Blood Collection

Question 1

Blood is obtained from

Answer 1

Capillaries(capillary blood)
Veins (venous blood)
Arteries (arterial blood)

Question 2

How Blood is collected

Answer 2

Sterile disposable needles and lancet by wearing sterile disposable gloves

Question 3

Capillary blood is useful in babies.why?from where it is taken?

Answer 3

Only small quantity is obtained
From skin puncture of fingertip in adult and heel pad in children (rarely earlobes)

Question 4

Advantage and disadvantages of taking capillary blood

Answer 4

Less traumatic,no syringe and needle is necessary
Many times it gets mixed with tissue fluid, so exult may less accurate

Question 5

Vein used in venous blood.reason?

Answer 5

Medical cubital Vein.it is large and does not slip

Question 6

For venous blood ,blood is collected from

Answer 6

Dorsum of the hand and saphenous Vein
For newborn,umbilical Vein and scalp Vein
In children,femoral vein

Question 7

Arterial blood collected from

Answer 7

Radial and femoral arteries

Question 8

How to do blood gas analysis

Answer 8

Take blood in 2ml heparinized syringe
Cover needle tip with rubber cap after removing the bubbles present in the syringe
Rotate to mix blood and anticoagulant