Nokea
Your patient calls for an appointment before going on vacation. Which medication should you ensure he has an adequate supply of before leaving to avoid life-threatening complications?
- A. Carvedilol
- B. Donepezil
- C. Bethanechol
- D. Tacrine
Correct Answer: A
Rationale: Abrupt carvedilol withdrawal can cause life-threatening rebound hypertension or ischemia.
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Decision support systems often provide medication alerts that tell the prescriber:
- A. Patient history data with a summary of their diagnoses
- B. The usual dosage for the drug being prescribed
- C. The patient's latest laboratory values, such as potassium levels
- D. Potential drug-to-drug interactions with other medications the patient is taking
Correct Answer: D
Rationale: Decision support systems primarily alert prescribers to drug-drug interactions.
Which of the following statements about beta-blockers is false?
- A. Beta-blockers should be avoided with non-dihydropyridine calcium channel blockers
- B. Beta-blockers increase renin secretion
- C. Non-selective beta-blockers are contraindicated in asthma
- D. Beta-blockers prolong the refractory period of the AV node
Correct Answer: B
Rationale: Beta-blockers decrease renin secretion by blocking beta-1 receptors in the kidney, making this statement false.
A client with severe acne is seen in the clinic and the health care provider (HCP) prescribes isotretinoin. The nurse reviews the client's medication record and would contact the (HCP) if the client is taking which medication?
- A. Vitamin A
- B. Digoxin (Lanoxin)
- C. Furosemide (Lasix)
- D. Phenytoin (Dilantin)
Correct Answer: A
Rationale: Isotretinoin is a metabolite of vitamin A and can produce generalized intensification of isotretinoin toxicity. Because of the potential for increased toxicity, vitamin A supplements should be discontinued before isotretinoin therapy. Options 2, 3, and 4 are not contraindicated with the use of isotretinoin.
A nurse is caring for a client who states she has been taking Phenylephrine nasal drops for the past 10 days for Sinusitis. The nurse should assess the client for which of the following adverse effects of this medication?
- A. Sedation
- B. Nasal congestion
- C. Productive cough
- D. Constipation
Correct Answer: B
Rationale: Prolonged phenylephrine use can cause rebound nasal congestion due to vasoconstrictor overuse.
The Vaccine Adverse Events Reporting System is:
- A. A mandatory reporting system for all health-care providers when they encounter an adverse vaccine event
- B. A voluntary reporting system that health-care providers or consumers may use to report vaccine adverse events
- C. Utilized to send out safety alerts regarding emerging vaccine safety issues
- D. Activated when a vaccine has been proven to cause significant adverse effects
Correct Answer: B
Rationale: VAERS is a voluntary system for reporting vaccine ADRs by providers or consumers, not mandatory or alert-only .