CRNI CRNI Peripheral Vascular Access and IV Site Management

Question 1

Which catheter gauge is most appropriate for administering a blood transfusion in an adult patient?

Accepted Answer

18–20 gauge

Answer

An 18–20 gauge catheter allows adequate blood flow without causing hemolysis.

Question 2

According to INS standards, how often should peripheral IV sites be assessed for complications?

Accepted Answer

Every 4 hours and with each infusion

Answer

INS requires peripheral IV site assessment every 4 hours and with each infusion to detect early complications.

Question 3

Which vein is the preferred site for peripheral IV insertion in adults?

Accepted Answer

Forearm veins such as the cephalic or basilic

Answer

Forearm veins like the cephalic and basilic are preferred because they are stable and away from joints.

Question 4

Per current INS guidelines, when should a peripheral IV catheter be replaced?

Accepted Answer

Based on clinical indication, not on a routine schedule

Answer

INS now recommends replacing peripheral IVs based on clinical indication rather than routine timed replacement.

Question 5

Which site should be AVOIDED for peripheral IV insertion in a patient who had a right-sided mastectomy?

Accepted Answer

Right arm

Answer

The right arm must be avoided after a right-sided mastectomy because impaired lymphatic drainage increases the risk of lymphedema and infection.

CRNI Exam Practice Test