ASCP ASCP Venipuncture Complications and Special Procedures

Question 1

A hematoma begins forming during venipuncture. The phlebotomist should FIRST:

Accepted Answer

Remove the needle and apply firm pressure immediately

Answer

When a hematoma forms, the needle must be removed immediately and firm pressure applied to stop blood from leaking into surrounding tissue.

Question 2

Which finding during venipuncture indicates an accidental arterial puncture?

Accepted Answer

Bright red blood that pulses into the tube

Answer

Arterial blood is oxygenated, appearing bright red, and pulses into the tube due to the higher pressure in arteries.

Question 3

Small pinpoint hemorrhages (petechiae) appearing on the forearm after tourniquet application may indicate:

Accepted Answer

A coagulation or platelet disorder

Answer

Petechiae suggest abnormal platelet function or a coagulopathy and should be reported to the ordering clinician.

Question 4

A patient reports a sharp, shooting pain radiating down the arm during needle insertion. The phlebotomist should:

Accepted Answer

Remove the needle immediately and document the incident

Answer

Radiating pain indicates possible nerve contact or injury; the needle must be removed at once and the incident fully documented.

Question 5

Which antecubital vein carries the HIGHEST risk for nerve and arterial injury during venipuncture?

Accepted Answer

Basilic vein

Answer

The basilic vein is located near the median cutaneous nerve and brachial artery, making it the highest-risk antecubital site.

ASCP Phlebotomy Technician Exam Practice Test