A home care nurse administers oral morphine to the patient with cancer pain.
When will the nurse expect the medication to reach peak activity?
45 minutes.
10 minutes.
30 minutes.
60 minutes.
The Correct Answer is A
Choice A rationale
Oral morphine typically reaches peak activity at around 45 minutes after administration. This allows time for the medication to be absorbed through the gastrointestinal tract and enter the bloodstream to provide pain relief.
Choice B rationale
10 minutes is too short for oral morphine to reach peak activity. This timeframe is more consistent with intravenous administration, which allows for rapid onset of action.
Choice C rationale
30 minutes is a bit too short for oral morphine to reach peak effect, although some patients may start to feel relief. However, peak plasma concentrations generally occur closer to 45-60 minutes.
Choice D rationale
While morphine can continue to have effects up to 60 minutes and beyond, the peak activity is typically observed around the 45-minute mark. Waiting for 60 minutes may underestimate the peak timeframe.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Acetaminophen is recommended for children because it is effective for pain and fever relief with a low risk of stomach irritation and other side effects.
Choice B rationale
Ibuprofen, though effective, may cause stomach irritation and should be used with caution in children.
Choice C rationale
Aspirin is not recommended for children due to the risk of Reye’s syndrome, a rare but serious condition.
Choice D rationale
Diflunisal is not recommended for children as it is primarily used for more severe pain and conditions like arthritis.
Correct Answer is D
Explanation
Choice A rationale
Acetaminophen is an analgesic and antipyretic but does not have antitussive properties.
Choice B rationale
Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that provides analgesic effects but does not have antitussive properties.
Choice C rationale
Aspirin is an analgesic and anti-inflammatory medication but does not have antitussive properties.
Choice D rationale
Codeine is an opioid that provides both analgesic and antitussive effects. It is commonly used to treat mild to moderate pain and to suppress cough.
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