A nurse is preparing to administer acetaminophen 15 mg/kg PO to a preschool child for fever. The child weighs 30 lb. Available is acetaminophen liquid 160 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["6.4"]
Convert the child's weight from pounds to kilograms:
Weight in pounds: 30 lb
Conversion: 1 lb ≈ 0.454 kg
Weight in kg: 30 lb× 0.454 kg/lb =13.62 kg
30lb×0.454kg/lb=13.62kg
Calculate the dose in mg:
Dose: 15 mg/kg
15 mg/kg ×13.62kg=204.3 mg
Determine the volume to administer:
Available concentration: 160 mg/5 mL
Volume in mL:
204.3 mg ÷160 mg/5 mL
= 204.3mg×5ml ÷160mg
=6.4mL
The nurse should administer 6.4 mL of acetaminophen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Sodium 142 mEq/L: This is within the normal range for sodium (135-145 mEq/L) and does not indicate a problem that needs immediate attention.
B. Urine specific gravity 1.025: This value is on the higher end of the normal range for urine specific gravity (1.010-1.030) and indicates concentration of urine, which can occur in mild dehydration. It is not critical but indicates the need for monitoring.
C. Potassium 2.5 mEq/L: This is below the normal range for potassium (3.5-5.0 mEq/L) and indicates hypokalemia, which can cause serious cardiac issues and muscle weakness. It is a priority to correct this imbalance to prevent complications.
D. Blood glucose 110 mg/dL: This is within the normal range for blood glucose levels (70-110 mg/dL) for children and does not indicate an immediate concern related to dehydration.
Correct Answer is D
Explanation
A. "I will immediately report irregular respirations." Irregular respirations can be normal in infants, as their breathing patterns are often irregular. Immediate reporting is not typically necessary unless there are other signs of distress.
B. "I will immediately report a respiratory rate of 28." A respiratory rate of 28 is low for a 1-month-old infant, but immediate reporting depends on the overall clinical picture and other signs of distress. Normal respiratory rates for this age are usually between 30-60 breaths per minute.
C. "I will count the baby's respirations for 30 seconds and multiply by two." While this method is used for older children and adults, it’s not ideal for infants due to their irregular breathing patterns. Counting for a full minute provides a more accurate assessment.
D. "I will count the baby's respirations by observing abdominal movements." This is correct. In infants, respiration is primarily diaphragmatic, making abdominal movements a reliable indicator of respiratory rate.
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