine differently.
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All of following drugs are metabolized in body by acetylation except:
- A. INH
- B. Hydralazine
- C. Procainamide
- D. Dilantin
Correct Answer: D
Rationale: Dilantin (phenytoin) is metabolized by hydroxylation, not acetylation.
Patients receiving heparin therapy require monitoring of:
- A. Platelets every 2 to 3 days for thrombocytopenia that may occur on day 4 of therapy
- B. Electrolytes for elevated potassium levels in the first 24 hours of therapy
- C. INR throughout therapy to stay within the range of 2.0
- D. Blood pressure for hypertension that may occur in the first 2 days of treatment
Correct Answer: A
Rationale: Heparin can cause thrombocytopenia (HIT) around day 4, requiring platelet checks; INR is for warfarin, not heparin.
The following adverse effects are associated with niacin EXCEPT:
- A. Flushing and itching
- B. Hypercuricemia
- C. Hyperglycemia
- D. Pellagra
Correct Answer: D
Rationale: Pellagra is caused by niacin deficiency, not an adverse effect of niacin therapy.
The nurse is caring for a patient who takes several drugs. What patient would the nurse monitor most closely because of an increased risk for adverse effects of medications?
- A. The school-aged child
- B. The obese middle-aged man
- C. The adolescent
- D. The newborn infant
Correct Answer: D
Rationale: Newborns have immature organs, increasing risk for adverse effects from multiple drugs.
Discharge summaries using information technology have several advantages. They can:
- A. Replace the need for oral instruction because the patient has printed material to read at home
- B. Be filed with the patient's chart to document patient teaching
- C. Both 1 and 2
- D. Neither 1 nor 2
Correct Answer: B
Rationale: IT discharge summaries document teaching but do not replace oral instructions.