Blood Flashcards

1
Q

Blood Function

A

Distribution, Regulation, Protection

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2
Q

Blood Composition

A

Plasma 55%- non-living fluid matrix
Erythrocytes 45%- living blood cells
Leukocytes- white blood cells
Platelets- cell fragments

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3
Q

Plasma

A

> 90% water
100 dissolved solutes

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4
Q

Albumin

A

Helps with osmotic balance and buffers PH

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5
Q

Globulin

A

Helps in immune response and lipid transport

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6
Q

Fibrinogen

A

Helps with Blood Clotting

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7
Q

Leukocytes

A

Complete cells
Make up <1% of total blood volume

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8
Q

Leukocytosis

A

WBC count > 11,000/ mu liter

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9
Q

Diapedesis

A

Passing of blood through intact capillaries

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10
Q

Order of Abundance

A

Never Let Monkeys Eat Bananas
Neutrophils, Lymphocytes, Monocytes, Eosinophils, Basophils

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11
Q

Neutrophils

A

Aka Polymorphonuclear leukocytes
Very phagocytic

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12
Q

Eosinophils

A

Lysosome-like granules
Deals with allergies, asthma, and general immune response

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13
Q

Basophils

A

Changes size of blood vessels
Granules contains histamine

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14
Q

Histamine

A

Inflammatory chemical -> vasodilator

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15
Q

Lymphocytes

A

Mostly in Lymphoid tissue
Help in immune response

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16
Q

T-Lymphocytes

A

Fights against virus-infected and cancer cells

17
Q

B-Lymphocytes

A

Anti-body producing cells

18
Q

Monocytes

A

Macrophages
Active phagocytic cells

19
Q

Platelets

A

Cytoplasmic fragments of megakaryocytes
Act in clotting process
Formation regulated by thrombopoietin

20
Q

Erythrocytes

A

Simple biconcave discs
Filled with hemoglobin for gas transport
Contains plasma membrane protein spectrin

21
Q

Gas Transport in RBC

A

Hemoglobin binds reversibly with oxygen (it can pick up and drop it off)

22
Q

Hemoglobin Structure

A

Consists of globin (two alpha and two beta polypeptide chains and four gene groups)

23
Q

Oxyhemoglobin

A

Oxygenated blood
Ruby red color

24
Q

Deoxyhemoglobin

A

Unoxygenated blood
Dark red color

25
Q

Carbaminohemoglobin

A

Carbon bonds to amino acid chain
20% of CO2 in blood binds to hemoglobin

26
Q

Erythrocyte structure and function

A

Biconcave shape
>97% hemoglobin
No mitochondria, ATP produced anaerobicly

27
Q

Hematopoiesis

A

Blood Cell Formation
In adults, axial skeleton, girdles and proximal epiphyses of humerus and femur

28
Q

Hemocytoblasts

A

Hematopoietic stem cells
Gives rise to all formed elementa