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.)
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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Hypoparathyroidism is a disorder in which the parathyroid glands produce insufficient amounts of parathyroid hormone, which regulates calcium and phosphorus levels in the body. In hypoparathyroidism, there is a decreased level of calcium in the blood, which can result in carpal spasm or tetany when pressure is applied to the upper arm.
Therefore, the nurse should review the child's calcium level (D) to determine if it is within the normal range. Low calcium levels can cause muscle spasms, seizures, and cardiac arrhythmias. Hypocalcemia may also result in other symptoms such as numbness, tingling, and muscle cramps.
Potassium (A), chloride (B), and sodium (C) are electrolytes that play important roles in various physiological processes in the body, but they are not directly related to the development of carpal spasm in a child with hypoparathyroidism. While hypokalemia (low potassium) or hyponatremia (low sodium) can cause muscle weakness or cramps, these conditions are not typically associated with carpal spasm in hypoparathyroidism.
Correct Answer is C
Explanation
Infants with congenital heart defects may have difficulty with feeding due to increased effort required to breathe and feed at the same time. This can lead to poor weight gain and dehydration. Thus, it is important for the nurse to report any signs of poor feeding or oral intake to the healthcare provider. While audible heart murmur (choice A)and a high heart rate (choice B)are expected findings in infants with congenital heart defects, they do not necessarily indicate a need for immediate intervention. Weight gain of 2.2 lbs. (1 kg) in the last 48 hours (choice D)may actually be a positive finding in an infant with a congenital heart defect, but it is not as important to report as poor oral intake and suckling effort.
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