Chapter 11 Pediatrics

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Chapter 11  Pediatrics

 

 

Complete Chapter Questions And Answers
 

Sample Questions

 

SHORT ANSWER

 

1. A child has a respiratory infection.
Order: cefixime (Suprax) 80 mg, PO, q12h
Child’s weight: 44 lb, or 20 kg
Pediatric dose parameter: 8 mg/kg/day in a single dose or two divided doses
Drug available: Suprax 100 mg/5 mL oral suspension
a. Is the dose within safe dose parameters? Explain.
b. How many milliliters of Suprax would you give per dose?

ANS:
a. Yes. The dose is 80 mg × 2/day (q12h) = 160 mg/day, and parameter is 8 mg/kg/day × 20 kg = 160 mg/day, or the same.
b. 4 mL of Suprax per dose

2. A small child has an ear infection.
Order: amoxicillin (Amoxil) 75 mg, PO, q8h
Child’s weight: 70 lb, or 32 kg
Pediatric dose parameter: 20 to 40 mg/kg/day in three divided doses
Drug available:

a. How many milligrams of amoxicillin would the child receive per day?
b. Is the dose within safe dose parameters? Explain.
c. How many milliliters of Amoxil would you give per dose?

ANS:
a. 75 mg × 3 doses (q8h) = 225 mg/day
b. Yes. The dose (20 mg/kg/day × 32 kg = 640 mg/day) is less than the parameter (40 mg/kg/day × 32 kg = 1280 mg/day).
c. 3 mL of Amoxil per dose. The nurse may want to check with the physician to see whether this dose is adequate.

3. A child has a staph infection.
Order: clindamycin 150 mg, PO, q6h
Child’s weight: 40 lb, or 18 kg
Pediatric dose parameter: 8 to 25 mg/kg/day in three or four divided doses
Drug available: clindamycin 75 mg/mL oral solution
a. How many milligrams of clindamycin would the child receive per day?
b. Is the dose within safe dose parameters? Explain.
c. How many milliliters of clindamycin would you give per dose?

ANS:
a. 150 mg × 4/day (q6h) = 600 mg/day
b. No. The clindamycin dose (600 mg/day) exceeds the safe dose parameters (8 mg/kg/day × 18 kg = 144 mg/day to 25 mg/kg/day × 18 kg = 450 mg/day). Drug dose per day is unsafe.
c. Do not give; notify the physician at once.

4. A child has otitis media.
Order: cefaclor (Ceclor) 0.25 g, PO, q8h
Child’s weight: 66 lb
Pediatric dose parameter: 20 to 40 mg/kg/day in three divided doses; maximum: 1 g/day
Drug available: Ceclor 250 mg/5 mL
a. How many kilograms does the child weigh?
b. How many milligrams would the child receive per day?
c. Is the dose within safe dose parameters? Explain.
d. How many milliliters of Ceclor would you give per dose?

ANS:
a. 66 lb ÷ 2.2 kg/lb = 30 kg
b. Order: 250 mg × 3 (q8h) = 750 mg/day
c. Yes. The dose per day (750 mg/day) is within safe dose parameters (20 mg/kg/day × 30 kg = 600 mg/day to 40 mg/kg/day × 30 kg = 1200 mg/day).
d. 5 mL of Ceclor per dose
Change 0.25 g to mg by moving the decimal point three places to the right (250 mg).
RP: H : V :: D : x
250 mg : 5 mL :: 250 mg : x mL
250x = 1250 mL
x = 5 mL
OR

5. A child has otitis media.
Order: cefaclor (Ceclor) 100 mg, PO, q8h
Child’s weight: 30 lb
Pediatric dose parameter: 20 to 40 mg/kg/day in three divided doses
Drug available:

a. How many kilograms does the child weigh?
b. How many milligrams would the child receive per day?
c. Is the dose within safe dose parameters? Explain.
d. How many milliliters of Ceclor would you give per dose?

ANS:
a. 30 lb ÷ 2.2 kg/lb = 13.6 kg
b. 300 mg/day
c. Yes. The dose per day (300 mg/day) is within safe dose parameters (20 mg/kg/day × 13.6 kg = 272 mg/day to 40 mg/kg/day × 13.6 kg = 544 mg/day).
d. 4 mL of Ceclor per dose

 

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