Inflammation

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Reversible

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21 Terms

1

Reversible

________: mild or moderate injury (leads to inflammation or degeneration)

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2

Inflammation

________: reaction of vascularized living tissue to local injury, irritants or agents.

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3

Irreversible

________: severe injury (leads to necrosis)

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4

Vascular dilation

________ leading to an increase in blood flow.

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5

Hotness is due to

increased blood flow

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6

redness is due to

vasodilatation and increased blood flow

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7

swelling is due to

exudate

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8

pain is due to

irritation of nerve endings by metabolites

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9

loss of function is due to

pain and tissue damage

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10

Cardinal Signs of Acute Inflammation

Hotness

Redness

Swelling

Pain

Loss of function

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11

General Signs of Acute Inflammation

  1. Fever

  2. Leukocytosis

  3. C-reactive protein positive

  4. Cloudy swelling of parenchymatous organs

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12

Two Major Components of Acute Inflammation

  1. Vascular changes

  2. Cellular events

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13

Benefits of Inflammation

  1. Contain and isolate injury

  2. Destroy invading microorganisms and inactive toxins

  3. Prepare tissue for healing and repair

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14

Causes of Inflammation

Physical agents

Tissue necrosis

Foreign bodies

Chemical agents

Infection (most common cause)

Immunological

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15

most common cause of inflammation

Infection

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16

Types of Inflammatory Response

  • Acute inflammation

  • Chronic inflammation

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17

Tissue injury types

Reversible

Irreversible

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18

mild or moderate injury leads to

inflammation or degeneration

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19

severe injury leads to

necrosis

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20

severe injury

_______ leads to necrosis and is irreversible

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21

mild or moderate injury

_____ leads to inflammation or degeneration and is reversible

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