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

Continue the draw as quickly as possible

Answer

Apply a tourniquet above the hematoma

Answer

Massage the area to disperse the blood

Question 2

Which finding during venipuncture indicates an accidental arterial puncture?

Accepted Answer

Bright red blood that pulses into the tube

Answer

Dark red blood with very slow flow

Answer

Blood that clots immediately in the tube

Answer

No initial blood return

Question 3

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

Accepted Answer

A coagulation or platelet disorder

Answer

A normal response to tourniquet pressure

Answer

Local infection at the venipuncture site

Answer

Superficial phlebitis

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

Redirect the needle slightly to improve position

Answer

Reassure the patient that this sensation is normal

Answer

Apply more downward pressure on the needle

Question 5

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

Accepted Answer

Basilic vein

Answer

Cephalic vein

Answer

Median cubital vein

Answer

Accessory cephalic vein

Question 6

The BEST preventive measure against vasovagal syncope (fainting) during phlebotomy is:

Accepted Answer

Having the patient lie down or recline before and during collection

Answer

Collecting the specimen as quickly as possible

Answer

Applying a cold compress to the forehead before collection

Answer

Drawing from the hand vein rather than the antecubital fossa