An older client may be at higher risk for medication toxicity due to which of the following physiological changes associated with aging?
Reduced hepatic blood flow
Reduced body fat
Increased glomerular filtration rate
Increased gastric motility
The Correct Answer is A
Reduced hepatic blood flow can decrease the metabolism and excretion of many drugs, requiring that doses of some drugs be decreased ². This can increase the risk of medication toxicity in older adults.
Option B is not correct because reduced body fat is not a physiological change associated with aging.
Option C is not correct because the glomerular filtration rate decreases with age ².
Option D is not correct because gastric motility decreases with age ².
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The nurse would want to have flumazenil readily available in case benzodiazepine reversal is needed. Flumazenil is a medication used to reverse the effects of benzodiazepines such as lorazepam ¹. It can be used to help a person wake up after a medical procedure in which a benzodiazepine was used as a sedative or to treat a benzodiazepine overdose ¹.
Option A is incorrect because physostigmine is not used to reverse the effects of benzodiazepines.
Option B is incorrect because naloxone is used to reverse the effects of opioids, not benzodiazepines.
Option D is incorrect because syrup of ipecac is not used to reverse the effects of benzodiazepines.
Correct Answer is C
Explanation
Dantrolene is a medication that can be used to manage symptoms of malignant hyperthermia ¹. Malignant hyperthermia is a life-threatening reaction to certain medications used during general anesthesia ².
Dantrolene works by inhibiting the release of calcium in the muscles, which helps control the condition and restore normal vital signs ³.
Option A is not correct because baclofen is not used to manage symptoms of malignant hyperthermia.
Option B is not correct because diazepam is not used to manage symptoms of malignant hyperthermia.
Option D is not correct because tizanidine is not used to manage symptoms of malignant hyperthermia.
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