Inflammation, the Inflammatory Response, and Fever

Question 1

What is inflammation?

Answer 1

innate, automatic response to cell injury

Question 2

What occurs during inflammation? what are the types?

Answer 2

1. neutralizes harmful agents
2. removes damaged and dead tissue
3. generates new tissue
4. promotes healing

acute/chronic

Question 3

What are the stages during acute inflammation?

Answer 3

1. vascular stage
2. cellular stage

Question 4

what is the suffix added to indicate an inflammatory condition?

Answer 4

-itis

Question 5

What leukocytes account for 2-3% of the circulating WBC?

Answer 5

eosinophils

Question 6

what is an important role of eosinophils?

Answer 6

controlling release of specific chemical mediators during allergic reactions

Question 7

what is acute inflammation?

Answer 7

rapid onset and short in duration triggered by tissue injury or infection

Question 8

what kind of inflammation is characterized by exudation of fluid and plasma proteins?

Answer 8

acute

Question 9

what is chronic inflammation?

Answer 9

longer duration, lats days to years.

Question 10

what kind of inflammation is associated with proliferation of blood vessels, tissue necrosis, and fibrosis(scarring)?

Answer 10

chronic

Question 11

what the two divisions of leukocytes (WBC)?

Answer 11

granulocytes and agranulocytes

Question 12

what leukocytes are the most numerous in circulating blood?

Answer 12

neutrophils

Question 13

explain what neutrophils do:

Answer 13

scavenger cells that are capable of engulfing bacteria and other cellular debris by phagocytosis.

their oxygen-dependent pathway creates toxic reactive oxygen & nitrogen species that aid in destruction of engulfed pathogens.

Question 14

what is the life span of neutrophils?

Answer 14

24-48 hours