Chapter 6 : Phlebotomy Fundamental Essentials

Question 1

ARTERIAL PUNCTURE

Answer 1

Venipuncture

Blood collected in the collection tube as a result of an arterial puncture would be pulsating and bright red in color.

If this occurs post-procedure apply pressure to the area 5-10 minutes or until bleeding stops.

Check your facility policy on unintentional arterial punctures.

Question 2

COLLAPSED VEIN

Answer 2

Internal swelling of the vein due to repeated injury —> causes the vein to block temporarily

The vacuum in the blood collection tube —- (may cause collapsed vein) may occur due to the size of the vein or other factors

Question 3

EXCESSIVE BLEEDING

Answer 3

Result of an improper technique or due to the patient having a condition that inhibits the clotting process hemophilia.

Question 4

UNCOOPERATIVE PATIENT

Answer 4

Sometimes be difficult to draw blood from infants and children or patients that are mentally not stable.

Question 5

PHLEBITIS

Answer 5

Inflammation of vein may occur due to injury to that vein due to venipuncture or due to blood clot formation.

Question 6

HEMATOMA

Answer 6

Due to injury caused by the needle insertion leading to accumulation of blood external to the blood vessels and within the tissue internal bleeding.

Question 7

HEMOLYSIS

Answer 7

Breakdown of red blood cells causes the release of hemoglobin

incorrect needle gauge
shaking blood collection tubes vigorously 
prolong application of a tourniquet 
improper site selection 
improper storage of specimen collected 
inappropriate transport procedures

Question 8

HEMOCONCENTRATION

Answer 8

INCREASE in concentration of red blood cells and other formed elements

Question 9

VASOVAGAL REACTION

Answer 9

A patient may experience this as a result of a shock or pain, it can lead to fainting