hematology Flashcards

1
Q

Where are the main components of plasma produced

A

Liver

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2
Q

What are erythrocytes and what do they do

A

Red blood cells

O2 and CO2 transport, H+ buffering

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3
Q

What are leukocytes and what do they do

A

White blood cells

body defenses

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4
Q

What are platelets and what do they do

A

thrombocytes

Hemostasis, inflamationq

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5
Q

What are the layers of the hicrohematocrit tube from the top down

A

Plasma
Buffy coat
Packed erythrocytes
Clay

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6
Q

What’s an average PCV for mammals

A

35-45% depending on animal

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7
Q

What is an average blood volume

A

7-8% varies by species, body weight, activity level

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8
Q

What is a buffy coat

A

White blood cell layer in hematocrit tube between plasma and packed erythrocytes

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9
Q

What 3 problems/things can plasma appearance/color identify

A

Hemolysis
Lipemia (looks like strawberry milkshake)
Icterus index

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10
Q

What is a mistake someone can make that causes hemolysis of cells

A

Not taking off the needle when transferring the blood into test tubes

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11
Q

What are 5 things you can get from a microhematocrit tube

A
PCV
Buffy coat
Plasma appearance/color
Plasma protein conc.
Fibrinogen
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12
Q

What’s the difference between blood and serum

A

Serum is blood that was allowed to coagulate

Platelets separate out in serum

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13
Q

What are some properties of plasma proteins

A

Transport of nutrients, hromones, waste, drugs
acid-base
Immunity
Hemostasis

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14
Q

Where are plasma proteins synthesized

A

liver

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15
Q

What is a electrophroadogram (?)

A

graph with readout of protein levels

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16
Q

What does anti-thrombin do

A

Inhibits thrombin and certain other coagulation factors

Requires GAG’s for optimal activity

17
Q

What does a1-protease inhibitor do

A

inhibits proteases released during inflammation

Inhibits certain coagulation factors

18
Q

What does transferrin do

A

2 binding sites to Fe+3

Iron transport through the body

19
Q

What is ferritin

A

storage form of iron
found inside cells
plasma ferritin correlates with total body iron stores

20
Q

What does haptoglobin do

A

Binds plasma hemoglobin irreversibly
Prevents against bacterial infections
antioxidant activity

21
Q

What are chylomicrons

A

Synthesized from intestine, transport fatty things

22
Q

What are midichlorians

A

Microorganisms that allow one to feel the force

23
Q

What are LDLs

A

major mechanism by which cholesterol is transported to peripheral tissues

24
Q

What do HDLs do

A

transport cholesterol from tissues back to the liver

25
Q

Wher are specialized cells mainly produced

A

bone marrow