Blood Flashcards by Jonny Ryan

Q

5 things blood transports

A

O2
CO2
Nutrients
Wastes
Hormones

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Q

3 things blood helps regulate

A

pH
Body temperature
Water content of cells

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Q

Blood temperature

A

38 celcius

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Q

Blood pH

A

7.35 - 7.45

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Q

Volume of blood in adults

A

4-6 litres (8% total body weight)

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Q

Percentages of plasma and formed elements

A

55% plasma 45% formed elements

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Q

What is the hematocrit?

A

% total blood volume occupied by red blood cells

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Q

Percentages of water and solutes in plasma

A

91.5% plasma 8.5% solutes

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Q

7 principle solutes in plasma

A

Proteins
Nutrients
Vitamins
Hormones
Respiratory gases
Electrolytes
Waste products

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Q

Formed elements include…

A

RBCs, WBCs, platelets

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Q

Two types of white blood cells

A

Granulocytes and agranulocytes

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Q

Function of WBCs

A

Combat inflammation and infection

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Q

Lifespan of WBCs

A

Healthy - months to years

With infection - hours to days

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Q

Concentration of WBCs in blood

A

5000 - 10 000 / uL blood

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Q

Platelets are…

A

cell fragments

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Q

Function of platelets

A

Help stop blood loss from damaged blood vessels by forming a platelet plug

Q

Concentration of platelets in blood

A

150 000 - 400 000 / uL blood