ATI Custom Fletcher NRSG 106 Exam 1 Spring 2024 ( 46 Questions)
A nurse is preparing to administer methylnaltrexone 12 mg subcutaneously to a client who has opioid-induced constipation.
The available methylnaltrexone is 8 mg/0.4 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth.
Use a leading zero if it applies.
Correct Answer: 0.6 mL
Answer and explanation
The question is about calculating the volume of methylnaltrexone to administer to a client. The client needs a dose of 12 mg, and the available methylnaltrexone is 8 mg/0.4 mL.
Let’s calculate the volume step by step:
Step 1: Identify the given values:
- Desired dose (D) = 12 mg
- Available dose (A) = 8 mg
- Volume for available dose (V) = 0.4 mL
Step 2: Use the given values in the formula for calculating the volume to administer:
Volume to administer=Available doseDesired dose×Volume for available dose Step 3: Substitute the given values into the formula:
Volume to administer=(12*0.4)/8
Step 4: Perform the multiplication and division:
Volume to administer=4.8mL/8
Step 5: Simplify the division to find the volume to administer:
Volume to administer=0.6mL
So, the nurse should administer 0.6 mL of methylnaltrexone to the client.
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