Nokea
While receiving treatment for acute pulmonary edema, a woman complains of tinnitus and vertigo.
- A. Clomiphene
- B. Hydrochlorothiazide
- C. Furosemide
- D. Mifepristone
Correct Answer: C
Rationale: Furosemide, a loop diuretic, can cause ototoxicity (tinnitus, vertigo) at high doses.
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L-Dopa is
- A. Converted to methyl dopa in the body
- B. Antagonised by riboflavine
- C. Antagonized by nicotinic acid
- D. Combined with carbidopa for enhanced effect
Correct Answer: D
Rationale: Carbidopa enhances L-Dopa's effect by preventing peripheral breakdown.
A nurse is preparing to administer clindamycin 200 mg by intermittent IV bolus. The amount available is clindamycin injection 200 mg in 100 mL 0.9% sodium chloride (0.9% NaCl) to infuse over 30 min. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Do not use a trailing zero.)
- A. 200
- B. 180
- C. 250
- D. 500
Correct Answer: A
Rationale: Calculation: (100 mL / 30 min) 60 min/hr = 200 mL/hr, matching the provided answer.
Kelly has diarrhea and is wondering if she can take loperamide (Imodium) for the diarrhea. Loperamide:
- A. Can be given to patients of all ages, including infants and children, for viral gastroenteritis
- B. Slows gastric motility and reduces fluid and electrolyte loss from diarrhea
- C. Is the treatment of choice for the diarrhea associated with E. coli 0157
- D. May be used in pregnancy and by lactating women
Correct Answer: B
Rationale: Loperamide slows motility to reduce diarrhea; it's not for infants , E. coli 0157 (C, risks toxicity), or universally safe in pregnancy .
The following is the antithyroid mechanism of action of mercazolil:
- A. Inbits thyrotropic hormone production in pituitary
- B. Inhibits thyroid hormone synthesis in thyroid gland
- C. Interfere follicule cells in thyroid gland
- D. Interfere iod reaptake in thyroid gland
Correct Answer: B
Rationale: Mercazolil (methimazole) inhibits thyroid hormone synthesis by blocking thyroperoxidase activity in the thyroid.
The intangible costs of drug therapy include:
- A. Loss of wages while undergoing therapy
- B. Inconvenience, pain, and suffering incurred with therapy
- C. Cost of medical equipment in the laboratory used to monitor therapeutic drug levels
- D. Cost of prescription drug coverage, such as Medicare Part D
Correct Answer: B
Rationale: Intangible costs are non-monetary, such as pain and suffering.