Blood Tubes Flashcards

1
Q

Hat is found in whole blood?

A

Rbcs, wbcs, platelets, clotting factors

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2
Q

Liquid portion of blood?

A

Plasma

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3
Q

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

A

Serum

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4
Q

What is the average blood to serum ratio?

A

3ml blood to 1ml serum

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5
Q

Purple top anticoagulant?

A

EDTA

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6
Q

What are EDTA tubes commonly used for?

A

CBCs, platelets counts, blood smears

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7
Q

What is the anticoagulant found in green top tubes?

A

Lithium heparin

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8
Q

What are green top tubes often used for?

A

Chemistries, electrolytes, stats, emergency situation

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9
Q

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

A

15-30 min

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10
Q

What do red top tubes yield?

A

Serum

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11
Q

What color is a serum separating tube?

A

Commonly yellow top

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12
Q

What is the anticoagulant found in blue top tubes?

A

Sodium citrate (calcium in activator)

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13
Q

What are blue top tubes commonly used for?

A

Clotting factors- Von Willebrands disease

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14
Q

What are the two types of gray top tubes?

A

Serum sample and plasma sample

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15
Q

What is diatomaceous earth gray top tube used for?

A

Clotting ability

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16
Q

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

A

Glucose assays tests

17
Q

Rare tube used for blood cultures containing ACD.

A

Yellow top tube (rare yellow)

18
Q

Correct order for collecting blood samples?

A

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

19
Q

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

A

Serum

20
Q

Sample that must be removed from red blood cells immediately.

A

Plasma

21
Q

Serum or plasma can be preserved how?

A

Refrigerate 4-7 days, freeze up to six months

22
Q

What is an anticoagulant?

A

An additive that prevents clotting

23
Q

Where can we obtain a draw on small animals?

A

Tail vein, toenail clip, ear vein

24
Q

Needles should not be smaller than what size?

A

22 g

25
Q

Two ways to occlude the draw site?

A

Tourniquet, drawer or restrainer hand

26
Q

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

A

2-5 minutes

27
Q

What is the most common anticoagulant?

A

EDTA

28
Q

What does heparin anticoagulant inhibit?

A

Bloods clotting protein, thrombin

29
Q

Red stopper tubes or….

A

Clot tubes

30
Q

What damage can improper handling do to blood?

A

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