A patient with a history of anxiety disorder is prescribed lorazepam at a dosage of 1 mg to be administered every 8 hours as needed. If the patient has already received 2 doses today, what is the maximum additional dosage they can safely receive within the same day?
3 mg.
2 mg.
0 mg.
The Correct Answer is C
Choice A reason: A 3 mg additional dose would exceed the prescribed limit. The prescription allows for 1 mg every 8 hours as needed, up to a maximum of 3 mg in a 24-hour period (one dose every 8 hours). Since the patient has already received 2 mg (two 1 mg doses), an additional 3 mg would result in a total of 5 mg, which is unsafe and exceeds the prescribed daily limit.
Choice B reason: A 2 mg additional dose would also exceed the prescribed limit. With 2 mg already taken, an additional 2 mg would total 4 mg in a day, surpassing the maximum of 3 mg allowed by the prescription (1 mg every 8 hours, up to three doses).
Choice C reason: The patient has already received 2 mg (two 1 mg doses) today. The prescription allows for 1 mg every 8 hours as needed, which permits a maximum of 3 mg in 24 hours. With two doses already administered, only one additional 1 mg dose is safe, but none of the options list 1 mg. Therefore, 0 mg is the correct answer, as no additional dose beyond the remaining 1 mg is permissible among the given choices.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Naltrexone reduces cravings for alcohol but is used after detoxification, not during acute withdrawal.
Choice B reason: Acamprosate helps maintain abstinence but is started after detox, not during acute withdrawal.
Choice C reason: Disulfiram deters alcohol use by causing unpleasant reactions when alcohol is consumed, but it is not used for withdrawal management.
Choice D reason: Diazepam, a benzodiazepine, is the medication of choice during acute alcohol withdrawal because it prevents seizures, reduces agitation, and manages withdrawal symptoms.
Correct Answer is D
Explanation
Choice A reason:Asking the client why he thinks the pain isn’t from hiking may come across as dismissive and could heighten his anxiety. It does not address his concerns constructively or facilitate a medical evaluation to determine the cause of the pain.
Choice B reason:Reassuring the client that bone cancer is unlikely without a medical evaluation is inappropriate, as it may minimize his concerns and delay necessary assessment. The nurse should avoid making diagnostic assumptions without provider input.
Choice C reason:Suggesting genetic testing is premature without a medical evaluation to determine if the pain warrants such testing. The client’s pain is likely related to hiking, and a provider’s assessment should guide any further diagnostic steps.
Choice D reason:Explaining that a provider will evaluate the client and determine the next steps is the most appropriate action. This response validates the client’s concerns, ensures a professional assessment of the knee pain, and provides a clear path forward without making assumptions about the cause.
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