A nurse is preparing to administer haloperidol 5 mg IM to a client. The amount available is haloperidol 20 mg/mL. How many mL should the nurse administer?
(Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.25"]
To calculate the volume of haloperidol solution needed, we can use the formula:
Volume (mL)=Dose (mg)/Concentration (mg/mL)
Given: Dose of haloperidol = 5 mg
Concentration of haloperidol solution = 20 mg/mL
Substituting the given values into the formula:
Volume (mL)=5 mg/20 mg/mL
Volume (mL)=5/20
Volume (mL)=0.25 mL
Rounded to the nearest hundredth, the nurse should administer 0.25 mL of haloperidol solution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Alprazolam is a benzodiazepine medication commonly used to treat anxiety and insomnia. Here's the rationale for each option:
A. "Avoid activities that require alertness, such as driving.": Alprazolam can cause drowsiness and impair cognitive function, so it's essential for clients to avoid activities that require alertness, such as driving or operating heavy machinery, while taking this medication. Providing this instruction promotes safety and prevents accidents.
B. "Monitor for peripheral edema.": Peripheral edema is not a common side effect of alprazolam. This instruction is not relevant to the use of this medication.
C. "Take this medication with a high-fat meal.": Alprazolam can be taken with or without food, but taking it with a high-fat meal may delay its absorption. Therefore, it is not necessary to instruct the client to take it with a high-fat meal, especially since this may affect the medication's effectiveness.
D. "Take this medication every night before sleep.": While alprazolam may be used to treat insomnia, it is not typically recommended for nightly use due to the risk of dependence and tolerance. Using it nightly can lead to addiction and withdrawal symptoms if abruptly stopped. Therefore, this instruction is not appropriate.
Correct Answer is ["75"]
Explanation
To calculate the infusion rate in mL/hr for total parenteral nutrition (TPN) we divide the total volume by the total infusion time.
Given: Total volume of TPN = 1800 mL Total infusion time = 24 hours
Infusion rate (mL/hr) = Total volume / Total infusion time
Substituting the given values: Infusion rate = 1800 mL / 24 hr ≈ 75 mL/hr
Rounded to the nearest whole number, the nurse should set the IV pump to deliver approximately 75 mL/hr of TPN.
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