The nurse closely monitors an older adult for signs of medication toxicity. Which physiological change is the reason for the nurse’s action?
Renal dysfunction
Pancreatic impairment
Increased gastric motility
Increased blood volume
The Correct Answer is A
A: Renal dysfunction is common in older adults and can lead to decreased clearance of medications from the body, increasing the risk of toxicity. Monitoring for signs of toxicity is crucial in this population.
B: Pancreatic impairment can affect digestion and insulin production but is not the primary reason for monitoring medication toxicity in older adults.
C: Increased gastric motility is not typically associated with aging. In fact, decreased gastric motility is more common and can affect drug absorption.
D: Increased blood volume is not a common physiological change in older adults. Decreased renal function and changes in body composition are more relevant factors affecting medication metabolism and excretion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A: An oxygen saturation range of 80-100% is incorrect. Saturation levels below 90% are considered low and may indicate hypoxemia, requiring medical attention.
B: An oxygen saturation range of 93-100% is generally acceptable, but the ideal range is slightly higher to ensure adequate oxygenation.
C: An oxygen saturation range of 90-100% includes levels that are borderline low. While 90% is often used as a threshold for concern, the optimal range is higher.
D: An oxygen saturation range of 95-100% is considered normal and indicates adequate oxygenation of the blood. This range ensures that tissues receive sufficient oxygen to function properly.
Correct Answer is D
Explanation
A: Schedule I drugs do not have the lowest abuse potential. They are classified as having the highest potential for abuse.
B: Schedule I drugs do not have a moderate abuse potential. They are considered to have a high potential for abuse and no accepted medical use.
C: Schedule I drugs do not have a mild abuse potential. They are classified as having the highest potential for abuse.
D: Schedule I drugs have the highest abuse potential and are not accepted for medical use in the United States. Examples include heroin and LSD.
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