A nurse is preparing to administer haloperidol lactate 12 mg PO for a client who has schizophrenia and who cannot swallow tablets.
Available is haloperidol 2 mg/mL oral solution.
How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if it applies.)
The Correct Answer is ["6"]
Step 1 is to determine the amount of haloperidol lactate that needs to be administered, which is 12 mg.
Step 2 is to calculate the volume of the haloperidol oral solution needed to deliver this dose. This is done using the formula:
Dose (mg) ÷ Concentration (mg/mL)
Given that the available concentration is 2 mg/mL, we calculate:
12 mg ÷ 2 mg/mL = 6 mL
Therefore, the nurse should administer 6 mL of the haloperidol oral solution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["7.5"]
Explanation
To calculate the volume of fluoxetine to administer, we need to use the formula for dose conversion.
Step 1 is to set up the equation: 30 mg (desired dose) ÷ (20 mg/5 mL). This simplifies to 30 mg × (5 mL/20 mg). The mg units cancel out, leaving us with the volume in mL.
So, the correct answer is 7.5 mL.
Correct Answer is A
Explanation
Choice A rationale:
Antipsychotic medications can cause extrapyramidal symptoms, which include involuntary muscle contractions and tremors.
Choice B rationale:
Insulin, used to treat type 2 diabetes mellitus, does not typically cause extrapyramidal symptoms.
Choice C rationale:
Pancreatic enzymes, used to treat chronic pancreatitis, are not associated with extrapyramidal symptoms.
Choice D rationale:
Beta-adrenergic blockers, used to treat hypertension, do not typically cause extrapyramidal symptoms.
So, the correct answer is A, A client who has schizophrenia and is taking an antipsychotic medication.
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