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Histo Midterm 2 > Blood Cells > Flashcards

Blood Cells Flashcards

1
Q

What structure are perivascular cells that facilitate blood flow and are involved in micro vascular remodelling and repair

A

Pericytes

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2
Q

What type of blood cell are the most prevalent, ~50-70% of circulating WBCs, ~12-15 um diameter

A

Neutrophils

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3
Q

What blood vessels are phagocytic, 1st line of defence against bacteria, respond to tissue necrosis

A

Neutrophil

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4
Q

_________ granules stain neutral

A

Neutrophils

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5
Q

What blood cell live a short life, leave circulation within 6-8 hours, life span of 1-4 days in CT, then die by apoptosis

A

Neutrophils

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6
Q

What blood cell contains myeloperoxidase, lysozyme and defensive (all help to kill pathogens)

A

Neutrophils

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7
Q

What are erythrocytes full of?

A

Hemoglobin

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8
Q

What is hemoglobin and where is it located?

A

A protein specialized for transport of Co2 and O2.
- Erythrocytes (RBC)

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9
Q

What is the lifespan of erythrocytes

A

120 days

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10
Q

What is critical to protection of membrane and RBC survival

A

Membrane proteins

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11
Q

What blood cell have granules that contain major basic proteins (MBP)

A

Eosinophils

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12
Q

_________ blood cells contain eosinophilic peroxidase (EPO) act to kill parasites

A

Eosinophils

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13
Q

What blood cells increased in certain chronic inflammatory conditions (asthma)

A

Eosinophils

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14
Q

What is the hemopoiesis

A

The formation of the new blood cells in the bone marrow

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15
Q

What does hemopoiesis include:

A

Erythropoiesis
Thrombopoiesis
Leukopoiesis

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16
Q

What type of blood vessel is responsible for sites of O2,CO2, nutrients, and waste exchange

A

Capillaries

17
Q

_______ allows waste products to move through their walls consist of endothelial cells and basal lamina.

A

Capillaries

18
Q

What type of blood vessels are the smallest

A

Capillaries

19
Q

Median veins have the diameter of what and where do they carry blood to?

A

1-10 mm
Larger veins

20
Q

Median veins contain what and what are they?

A

Valves: thin, paired folds of tunica intima projecting across the lumen, help keep venous return directed to the heart

21
Q

What carries lymph through vessels that connect back to the vascular system and empty into large veins near the heart

A

Lymphatic vascular system

22
Q

What system act as a major distributor of immune components

A

Lymphatic vascular system

23
Q

What are large multinucleated cells, cytoplasmic processes pinch off and released as platelets to peripheral circulation

A

Megakaryocytes

Histo Midterm 2 (3 decks)

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