A nurse is preparing to administer benztropine 2 mg IM every 12 hr to a client who is experiencing an extrapyramidal reaction. Available is benztropine 1 mg/mL for injection. How many ml should the nurse administer per dose? (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 ["2"]
The nurse is preparing to administer benztropine 2 mg IM every 12 hours. The concentration of the available benztropine is 1 mg/mL.
To calculate the volume (mL) of the medication needed for the prescribed dose, you can use the formula:
Volume (mL) = Dose (mg) / Concentration (mg/mL)
Plugging in the values:
Volume (mL) = 2 mg / 1 mg/mL = 2 mL
So, the nurse should administer 2 mL of benztropine 1 mg/mL for each dose. Since we're looking for a whole number, we round to the nearest whole number, which is 2 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. "Are you thinking of harming yourself?": Correct
This is the priority response because it directly addresses the client's statement about being better off gone, which raises concerns about potential suicidal thoughts. Asking this question allows the nurse to assess the client's risk of self-harm or suicide and take appropriate actions to ensure their safety.
B. "Do you really think your family would be better off without you?": Incorrect
While this response attempts to engage the client in a conversation, it doesn't directly address the immediate concern of suicidal thoughts. It's important to prioritize assessing the client's safety before exploring their feelings about their family's perspective.
C. "When did you first start feeling this way?": Incorrect
While understanding the client's history and the onset of their feelings is important, it's not the priority response in this situation. Assessing the client's risk of harm takes precedence over gathering historical information.
D. "Tell me what is happening right now.": Incorrect
This response doesn't directly address the client's statement about being better off gone and doesn't assess the immediate risk of self-harm or suicide. While understanding the client's current situation is valuable, safety concerns should be addressed first.
Correct Answer is ["0.75"]
Explanation
To calculate the volume (ml) of haloperidol decanoate needed for a dose of 75 mg, you can use the following formula:
Volume (ml) = Dose (mg) / Concentration (mg/ml)
Given:
Dose = 75 mg
Concentration = 100 mg/ml
Plugging in the values:
Volume (ml) = 75 mg / 100 mg/ml
Volume (ml) = 0.75 ml
Rounding to the nearest hundredth:
Volume (ml) = 0.75 ml
So, the nurse should administer 0.75 ml of haloperidol decanoate for the dose of 75 mg.
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