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

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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Correct Answer is D

Explanation

A: Stopping an antibiotic once feeling better is incorrect. Antibiotics should be taken for the full prescribed course to ensure the infection is fully treated and to prevent antibiotic resistance.

B: Skipping a dose if 30 minutes late is not recommended. Most medications can be taken within a short window of the scheduled time. The patient should follow specific instructions provided by the healthcare provider.

C: Parenteral medications are administered via injection and do not need to be taken with food. This statement indicates a misunderstanding of the medication route.

D: Rotating the sites for a transdermal patch is correct. This practice helps prevent skin irritation and ensures consistent absorption of the medication.

A. 20 mg B. 0.20 mg C. 0.2 mg D. 2.0 mg

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is C

Explanation

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