Chapter 4: Capillary Puncture

Question 1

What is an alternative to Venipuncture?

Answer 1

Capillary puncture.

Question 2

What are the smallest blood vessels in the body and carry blood from the arteries to the venues?

Answer 2

Capillaries.

Question 3

Capillary puncture is a method of obtaining one to several drops of blood for?

Answer 3

Specific tests that require small quantities of blood, such as hemoglobin, hematocrit, PKU and glucose.

Question 4

The composition of capillary specimens is a mixture of?

Answer 4

Arterial, venous and capillary blood as well as cellular and interstitial fluid.

Question 5

Does the Composition of capillary specimens is more closely resembles arterial blood than venous?

Answer 5

Yes.

Question 6

What is the usual site of capillary puncture in adults and children?

Answer 6

The fingertip, specifically the middle and ring finger.

Question 7

What is the usual site of capillary puncture in infants?

Answer 7

The sides of the heel pad are usually used and the procedure is called a heel stick.

Question 8

Is the ear lobe used on patients of any age?

Answer 8

Rarely.

Question 9

What are the supplies used in a capillary blood collection include?

Answer 9

Gloves, alcohol-pads, sterile lancet, capillary tubes, gauze squares, adhesive bandage and sharp container.