A nurse is preparing to administer lorazepam 1 mg PO to an older adult client who has insomnia and who cannot swallow oral tablets.
Available is lorazepam oral solution 2 mg/mL. How many mL should the nurse plan to administer?
(Round to the nearest tenth. Use a leading zero if it applies.)
The Correct Answer is ["0.5"]
Step 1 is to determine the amount of lorazepam that needs to be administered, which is 1 mg.
Step 2 is to calculate the volume of lorazepam oral solution needed to deliver this dose. This is done using the formula:
Dose (mg) ÷ Concentration (mg/mL)
Given that the solution has a concentration of 2 mg/mL, we calculate:
1 mg ÷ 2 mg/mL = 0.5 mL
Therefore, the nurse should administer 0.5 mL of lorazepam oral solution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Baclofen is a muscle relaxant and antispastic agent. It can cause drowsiness and affect the ability to drive or operate machinery. Therefore, it’s advisable to avoid driving until the medication’s effects are evident.
Choice B rationale:
Headache is not a reason to stop taking baclofen. If a headache occurs, the client should consult with their healthcare provider for appropriate management.
Choice C rationale:
Diarrhea is not a common adverse effect of baclofen. More common side effects include drowsiness, dizziness, weakness, and fatigue.
Choice D rationale:
Baclofen can be taken with or without food. Taking it on an empty stomach is not necessary and may increase the risk of stomach upset.
So, the correct answer is A.
Correct Answer is ["2.5"]
Explanation
Step 1 is to calculate the number of tablets to administer. The formula is desired dose ÷ dose per tablet. So, 5 mg ÷ 2 mg = 2.5 tablets.
So, the correct answer is 2.5 tablets.
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