The health-care provider prescribes phytonadione (AquaMEPHYTON) 250 mcg IM to be administered to an infant within 1 hour of admission to the nursery. A 0.5 ml ampule labeled 2 mg in 1 ml is available. The nurse should administer how many ml? (Enter numeric value only. If rounding is required, round to the nearest hundredth.)
The Correct Answer is ["0.13"]
To calculate the volume of phytonadione (AquaMEPHYTON) to be administered, we can use the following formula:
Volume (mL) = Desired Dose (mg) / Concentration (mg/mL)
First, let's convert the desired dose from micro-grams to milligrams:
250 mcg x (1 mg / 1000 mcg) = 0.25 mg
Then, plug in the values into the formula:
Volume (mL) = 0.25 mg / 2 mg/mL
Calculating the result:
Volume (mL) = 0.125 mL
Rounding to the nearest hundredth, the nurse should administer 0.13 mL of phytonadione (AquaMEPHYTON).
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Related Questions
Correct Answer is ["2"]
Explanation
To calculate the number of additional tablets needed, we'll first determine the total number of tablets required for the new dose of 20 mg.
Step 1: Calculate the total number of tablets needed for the new dose:
Total Tablets = Desired Dose (mg) / Tablet Strength (mg)
Total Tablets = 20 mg / 5 mg/tablet
Total Tablets = 4 tablets
Step 2: Determine the number of tablets already administered:
The nurse administered 10 mg, which is equivalent to 2 tablets (since each tablet is 5 mg).
Step 3: Calculate the number of additional tablets needed:
Additional Tablets = Total Tablets - Tablets Already Administered
Additional Tablets = 4 tablets - 2 tablets
Additional Tablets = 2 tablets
Therefore, the nurse should administer 2 additional tablets of benazapril to reach the new prescribed dose of 20 mg.
Correct Answer is B
Explanation
Step 1: Calculate the infant's weight in kilograms:
22 pounds x (1 kg / 2.20462 pounds) ≈ 10 kg
Step 2: Calculate the recommended maximum daily dose:
Recommended Maximum Dose = 3.5 mg/kg/day x 10 kg
Recommended Maximum Dose = 35 mg/day
Step 3: Calculate the prescribed daily dose:
Prescribed Daily Dose = 0.87 mg/dose x 4 doses/day
Prescribed Daily Dose = 3.48 mg/day
Step 4: Compare the prescribed dose to the recommended maximum dose:
The prescribed daily dose (3.48 mg/day) is slightly above the recommended maximum daily dose (35 mg/day).
Therefore, the nurse should:
B. Assess the child's heart rate before administration.
While the prescribed dose is slightly above the recommended maximum, it's important to monitor the child's heart rate to ensure there are no adverse effects. If the heart rate is within the normal range, the medication can be administered. However, if there are any concerns, the nurse should consult with the health-care provider.
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