A child is ordered Phenytoin 75 mg po twice a day.
The reference safe dose is 7-9mg/kg/day
The child weighs 12kg
What is the minimum dose this child should receive per day?
The Correct Answer is ["84"]
To determine the minimum dose for this child based on the reference safe dose range, follow these steps:
Reference safe dose range: Minimum dose = 7 mg/kg/day.
Child's weight: 12 kg.
Calculate the minimum dose:
Minimum dose=7 mg×12 kg=84 mg/day
Nursing Test Bank
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Related Questions
Correct Answer is D
Explanation
A. "The blood supply to the bone is disrupted." – Incorrect. While fractures can affect blood flow, the main concern with epiphyseal plate fractures is growth impairment.
B. "The younger the child, the longer the healing process will take." – Incorrect. Younger children heal faster than older children or adults due to active bone remodeling.
C. "Bone marrow can be lost through the fracture." – Incorrect. Epiphyseal fractures do not cause bone marrow loss.
D. "Normal bone growth can be affected." – Correct. The epiphyseal plate is responsible for bone growth, and injury to this area can lead to growth disturbances or limb length discrepancies.
Correct Answer is D
Explanation
A. Low systolic blood pressure in the upper extremities and elevated systolic blood pressure in the lower extremities. – Incorrect. Coarctation of the aorta causes the opposite finding.
B. Elevated systolic blood pressure in the upper extremities and elevated systolic blood pressure in the lower extremities. – Incorrect. Blood pressure in the lower extremities is reduced due to decreased blood flow.
C. Low systolic blood pressure in the upper extremities and low systolic blood pressure in the lower extremities. – Incorrect. Coarctation of the aorta leads to hypertension in the upper body due to increased resistance.
D. Elevated systolic blood pressure in the upper extremities and low systolic blood pressure in the lower extremities. – Correct. Coarctation of the aorta causes high BP in the arms and low BP in the legs due to obstructed blood flow past the narrowing.
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