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Anatomy and Physiology > Blood Composition > Flashcards

Blood Composition Flashcards

1
Q

Blood functions

A

transports dissolved gases, nutrients, hormones and metabolic Waste
regulates pH, ion composition of interstitial fluids
restricts fluid loss at injury sites
Defends against toxins and pathogens stabilises bedy temp

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2
Q

Blood components

A

Plasma 55%, Buffy coat, Formed elements 45%

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3
Q

Formed elements

A

99% erythrocytes

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4
Q

Blood plasma

A

91% water, 7% protein, 2% other solutes

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5
Q

Proteins in blood plasma

A

Albumins 57%
Globulins 38%
Fibrinogen 4%
Prothrombin 1%

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6
Q

Where are blood proteins produced?

A

In the liver

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7
Q

Albumins

A

Maintain osmotic pressure of blood

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8
Q

Globulins

A

Essential for fighting infections

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9
Q

Fibrinogen

A

Converted to Fibrin during coagulation

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10
Q

Prothrombin

A

Converted to thrombin during coagulation

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11
Q

Other solutes in blood plasma

A

lons
Nutrients
Waste products
Gases
Regulatory substances

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12
Q

Ions

A

Sodium, potassium, calcium

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13
Q

Nutrients

A

Glucose

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14
Q

Waste products

A

Urea

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15
Q

Gases

A

Oxygen, Co2, nitrogen

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16
Q

Regulatory substances

A

Hormones

17
Q

Characteristics of blood

A

38 degrees Celsius, high viscosity, pH of 7.35-7.45 (slightly alkaline), blood volume ~8% BW in avg sizes adult (4-5 L female, 5-6L male)

Anatomy and Physiology (14 decks)

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