nurse is preparing to administer hydroxyzine HCL 50 mg PO. Available is hydroxyzine oral suspension 25 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest whole number.
Use a leading zero if it applies.
Do not use a trailing zero
The Correct Answer is ["the correct answer is 10 mL."]
Step 1 is to calculate the amount of hydroxyzine HCL in each mL of the oral suspension. This is done by dividing the total amount of hydroxyzine HCL (25 mg) by the total volume (5 mL), which gives us 5 mg/mL. Step 2 is to calculate the volume of oral suspension that contains 50 mg of hydroxyzine HCL. This is done by dividing the prescribed dose (50 mg) by the concentration of the oral suspension (5 mg/mL). So, 50 mg ÷ 5 mg/mL = 10 mL.
So, the correct answer is 10 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.5 tablets."]
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.
Correct Answer is D
Explanation
Choice A rationale:
Treating nasal rhinitis with an over-the-counter antihistamine is not directly related to neostigmine use or myasthenia gravis.
Choice B rationale:
If a medication dose is missed, wait until the next scheduled dose to take the medication is not the best advice. Neostigmine should be taken at regular intervals for maximum effectiveness.
Choice C rationale:
Expecting diaphoresis as a side effect of the neostigmine is not accurate. Diaphoresis is not a common side effect of neostigmine.
Choice D rationale:
Taking the medication 45 minutes before eating is correct. This timing helps maximize the medication’s effectiveness during meals, when muscle strength for swallowing is crucial.
So, the correct answer is,
D.
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