Calculate the proper dosage based on body surface area for the ...

[frankwu]

Calculate the proper dosage based on body surface area for the pediatric child if the child's body surface area is 1.1 m2 and the normal dosage of the medication is 80 mg for a body surface area of 1.7 m2.
 
  ____ mg
 
  Record the answer rounding to the nearest tenth.

Question 2

The health care provider prescribes 0.2 mg/kg every 4 hours for the pediatric client who weighs 35 pounds. The medication is mixed 10 mg per 1 mL.
 
  How many mL of medication would the nurse administer for each dose?
 
  ____ mL
 
  Record answer rounding to the nearest hundredth.

[chloejackso]

Answer to Question 1

Correct Answer: 51.8
1.1 m2/1.7 m2 X 80 = 51.8 mg

Answer to Question 2

Correct Answer: 0.32

This is a multistep problem. First, the nurse calculates the child's weight in kilograms by dividing 35 pounds by 2.2 because 2.2 kg = 1 pound. The child's weight in kg is 15.91. 0.2 mg is to be given for every kg of body weight, so to determine the proper dosage, multiply 0.2 X 15.91 = 3.182 mg or 3.2 mg. The medication is supplied with 10 mg in every 1 mL. Using the ratio method, 10 mg:1 mL = 3.2 mg: x, 10 X x = 1 X 3.2. Divide both sides by 10: 10x  10 = 3.2  10 or x = 0.32.

[frankwu]

Excellent

[daiying98]

Gracias!