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.
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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Related Questions
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.
Correct Answer is C
Explanation
A. Rubella:
Rubella, also known as German measles, typically presents with a rash that starts on the face and spreads to the trunk and limbs. It does not cause Koplik spots, the small red spots with a blue-white center mentioned in the scenario.
B. Varicella:
Varicella, or chickenpox, is characterized by an itchy rash that progresses to fluid-filled vesicles. It does not typically involve Koplik spots, and the scenario doesn't describe a vesicular rash.
C. Rubeola (Measles):
Rubeola, or measles, presents with symptoms such as high fever, cough, rhinitis, and conjunctivitis. The characteristic Koplik spots, small red spots with a blue-white center, often appear on the buccal mucosa. This matches the description in the scenario.
D. Infectious Mononucleosis:
Infectious Mononucleosis is characterized by symptoms like fever, sore throat, and swollen lymph nodes. It does not present with the specific buccal membrane spots seen in measles, and the scenario does not mention other typical signs of infectious mononucleosis.
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