ATI RN
ATI N200 Mental Health Exam 3 Questions
Extract:
Question 1 of 5
A patient is prescribed morphine sulfate 5 mg IV every 4 hours as needed for a pain level greater than 7 on a scale of 0-10. Morphine is available in 8 mg/mL vials. How many mL will the nurse give for the correct dose? Round to the nearest hundredth. Use a preceding zero if necessary. Do not use trailing zeros.
Correct Answer: 0.63
Rationale:
Correct Answer: 0.63
Rationale:
1. Calculate the total dose needed: 5 mg every 4 hours = 5 mg/4 hours.
2. Determine the number of hours in a day: 24 hours/4 hours = 6 doses per day.
3.
Total daily dose = 5 mg/dose x 6 doses = 30 mg/day.
4. Calculate the volume needed: 30 mg / 8 mg/mL vial = 3.75 mL.
5. Round to the nearest hundredth: 3.75 mL = 0.63 mL.
Summary:
A. Incorrect - Does not calculate the correct volume based on the given information.
B. Incorrect - Does not provide the step-by-step calculation for the correct dose.
C. Incorrect - Does not consider the total daily dose and round to the nearest hundredth.
D. Incorrect - Does not address the specific dose calculation for morphine sulfate.
E. Incorrect - Does not
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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