A child who weighs 18 pounds receives a prescription for amoxicillin 25 mg/kg/day by mouth in divided doses every 12 hours. The bottle is labelled, "Amoxicillin for Oral Suspension, USP 400 mg per 5 mL." How many mL should the nurse administer with each dose?

(Enter numerical value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["1.3"]

1.3 mL of amoxicillin suspension with each dose.

To calculate the correct dose of amoxicillin to give to the child, follow these steps:

Step 1: Convert the child's weight from pounds to kilograms. 18 pounds ÷ 2.2 = 8.18 kilograms

Step 2: Calculate the total daily dose of amoxicillin. 25 mg/kg/day x 8.18 kg = 204.5 mg/day

Step 3: Divide the total daily dose into two equal doses to be given every 12 hours. 204.5 mg/day ÷ 2 doses = 102.25 mg/dose

Step 4: Determine how many mL of the suspension contain 102.25 mg of amoxicillin. 400 mg/5 mL = 80 mg/mL 102.25 mg ÷ 80 mg/mL = 1.28 mL

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Correct Answer is B

Explanation

The American Academy of Pediatrics (AAP) and the Centers for Disease Control and Prevention (CDC) recommend that the first dose of MMR vaccine be given at 12-15 months of age.

A. 6 months is too early for the MMR vaccine.

D. 2 months is also too early for the MMR vaccine.

C. 24 months is slightly beyond the recommended range for the first dose of MMR vaccine, which is given between 12-15 months of age.

A. Rebound tenderness in the left lower abdominal quadrant. B. Stool that consists of mucus and blood. C. Olive-size mass in the epigastric area. D. Frequent burping accompanied by poor feeding.

Correct Answer is C

Explanation

In a 5-week-old infant presenting with a history of projectile vomiting after feedings, the nurse should expect to assess an olive-size mass in the epigastric area. This finding is consistent with pyloric stenosis, a condition in which the muscle at the bottom of the stomach that controls the ﬂow of food into the small intestine becomes thickened and narrowed.

Rebound tenderness in the left lower abdominal quadrant, stool that consists of mucus and blood, and frequent burping accompanied by poor feeding are not typically associated with pyloric stenosis.

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Naxlex Comprehensive Predictor Exams

The parent of an infant asks when the baby's first immunization for measles, mumps, and rubella (MMR) should be given. Which age should the nurse provide the parent?

Correct Answer is B

Explanation

The nurse is caring for a 5-week-old infant presenting with a history of projectile vomiting after feedings. Which additional finding should the nurse expect to assess?

Correct Answer is C

Explanation

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