A nurse is preparing, to administer ampicillin 150 mg IM to an infant. Available is ampicillin injection 250 mg/mL. How many mL should the nurse administer? Round the answer off to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.6"]
Given:
Desired dose of ampicillin: 150 mg
Concentration of ampicillin injection: 250 mg/mL
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
150 mg / Volume = 250 mg/mL
Step 3: Solve for the unknown volume:
Volume = 150 mg / 250 mg/mL
Step 4: Calculate the volume:
Volume = 0.6 mL
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Related Questions
Correct Answer is ["100"]
Explanation
Given:
Total volume to be infused: 50 mL
Infusion time: 30 minutes
Step 1: Convert infusion time to hours:
Infusion time (hr) = 30 min / 60 min/hr
Infusion time (hr) = 0.5 hr
Step 2: Calculate the infusion rate:
Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hr)
Step 3: Substitute the values:
Infusion rate (mL/hr) = 50 mL / 0.5 hr
Step 4: Calculate the infusion rate:
Infusion rate (mL/hr) = 100 mL/hr
Correct Answer is ["120"]
Explanation
Given:
Desired dose of ferrous sulfate: 0.12 g
Conversion factor: 1 g = 1,000 mg
Step 1: Convert grams to milligrams:
Desired dose in mg = Desired dose in g x Conversion factor (mg/g)
Desired dose in mg = 0.12 g x 1,000 mg/g
Desired dose in mg = 120 mg
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