Nokea
The nurse knows that which medication requires monitoring of thyroid function?
- A. Dofetilide
- B. Amiodarone
- C. Sotalol
- D. Flecainide
Correct Answer: B
Rationale: Amiodarone can cause hypo- or hyperthyroidism due to its iodine content, necessitating thyroid function monitoring.
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Monitoring for a patient being prescribed iron for iron deficiency anemia includes:
- A. Reticulocyte count 1 week after therapy is started
- B. Complete blood count every 2 weeks throughout therapy
- C. Hemoglobin level at 1 week of therapy
- D. INR weekly throughout therapy
Correct Answer: A
Rationale: Reticulocyte count at 1 week assesses iron therapy response; CBC or hemoglobin checks are later, and INR is irrelevant.
Hannah will be traveling to Mexico with her church group over spring break to build houses. She is concerned she may develop traveler's diarrhea. Advice includes following normal food and water precautions as well as taking:
- A. Loperamide four times a day throughout the trip
- B. Bismuth subsalicylate with each meal and at bedtime
- C. A prescription for diphenoxylate with atropine to use if she gets diarrhea
- D. None of the above
Correct Answer: B
Rationale: Bismuth subsalicylate prevents traveler's diarrhea when taken prophylactically; loperamide or diphenoxylate are for treatment, not prevention.
Besides osteoporosis, IV bisphosphonates are also indicated for:
- A. Paget's Disease
- B. Early osteopenia
- C. Renal cancer
- D. Early closure of cranial sutures
Correct Answer: A
Rationale: IV bisphosphonates treat Paget's disease by reducing bone turnover; osteopenia uses oral forms typically.
The nursing students are learning about the half-life of drugs. A student asks the instructor to explain half-life. What is the instructor's best response?
- A. Half-life of a drug is the time it takes for the amount of drug in the body to decrease to half of the peak level it previously achieved.
- B. Half-life is the amount of time it takes for the drug to be metabolized by the body.
- C. Half-life is the amount of time it takes for half of the drug to reach peak level in the body.
- D. Half-life of a drug is the time it takes for the drug to reach half its potential peak level in the body.
Correct Answer: A
Rationale: The half-life of a drug is the time it takes for the amount of drug in the body to decrease to half the peak level it previously achieved. Therefore Options B, C, and D are not correct.
The major factor in terminating the action of ethanol is
- A. Biotransformation
- B. Excretion through lungs
- C. Excretion unchanged in urine
- D. Excretion in feces
Correct Answer: A
Rationale: Ethanol is primarily metabolized by the liver (biotransformation) via alcohol dehydrogenase.