A nurse is preparing to administer benztropine mesylate 2 mg IM to a client who has schizophrenia and is experiencing an extrapyramidal reaction to antipsychotic medication.
Available is benztropine mesylate injection 1 mg/mL in 2 mL ampules. 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 ["2"]
Step 1: We know that 1 mg of benztropine mesylate is equivalent to 1 mL. So, 2 mg will be equivalent to 2 mL.
Therefore, the nurse should administer 2 mL of benztropine mesylate.
Since 2 is a whole number, there is no need for rounding.
The leading zero does not apply in this case as the number is not less than 1.
There is also no trailing zero after the decimal point. So, the final answer is 2 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["12.5"]
Explanation
Step 1: The dose to be administered is75 mg of valproic acid.
Step 2: The available valproic acid syrup has a concentration of30 mg/5 mL. This means that for every 5 mL of the solution, there are 30 mg of valproic acid.
Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 75 mg ÷ (30 mg/5 mL) = 12.5 mL.
The nurse should administer 12.5 mL of valproic acid syrup.
Correct Answer is ["8.8"]
Explanation
Step 1: The dose to be administered is175 mg of ziprasidone.
Step 2: The available ziprasidone injection has a concentration of20 mg/mL. This means that for every 1 mL of the solution, there are 20 mg of ziprasidone.
Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 175 mg ÷ 20 mg/mL = 8.75 mL.
Step 4: Round the answer to the nearest tenth. So, 8.75 mL rounds to8.8 mL.
The nurse should administer 8.8 mL of ziprasidone injection
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