Capillary Puncture

Question 1

Blood collection from a vein

Answer 1

Venipuncture

Question 2

Carrie’s blood back to heart

Answer 2

Veins

Question 3

Carries blood away from heart

Answer 3

Arteries

Question 4

One thin layer, arterial and venous blood

Answer 4

Capillaries

Question 5

Generated by physician/provider

Answer 5

Requisition

Question 6

Ways to verify patient before performing capillary Puncture/venipuncture

Answer 6

Verify D.O.B

Patient labels

Question 7

Most critical error a phlebotomist could make before collecting a blood specimen

Answer 7

Misidentification of a patient

Question 8

Positions for patients when performing blood collection methods

Answer 8

Semi reclining position

Phlebotomy chair

Question 9

All fluid except blood found in space between tissues (tissue fluid)

Answer 9

Interstiatal fluid

Question 10

In what circumstances should capillary puncture not be used?

Answer 10

Needing large amount of blood
Poor circulation in hands/feet
Edema

Question 11

Lancet

Answer 11

Sterile
Disposable
Retractable

Question 12

Depth of heel stick for infant

Answer 12

No more than 2mm

Question 13

Depth of finger stick for adult

Answer 13

2-3mm

Question 14

Types of capillary puncture collection containers

Answer 14

Microtainer

Capillary tube

Question 15

Point of care testing

Answer 15

Direct contact patient setting

Question 16

Collecting small amounts of blood

Answer 16

Microcollection

Question 17

Blood moves freely into the tube

Answer 17

Capillary action

Question 18

Inflammation of bone caused by bacterial infection

Answer 18

Osteomyelitis

Question 19

Cyanotic

Answer 19

Blue

Oxygen deficiency

Question 20

Methods to increase blood flow to capillary puncture sites

Answer 20

Massage site

Apply warm towel

Question 21

Proper sites for finger and heel sticks

Answer 21

Middle/ring finger

Medial/lateral plantar surface of heel

Question 22

Capillary Puncture procedure

Answer 22

Warm site
Sanitize, make sure alcohol dries
Proper Lancet
Hold perpendicular 
Poke
Wipe away first blood
Fill container

Question 23

What if blood flow stops during collection of a capillary blood specimen

Answer 23

Repeat entire procedure

Question 24

Conditions tested for newborn screening and why

Answer 24

PKU
Hypothyroidism
Look for abnormalities, looking for certain enzymes

Question 25

What could happen if newborn conditions aren't screend

Answer 25

Mental retardation, abnormalities

Question 26

What is the first time frame for blood collection for newborn screening

Answer 26

24-72 hrs after birth

Question 27

What setting is the blood collection generally performed at newborn screening

Answer 27

Hospital nursery

Question 28

Heel stick collection procedure/guidelines fir newborn screening

Answer 28

Medial/lateral planters surface of heel No deeper than 2mm Remove first drop.of blood