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?
50 mg
200 mg
100 mg
400 mg
The Correct Answer is C
A half-life is the time it takes for the concentration of a drug in the body to decrease by half. In this case, the medication has an 8-hour half-life, so after 8 hours, the concentration of the medication in the client's body would be reduced to 400mg (half of the initial dose of 800mg). After another 8 hours (16 hours total), the concentration would be reduced to 200mg. After another 8 hours (24 hours total), the concentration would be reduced to 100mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Alprazolam is a benzodiazepine that is commonly used to treat anxiety disorders and panic disorders ¹. It can also be used as a sleep aid due to its sedative effects ³.
Option A is not correct because paroxetine is an antidepressant and is not commonly used as a sleep aid.
Option B is not correct because buspirone is an anti-anxiety medication and is not commonly used as a sleep aid.
Option D is not correct because amitriptyline is an antidepressant and is not commonly used as a sleep aid.
Correct Answer is D
Explanation
Flumazenil is a benzodiazepine antagonist that can be used as an antidote for lorazepam overdose ¹. It works by reversing the effects of benzodiazepines such as lorazepam ¹.
Option A is not correct because naloxone is an opioid antagonist and is not used to treat benzodiazepine overdose.
Option B is not correct because acetylcysteine is used to treat acetaminophen overdose and is not used to treat benzodiazepine overdose.
Option C is not correct because physostigmine is used to treat anticholinergic toxicity and is not used to treat benzodiazepine overdose.
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