A child who weighs 10 kg will begin taking oral ...

[renzo156]

A child who weighs 10 kg will begin taking oral trimethoprim-sulfamethoxazole (TMP-SMX). The liquid preparation contains 40 mg of TMP and 200 mg of SMX per 5 mL.
 
  The nurse determines that the child's dose should be 8 mg of TMP and 40 mg of SMX/kg/day divided into two doses. Which order for this child is correct?
  a. 5 mL PO BID
  b. 5 mL PO daily
  c. 10 mL PO BID
  d. 10 mL PO daily

Question 2

The nurse is caring for a patient who is taking trimethoprim-sulfamethoxazole (TMP-SMX). The nurse learns that the patient takes an angiotension-converting enzyme (ACE) inhibitor.
 
  To monitor for drug interactions, the nurse will request an order for which laboratory test(s)?
  a. A complete blood count
  b. BUN and creatinine
  c. Electrolytes
  d. Glucose

[tsternbergh47]

Answer to Question 1

ANS: A
This child should receive (10 kg  8 mg) 80 mg of TMP and (10 kg  40 mg) 400 mL of SMX per day. When divided into two doses, the correct dose is 40 mg TMP and 200 mg SMX, or 5 mL per dose.

Answer to Question 2

ANS: C
TMP-SMX can result in hyperkalemia when taken with an ACE inhibitor.

[renzo156]

Thank you!

[tsternbergh47]

Always glad to help...