An infant weighing 6 pounds 3 ounces has morphine 0.5 mg IV q 2 hours prn ordered for post op pain. The recommended dosage for a child is 0.1-0.2 mg/kg/dose q2-4 hours prn. Prove mathematically the ordered dose by the physician (mg/kg/dose) and is it safe to give.

Answer and Explanation

The Correct Answer is ["0.1696"]

To calculate the ordered dose by the physician in mg/kg/dose, we need to convert the infant's weight from pounds and ounces to kilograms. One pound is equal to 0.4536 kg and one ounce is equal to 0.02835 kg. Therefore, the infant's weight in kilograms is:

6 x 0.4536 + 3 x 0.02835 = 2.948 kg

The ordered dose by the physician is 0.5 mg IV q 2 hours prn. To find the dose in mg/kg/dose, we divide the dose in mg by the weight in kg:

0.5 / 2.948 = 0.1696 mg/kg/dose

The recommended dosage for a child is 0.1-0.2 mg/kg/dose q2-4 hours prn. The ordered dose by the physician falls within this range, so it is a safe dosage for the infant.

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Correct Answer is ["612.375"]

Explanation

To calculate the ordered dose of Ceftriaxone in mg/kg/day, we can follow these steps:

Convert the weight to kg:

Weight in kg= Weight in lbs /2.2046

Weight in kg= 18lbs/2.2046≈8.165 kg

Calculate the daily dosage range:

Using the recommended dosage range of 50-75 mg/kg/day:

Minimum daily dosage= 50mg/kg/day × Weight in kg

Maximum daily dosage =75mg/kg/day×Weight in kg

Calculate the ordered dose:

Ordered dose=Dosage per administration × Frequency per day

Ordered dose= 300mg×2times per day= 600mg/day

Now, let's calculate the daily dosage range:

Minimum daily dosage=50mg/kg/day×8.165kg=408.25mg/day

Maximum daily dosage=75mg/kg/day×8.165kg=612.375mg/day

The ordered dose of 600 mg/day falls within the calculated range of 408.25-612.375 mg/day, so the ordered dose is within the recommended dosage range for a serious infection.

Therefore, the ordered dose of Ceftriaxone 300 mg IV Q12H for a 6-month-old infant weighing 18 lbs is considered safe based on the calculated dosage range.

A. At 6 months, you need to quit breast-feeding because he is not getting enough iron or Vitamin C and D and that should help him transition to solids better. B. The first food offered to an infant is iron-enriched rice cereal and can be started now. Additionally, the infant needs to receive Vitamin D and iron. C. If you give him one or two bottles of juice each day, he should get all the vitamins he needs. You can begin fruits and cereal in 1 month. D. You can begin feeding the infant fruits and vegetables now followed by iron-enriched cereal to ensure that he gets enough iron.

Correct Answer is B

Explanation

A. At 6 months, you need to quit breast-feeding because he is not getting enough iron or Vitamin C and D and that should help him transition to solids better:

This statement is incorrect. Breastfeeding is recommended for the first six months, and then complementary foods can be introduced while continuing breastfeeding. Breast milk is a primary source of nutrition, and iron and vitamins are typically supplemented as needed.

B. The first food offered to an infant is iron-enriched rice cereal and can be started now. Additionally, the infant needs to receive Vitamin D and iron:

This statement is accurate. Iron-enriched rice cereal is often recommended as a first solid food for infants, and vitamin D supplementation is commonly advised, especially for breastfed infants, as breast milk may not provide enough vitamin D.

C. If you give him one or two bottles of juice each day, he should get all the vitamins he needs. You can begin fruits and cereal in 1 month:

This statement is not recommended. Juice is not recommended for infants, especially in large quantities, as it can interfere with proper nutrition and contribute to dental issues. Also, introducing fruits and cereals should be done gradually, following appropriate guidelines.

D. You can begin feeding the infant fruits and vegetables now followed by iron-enriched cereal to ensure that he gets enough iron:

While introducing fruits and vegetables is a part of introducing solids, iron-enriched cereal is often recommended earlier as a source of iron. The recommendation for iron-enriched rice cereal aligns more with the typical guidance for introducing solids to infants.

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An infant weighing 6 pounds 3 ounces has morphine 0.5 mg IV q 2 hours prn ordered for post op pain. The recommended dosage for a child is 0.1-0.2 mg/kg/dose q2-4 hours prn. Prove mathematically the ordered dose by the physician (mg/kg/dose) and is it safe to give.

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Naxlex Comprehensive Predictor Exams

Order: Ceftriaxone 300 mg IV Q12H for a 6 month old infant with a serious infection who weighs 18 lbs. The recommended dosage is 50-75 mg/kg/day in divided doses BID. Prove mathematically (mg/kg/day) the ordered dose and is it safe to give Safe/Unsafe)?

Correct Answer is ["612.375"]

Explanation

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Correct Answer is B

Explanation

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