A nurse is preparing to administer methylphenidate 18 mg PO to a school-age child who has attention deficit disorder. Available is methylphenidate oral solution 10 mg/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.)

Answer and Explanation

The Correct Answer is ["2"]

Step 1: The dose to be administered is 18 mg of methylphenidate.

Step 2: The available methylphenidate oral solution has a concentration of10 mg/mL. This means that for every 1 mL of the solution, there are 10 mg of methylphenidate.

Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 18 mg ÷ 10 mg/mL = 1.8 mL.

Step 4: Round the answer to the nearest whole number. So, 1.8 mL rounds to2 mL.

The nurse should administer 2 mL of methylphenidate oral solution.

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Free Nursing Study Resources

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 ["1.5"]

Explanation

Step 1: The dose to be administered is75 mg of haloperidol decanoate.

Step 2: The available haloperidol decanoate injection has a concentration of50 mg/mL. This means that for every 1 mL of the solution, there are 50 mg of haloperidol decanoate.

Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 75 mg ÷ 50 mg/mL = 1.5 mL.

The nurse should administer 1.5 mL of haloperidol decanoate injection.

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer valproic acid 75 mg PO to a client who has acute mania. Available is valproic acid syrup 30 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["12.5"]

Explanation

A nurse is preparing to administer haloperidol decanoate 75 mg IM to a client who has schizophrenia. Available is haloperidol decanoate injection 50 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["1.5"]

Explanation

A nurse is preparing to administer ziprasidone 175 mg IM to a patient. Available is ziprasidone 20 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer aripiprazole 0.02 g PO to a client. How many mg should the nurse administer? (Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer chlorpromazine 50 mg IM to a client. Available is chlorpromazine 25 mg/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.)

A nurse is preparing to administer amitriptyline 50 mg PO to a client who has depression. Available is amitriptyline 100 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)