A nurse is assisting with the care of a client who is experiencing postpartum bleeding. The nurse is preparing to administer methylergonovine 0.4 mg PO. Available is methylergonovine 200 mcg tablets. How many tablets 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"]
1 mg = 1000 mcg
Prescribed dose: 0.4 mg Converted to mcg: 0.4 mg x 1000 = 400 mcg
Available tablets: 200 mcg each
Next, we divide the prescribed dose by the strength of the available tablets:
400 mcg / 200 mcg per tablet = 2 tablets
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3"]
Explanation
Given:
Desired dose of glipizide: 15 mg
Concentration of glipizide tablets: 5 mg/tablet
Step 1: Calculate the number of tablets:
Number of tablets = Desired dose (mg) / Concentration per tablet (mg/tablet)
Number of tablets = 15 mg / 5 mg/tablet
Number of tablets = 3 tablets
Correct Answer is ["50"]
Explanation
Desired dose of magnesium sulfate: 2 g/hr
Concentration of magnesium sulfate solution: 40 g in 1,000 mL
Step 1: Calculate the desired volume of magnesium sulfate per hour:
Volume of magnesium sulfate per hour = Desired dose (g/hr) / Concentration (g/mL)
Volume of magnesium sulfate per hour = 2 g/hr / (40 g / 1,000 mL)
Volume of magnesium sulfate per hour = 2 g/hr / 0.04 g/mL
Volume of magnesium sulfate per hour = 50 mL/hr
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