A nurse is aware that an accidental administration of a dose greater than recommended is most likely to result in what negative consequence?

Decreased side effects

Lowered therapeutic threshold

Toxicity

Decreased eﬀectiveness

Answer and Explanation

The Correct Answer is C

An accidental administration of a dose greater than recommended can result in toxicity. This means that the medication reaches harmful levels in the body and can cause damage to organs or other adverse effects.
Option A is incorrect because an overdose is more likely to increase side effects rather than decrease them.
Option B is incorrect because a lowered therapeutic threshold means that a lower dose of medication is needed to achieve the desired eﬀect, which is not related to an overdose.
Option D is incorrect because an overdose can increase the eﬀectiveness of the medication to dangerous levels, rather than decrease it.

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Correct Answer is D

Explanation

Anticholinergic medications can be used to treat extrapyramidal symptoms (EPS) such as tremors and shuﬄing gait that can occur as side effects of first-generation antipsychotics ¹².
Option A is not correct because a direct dopamine antagonist would not be used to treat EPS.
Option B is not correct because increasing the dose of the antipsychotic medication could worsen EPS.
Option C is not correct because withholding the medication for two days could lead to a relapse of the underlying condition being treated by the antipsychotic.

A. Reduced hepatic blood ﬂow B. Reduced body fat C. Increased glomerular filtration rate D. Increased gastric motility

Correct Answer is A

Explanation

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.

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A nurse is aware that an accidental administration of a dose greater than recommended is most likely to result in what negative consequence?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client currently taking a first-generation antipsychotic (FGA) comes to the clinic for evaluation. The client presents with a shuﬄing gait and mild tremors. Which order would the nurse expect the provider to give?

Correct Answer is D

Explanation

An older client may be at higher risk for medication toxicity due to which of the following physiological changes associated with aging?

Correct Answer is A

Explanation

A nurse in a health care provider’s office is reviewing lab results and notes a phenytoin level was drawn. Which level would the nurse consider as therapeutic documentation?

An agitated, extremely anxious client is brought to the emergency department and the provider orders alprazolam. The nurse understands alprazolam is appropriate to administer in this situation due to which of the following reasons?

The client diagnosed with Parkinson's disease has been taking carbidopa/levodopa for two years. The client states symptoms are worsening. The health care provider added the prescription donepezil to the client's daily routine. Which information should the nurse teach the client?

A nurse provides teaching for a client newly diagnosed with Parkinson's disease. Which statement by the client indicates an understanding of the medication therapy for this disease?

A client has been taking diazepam for three months. Which of the following statements by the client would indicate the medication is eﬀective?

Which of the following information is true when providing education to clients about the use of benzodiazepines?

A client child accidentally ingested her mother's lorazepam and the child is now very sleepy. Which of these medications would the nurse want to have readily available in case benzodiazepine reversal is needed?

The nurse has given 800mg of a medication that has an 8-hour half-life. How much of the medication will remain in the client's body 24 hours after administration if no additional medication is given?