Blood Collection Exam 1

Question 1

Phlebotomy

Answer 1

blood collection; cutting into a vein

Question 2

how many layers are there in veins?

Answer 2

3 layers

Question 3

def of veins

Answer 3

have valves and carry blood back to the heart

Question 4

how many layers do arteries have?

Answer 4

3 layers

Question 5

def of arteries

Answer 5

carry blood away from the heart

Question 6

how many layers do capillaries have?

Answer 6

1 layer

Question 7

def of capillaries

Answer 7

carries mix of arterial and venous blood and is where exchange of materials w/ tissues takes place (microscopic blood vessels)

Question 8

3 most common veins in the antecubital space area..

Answer 8

• median cubital vein
• cephalic vein
• basilic vein

Question 9

order of choices for the veins

Answer 9

• median cubital vein
• cephalic vein
• basilic vein

Question 10

where is the median cubital vein?

Answer 10

middle of arm

Question 11

where is the cephalic vein?

Answer 11

runs on the thumb side

may move

Question 12

where is the basilic vein?

Answer 12

little finger side
least well anchored
near brachial artery
risk of puncturing the artery

Question 13

Positions for patients when performing blood collection methods

Answer 13

semi-reclining position preferred
OR
sitting in phlebotomy chair

Question 14

antecubital space

Answer 14

the area in front of the elbow

Question 15

palpate/palpating

Answer 15

gently touching/pressing down on area to feel texture, size & consistency

Question 16

requisiton

Answer 16

generated by physicians orders

Question 17

what information is on a requisition?

Answer 17

• Patient name
• ID number
• DOB
• tests ordered
• physician ordering
• date/time of collection
• time of test

Question 18

proper way to identify a patient before performing phlebotomy

Answer 18

name & date of birth

Question 19

most serious laboratory error a phlebotomist can make…

Answer 19

misidentification of the patient

Question 20

fasting

Answer 20

nothing to eat/drink 12-14 hours before procedure

Question 21

when should you label blood specimens?

Answer 21

right after you perform phlebotomy

Question 22

capillary action

Answer 22

process by which blood flows freely into a capillary tube in microcollection procedures

Question 23

lancet

Answer 23

capillary puncture device

Question 24

osteomyelitis

Answer 24

inflammation of the bone caused by bacterial infection

Question 25

interstitial fluid

Answer 25

tissue fluid; all fluid except blood found in a space between tissues

Question 26

in what situations should capillary puncture be performed?

Answer 26

• only a small amount of blood is needed
• patient has burns
• skin irritation or small/fragile veins
• geriatric
• obese or cancer patients

Question 27

in what situations should capillary puncture NOT be performed?

Answer 27

• if testing requires large amount of blood
• interstitial fluid from edema
• patient has poor circulation from hands/feet

Question 28

microcollection

Answer 28

collecting small amount of blood

Question 29

cyanotic sites

Answer 29

skin is blue, less circulation, cold to touch, oxygen deficiency

Question 30

methods to increase blood flow to capillary puncture sites

Answer 30

• massage the area

- apply warm device for 3-5 mins

Question 31

Identify proper sites for finger and heel sticks…

Answer 31

foot- medial or lateral plantar surface of heel of foot