A child weighs 6 lbs and is to receive Ampicillin 50 mg/kg/24 hrs and then it’s divided into q hr doses.
How many mg will he receive with each dose?
90 mg
60 mg
36 mg
290 mg .
The Correct Answer is C
The correct answer is Choice C.
Step 1: Convert the child’s weight from lbs to kg.
Since 1 lb is approximately 0.45 kg, a child who weighs 6 lbs weighs approximately 2.72 kg (6 lbs × 0.45 =2.72 kg). Step 2: Calculate the total daily dose of Ampicillin. The total daily dose is 50 mg/kg/day, so for a child who weighs 2.72 kg, the total daily dose would be approximately 136 mg (50 mg/kg/day × 2.72 kg = 136 mg/day). Step 3: Since the total daily dose is divided into q hr doses (4 doses per day), each dose would be approximately 34 mg (136 mg/day ÷ 4 doses/day = 34 mg/dose). So, the child will receive approximately 34 mg of Ampicillin with each dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3.125"]
Explanation
The child weighs 22 lb, which is approximately 10 kg (since 1 kg is approximately 2.2 lb).
The prescribed dose of acetaminophen is 10 mg/kg. Step 1 is: Calculate the total dose of acetaminophen for the child. This is done by multiplying the child’s weight in kg by the prescribed dose in mg/kg. 10 kg×10 mg/kg=100 mg The available acetaminophen liquid is 160 mg/5 mL. Step 2 is: Calculate the volume of acetaminophen liquid to administer. This is done by setting up a proportion with the total dose of acetaminophen and the concentration of the available liquid. x mL100 mg=5 mL160 mg Solving for x gives: x=160 mg mg×5 mL=3.125 mL Therefore, the nurse should administer approximately 3.125 mL of the acetaminophen liquid. .
Correct Answer is A
Explanation
Choice A rationale
A urine specific gravity of 1.034 is higher than the normal range (1.002-1.030), indicating that the urine is more concentrated due to a lack of hydration.
Choice B rationale
A bounding pulse is not typically associated with dehydration. Dehydration more commonly results in a weak, rapid pulse.
Choice C rationale
A blood pressure reading of 46/94 mm Hg is not indicative of dehydration. Dehydration often leads to low blood pressure.
Choice D rationale
Distended neck veins are not a typical sign of dehydration. Dehydration can lead to decreased blood volume, which would not cause distension of the neck veins.
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