Author Question: An infant appears dehydrated. Laboratory results indicate a serum sodium of 143 mEq/L. Which fluid ... (Read 43 times)

saraeharris · **on:** Jun 28, 2018

An infant appears dehydrated. Laboratory results indicate a serum sodium of 143 mEq/L. Which fluid would the nurse use for IV replacement?

A.
0.45 normal saline
B.
0.9 normal saline
C.
3 normal saline
D.
D5W with 20 mEq KCL

Question 2

A school-age female child has a urinary tract infection (UTI). The culture has come back positive for Escherichia coli. Which teaching measure is most important for the nurse to include in the teaching plan?

A.
Avoid bubble baths and nylon panties.
B.
Offer the child fluids frequently.
C.
Place the child on a voiding schedule.
D.
Teach the child to wipe from front to back.

pocatato · **Reply #1 on:** Jun 28, 2018

Answer to Question 1

ANS: B
This child has an isotonic dehydration, in which fluids and solutes are lost in balanced proportions, as evidenced by the normal serum sodium level. The child needs an isotonic IV solution, which would be 0.9 normal saline. The 0.45 normal saline (half normal saline) is hypotonic, as is D5W, with or without potassium. The 3 normal saline is hypertonic.

Answer to Question 2

ANS: D
All items are appropriate to teach when a child has a UTI. However, E. coli infection stems from contamination with fecal material. The female child should be taught to wipe from front to back to prevent this cross-contamination.