Nokea
Howard is a 72-year-old male who occasionally takes diphenhydramine for his seasonal allergies. Monitoring for this patient taking diphenhydramine would include assessing for:
- A. Urinary retention
- B. Cardiac output
- C. Peripheral edema
- D. Skin rash
Correct Answer: A
Rationale: Diphenhydramine , an antihistamine, has anticholinergic effects that can cause urinary retention, especially in older males; other effects are less common.
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Patients should be warned about the overuse of topical wintergreen oil to treat muscle strains, as overapplication can lead to:
- A. Respiratory depression
- B. Cardiac disturbance
- C. Salicylates poisoning
- D. Life-threatening rashes
Correct Answer: C
Rationale: Wintergreen oil contains methyl salicylate, which can cause salicylate poisoning if overused.
The nurse is preparing a medication that is new to the market and cannot be found in the nurses drug guide. Where can the nurse get the most reliable information about this medication?
- A. Package insert
- B. Another nurse
- C. Drug manufacturer
- D. Physician
Correct Answer: A
Rationale: The most reliable information about the drug can be found on the package insert supplied by the manufacturer because it was prepared according to strict Food and Drug Administration (FDA) regulations. Asking another nurse or the physician is not reliable and cannot be verified as accurate. It would not be realistic to call the drug manufacturer for information.
During what phase of the nursing process would the nurse be required to consider the efficacy of nursing interventions related to drug therapy?
- A. Assessment
- B. Nursing diagnosis
- C. Interventions
- D. Evaluation
Correct Answer: D
Rationale: Evaluation phase assesses the effectiveness of interventions, including those related to drug therapy.
Drug which interferes with metabolism of theophylline is:
- A. Erythromycin
- B. Gentamicin
- C. Penicillin
- D. Furazolidone
Correct Answer: A
Rationale: Erythromycin inhibits P-450, increasing theophylline levels.
Idiosyncrasy is:
- A. A genetically determined abnormal reaction to drugs
- B. A characteristic toxic effect at therapeutic doses
- C. An altered physiological state produced by repeated drug use
- D. An immunologically mediated reaction
Correct Answer: A
Rationale: Idiosyncrasy is a genetically determined unusual response to a drug, e.g., G6PD deficiency with primaquine.