Blood Tubes

Question 1

Hat is found in whole blood?

Answer 1

Rbcs, wbcs, platelets, clotting factors

Question 2

Liquid portion of blood?

Answer 2

Plasma

Question 3

Liquid portion of whole blood after clotting and being spun down?

Answer 3

Serum

Question 4

What is the average blood to serum ratio?

Answer 4

3ml blood to 1ml serum

Question 5

Purple top anticoagulant?

Answer 5

EDTA

Question 6

What are EDTA tubes commonly used for?

Answer 6

CBCs, platelets counts, blood smears

Question 7

What is the anticoagulant found in green top tubes?

Answer 7

Lithium heparin

Question 8

What are green top tubes often used for?

Answer 8

Chemistries, electrolytes, stats, emergency situation

Question 9

How long does blood take to clot before centrifuging in a red top tube?

Answer 9

15-30 min

Question 10

What do red top tubes yield?

Answer 10

Serum

Question 11

What color is a serum separating tube?

Answer 11

Commonly yellow top

Question 12

What is the anticoagulant found in blue top tubes?

Answer 12

Sodium citrate (calcium in activator)

Question 13

What are blue top tubes commonly used for?

Answer 13

Clotting factors- Von Willebrands disease

Question 14

What are the two types of gray top tubes?

Answer 14

Serum sample and plasma sample

Question 15

What is diatomaceous earth gray top tube used for?

Answer 15

Clotting ability

Question 16

What are sodium fluoride plasma sample gray top tubes used for?

Answer 16

Glucose assays tests

Question 17

Rare tube used for blood cultures containing ACD.

Answer 17

Yellow top tube (rare yellow)

Question 18

Correct order for collecting blood samples?

Answer 18

Blue, red, orange, green, purple, gray, yellow

Question 19

Sample that has one hour to be separated from red blood cells.

Answer 19

Serum

Question 20

Sample that must be removed from red blood cells immediately.

Answer 20

Plasma

Question 21

Serum or plasma can be preserved how?

Answer 21

Refrigerate 4-7 days, freeze up to six months

Question 22

What is an anticoagulant?

Answer 22

An additive that prevents clotting

Question 23

Where can we obtain a draw on small animals?

Answer 23

Tail vein, toenail clip, ear vein

Question 24

Needles should not be smaller than what size?

Answer 24

22 g

Question 25

Two ways to occlude the draw site?

Answer 25

Tourniquet, drawer or restrainer hand

Question 26

How long does it take for blood to clot after drawing?

Answer 26

2-5 minutes

Question 27

What is the most common anticoagulant?

Answer 27

EDTA

Question 28

What does heparin anticoagulant inhibit?

Answer 28

Bloods clotting protein, thrombin

Question 29

Red stopper tubes or….

Answer 29

Clot tubes

Question 30

What damage can improper handling do to blood?

Answer 30

Damage cell membranes, red blood cell hemolysis, white blood cell distortion.