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The nurse closely monitors an older adult for signs of medication toxicity. Which physiological change is the reason for the nurse’s action?

A.

Renal dysfunction

B.

Pancreatic impairment

C.

Increased gastric motility

D.

Increased blood volume

Answer and Explanation

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.


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Related Questions

Correct Answer is C

Explanation

A: Intact skin with localized erythema describes a stage 1 pressure injury, where the skin is not broken but shows signs of redness and irritation. This stage does not involve any loss of skin layers.

B: Full-thickness skin loss with visible adipose tissue is characteristic of a stage 3 pressure injury. At this stage, the injury extends through the full thickness of the skin and exposes fat tissue, but not muscle, bone, or tendon.

C: Partial-thickness skin loss with red tissue in the wound bed is indicative of a stage 2 pressure injury. This stage involves damage to the epidermis and dermis, resulting in a shallow, open wound with a red or pink wound bed. It may also present as an intact or ruptured blister.

D: Full-thickness skin loss with visible bone describes a stage 4 pressure injury. This stage involves extensive destruction, with tissue loss extending to muscle, bone, or supporting structures.

Correct Answer is C

Explanation

A: 20 mg is incorrect and represents a significant overdose. It is not an appropriate transcription for two tenths of a milligram.

B: 0.20 mg is not the best practice because it can be misread as 20 mg if the decimal point is missed. Leading zeros should be used without trailing zeros to prevent errors.

C: 0.2 mg is the correct transcription. It clearly represents two tenths of a milligram and minimizes the risk of misinterpretation.

D: 2.0 mg is incorrect and represents a tenfold overdose. It is not an appropriate transcription for two tenths of a milligram.

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