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The primary healthcare provider (PHCP) prescribes 100 mL of 0.9% saline to infuse over 45 minutes. How many mL per hour will the nurse administer to the client? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 133 mL/hr
Rationale: Convert 45 minutes to 0.75 hours. Flow rate: 100 mL ÷ 0.75 hr = 133.33 mL/hr, rounded to 133 mL/hr.
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The primary healthcare provider (PHCP) prescribes 500 mg of intravenous (IV) metronidazole to be administered over thirty minutes. The pharmacy supplies the medication in a bag labeled 500 mg of metronidazole in 100 mL of 0.9% saline. How many mL/hour should the nurse administer to the client? Fill in the blank.
Correct Answer: 200 mL/hr
Rationale: Convert 30 minutes to 0.5 hours. Flow rate: 100 mL ÷ 0.5 hr = 200 mL/hr.
The primary healthcare provider (PHCP) prescribes 100 mL of 0.9% sodium chloride (normal saline) to infuse over two hours via intravenous microdrip tubing. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 50 drops per minute
Rationale: Microdrip tubing has a drop factor of 60 gtts/mL. Calculate: (100 mL × 60 gtts/mL) ÷ (2 hr × 60 min/hr) = 6000 gtts ÷ 120 min = 50 gtts/min.
The nurse is calculating intake for a client for the previous twelve-hour shift. The client received: ,¢ One 150 mL intravenous antibiotic ,¢ One eight-ounce cup of coffee ,¢ One eight-ounce cup of ice cream ,¢ Three eight-ounce cups of water ,¢ Two 10 mL sodium chloride (normal saline) flushes. The nurse should calculate the client's total intake as how many mL? Fill in the blank.
Correct Answer: 1130 mL
Rationale: Convert ounces to mL: 8 oz = 240 mL. Total: 150 mL (antibiotic) + 240 mL (coffee) + 240 mL (ice cream) + 720 mL (3 cups water) + 20 mL (flushes) = 1130 mL.
The primary healthcare provider (PHCP) prescribes magnesium sulfate at 2 grams/hour. The nurse has magnesium sulfate 20 grams in 500 mL of 0.9% saline on hand. How many mL per hour will the nurse administer? Fill in the blank.
Correct Answer: 50 mL/hr
Rationale: Calculate: (2 g/hr ÷ 20 g) × 500 mL = 50 mL/hr.
A nurse is preparing to administer vancomycin to a child. The order is for 50 mg/kg/day in three divided doses. The client weighs 13 kg (28.6 lbs). The medication label indicates vancomycin 500 mg in 100 mL of 0.9% saline. How many mL will the nurse administer per dose? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 43 mL
Rationale: Calculate daily dose: 50 mg/kg × 13 kg = 650 mg. Per dose: 650 mg ÷ 3 = 216.67 mg. Convert: (216.67 mg ÷ 500 mg) × 100 mL = 43.33 mL, rounded to 43 mL.