Phlebotomy and Specimen Considerations

Question 1

COLORS OF BLOOD ACCORDING TO PREDOMINANT KIND OF HEMOGLOBIN

1. Bright red -
2. Dark red -
3. Cherry Red -
4. Chocolate Brown -
5. Mauve/Lavender -

Answer 1

1. oxygenated hemoglobin
2. deoxygenated hemoglobin
3. carboxyhemoglobin
4. sulfhemoglobin
5. methemoglobin

Question 2

Venipuncture - Venous Blood Collection

Needle insertion:
Tourniquet:

Answer 2

15-30 degree angle
3-4 inches above; not more than 1 minute

Question 3

1. Common length of commercially available tourniquets?
2. Length of the tubes of butterfly needles
3. Disadvantage of using the butterfly needles:
4. QUESTION 41: The needle gauge used in pediatric venipuncture is:
5. QUESTION 42: What is LENGTH OF the most common used needle in inches for routine venipuncture?

Answer 3

1. 12 inches
2. 6-9 inches
3. hemolysis
4. 22
5. 1-1.5

Question 4

Winged Infusion Set (Butterfly)

1. for syringe
2. for ETS
3. gauge
4. degree angle
5. Use butterfly to:

Answer 4

1. Luer fitting
2. Luer adapter
3. 23 gauge
4. 10-15 degree angle
5. small fragile veins, pediatric,
   geriatric patients

Question 5

ARTERIAL

1. Common sites:
2. How many inches above the site of venipuncture should the tourniquet be placed?
3. Angle:
4. Before collecting blood you should do the (____) to check the blood flow
5. Major Complications:

Answer 5

1. Radial, brachial, femoral
2. TRICK QETSON NO TOURNIQUET NEEDED
3. 30, 45, 90
4. Allen’s test
5. Thrombosis, hemorrhage and infection

Question 6

CAPILLARY

1. site < 1 year old:
2. site Older:
3. Method of choice:
4. Depth:

Answer 6

1. Lateral plantar heel
2. Palmar surfaces of 3rd and 4th fingers, Plantar surface bit toe, Earlobe
3. NewBorn Screening (Galactosemia, G6PD, MSUD, Phenylketonuria, Congenital Adrenal Hyperplasia, Congenital Hypothyroidism, Procedure: Special filter paper is used for collection
4. <2mm for children, <3mm for adult