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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A nurse is caring for an older adult client who has a new prescription for Digoxin and takes multiple other medications. The nurse should recognize that concurrent use of which of the following medications places the client at risk for Digoxin toxicity?
- A. Phenytoin
- B. Verapamil
- C. Warfarin
- D. Aluminum hydroxide
Correct Answer: B
Rationale: Verapamil increases digoxin levels by reducing clearance, risking toxicity.
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.
The Combination of amoxycillin + clavulanic acid is used because
- A. It broadens the spectrum of amoxycillin
- B. It decreases the side effect of amoxycillin
- C. It decreases the toxicity of clavulanic acid
- D. It increases the oral bio availability of amoxycillin
Correct Answer: A
Rationale: Clavulanic acid inhibits beta-lactamases, broadening amoxicillin's spectrum.
Tick the substance which changes the activity of an effector element but doesn't belong to second messengers:
- A. cAMP
- B. cGMP
- C. G-protein
- D. Calcium ions
Correct Answer: C
Rationale: G-protein is a transducer, not a second messenger, unlike cAMP, cGMP, and calcium.
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.