CRNI Pediatric Infusion Therapy Practice Test 2

Question 1

What is the most important consideration when selecting an infusion pump for pediatric therapy?

Accepted Answer

Ability to deliver in increments of 0.1 mL/hr or less

Answer

The ability to deliver fluid in very small increments (0.1 mL/hr or less) is the most critical feature of a pediatric infusion pump. This precision prevents fluid overload and ensures accurate medication dosing, which is essential given the narrow therapeutic margins in children.

Question 2

A pediatric patient receiving total parenteral nutrition (TPN) develops hyperglycemia. What is the most likely cause?

Accepted Answer

Dextrose concentration exceeding the child's glucose utilization rate

Answer

Hyperglycemia in pediatric TPN patients is most commonly caused by a dextrose concentration that exceeds the child's glucose utilization rate. Children have variable glucose tolerance, and infusion rates must be carefully titrated starting at lower concentrations.

Question 3

What is the maximum recommended dextrose concentration for peripheral IV infusion in pediatric patients?

Accepted Answer

12.5%

Answer

The maximum recommended dextrose concentration for peripheral infusion in pediatric patients is 12.5%. Higher concentrations are hyperosmolar and can cause vein irritation, phlebitis, and tissue necrosis if infiltration occurs. Concentrations above 12.5% require central venous access.

Question 4

Which assessment finding in a pediatric patient most strongly suggests infiltration at the IV site?

Accepted Answer

Cool, pale, and edematous tissue around the insertion site

Answer

Cool, pale, and edematous tissue around the insertion site is the hallmark of infiltration, indicating that IV fluid is leaking into the surrounding tissue. This differs from phlebitis, which presents with warmth and erythema, or infection, which shows purulent drainage.

Question 5

When using a volume-control set (burette) for pediatric infusion, what is the primary safety advantage?

Accepted Answer

It limits the maximum volume that can infuse at one time

Answer

A volume-control set (burette) limits the maximum volume that can infuse at one time by allowing the nurse to fill only a small measured amount. This provides a critical safety mechanism against accidental fluid overload in pediatric patients if the pump malfunctions or the rate is set incorrectly.

CRNI Exam Practice Test

CRNI Exam Practice Test

CRNI Pediatric Infusion Therapy Practice Test 2