Skills lab stuff

Question 1

size of butterfly (winged) needle set for blood draws

Answer 1

shorter and smaller diameter than straight multisample needle
23-25 gauge

Question 2

size of a straight multisample needle for blood draws

Answer 2

1-1.5in. (2.5-3.8cm)
20-22 gauge

Question 2

needle of choice for veins that are small, difficult, and close to the surface such as those on the hand

Answer 2

butterfly needle

Question 3

If a test requires a
whole blood or plasma sample, such as a
complete blood cell (CBC) count, blood bank
test, or stat chemistries, then the tube needs
to contain

Answer 3

an anticoagulant additive

Question 4

When obtaining a serum sam-
ple, such as serum electrolytes or blood urea
nitrogen (BUN)/creatinine, the blood needs
to clot within the tube before centrifugation
and serum collection. In this case, the tube
has

Answer 4

no additive or contains a clot activator

Question 5

color of blood culture vials

Answer 5

may have different color indicators, one is aerobic and one is anaerobic

Question 6

additive in blood culture vials

Answer 6

culture broth medium to encourage microbe growth

Question 7

what are blood culture vials used for?

Answer 7

blood cultures

Question 8

considerations of blood culture vials

Answer 8

• Usually collected in two sets
  of two from different sites
• Use aseptic technique for skin
  prep
• Cleanse top of bottles after
  protective cap is removed

Question 9

what are light yellow blood draw vials used for?

Answer 9

blood cultures

Question 10

what are light blue blood draw vials used for?

Answer 10

coagulation studies (prothrombin time, INR, partial thromboblastin time

Question 11

what are red blood draw vials used for?

Answer 11

• serum chemistry
• blood type and screen

Question 12

what are gold blood draw vials used for?

Answer 12

• serum chemistry (basic metabolic panel, BUN
• amylase
• creatine kinase

Question 13

what are green lab vials used for?

Answer 13

• stat electrolytes
• plasma tests
• creatinine
• troponin

Question 14

what additives are in red lab vials?

Answer 14

none, blood will clot naturally

Question 15

what additives are in green lab vials?

Answer 15

heparin or another anticoagulant

Question 16

what are lavender/purple lab vials used for?

Answer 16

• hematology (CBC)
• erythrocyte sedimentation rate
• ammonia

Question 17

what additives are in lavender/purple lab vials?

Answer 17

*EDTA
* anticoagulant

Question 18

what are gray lab vials used for?

Answer 18

• glucose
• lactic acid
• blood alcohol

Question 19

what additives are in gray lab vials?

Answer 19

• sodium flouride
• antiglycolytic
• potassium osalate
• anticoagulant

Question 20

considerations for light yellow lab vials:

Answer 20

eight inversions to mix

Question 21

considerations for light blue lab vials:

Answer 21

must be filled 90% (9:1 blood to anticoagulant ratio
* three to four inversions to mix

Question 22

considerations for red lab vials:

Answer 22

• Often used as as waste tube
• Blood must clot for a minimum
  of 30 minutes
• Five inversions to mix

Question 23

considerations for gold lab vials:

Answer 23

• blood must clot for a minimum of 30 minutes
• five inversions to mix

Question 24

considerations for green lab vials:

Answer 24

* deliver immediately for processing * eight inversions to mix * mix gently to prevent hemolysis

Question 25

considerations for lavender/purple lab vials:

Answer 25

* place ammonia sample in ice slury immediately * eight inversions to mix

Question 26

considerations for gray lab vials:

Answer 26

eight inversions to mix

Question 27

how much of the site do you cleanse in a blood draw?

Answer 27

2.5-3in. (6.4-7.6cm around site

Question 28

what angle do you use to draw blood?

Answer 28

30 degree angle for AC 10 degree angle for hand veins if the vein is deeper use a deeper angle, if its more shallow, use a more shallow angle

Question 29

where do you apply touniquet?

Answer 29

3-4inch above puncture site (7.6-10.2cm)