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Ch.12 HW Practice Q&A

Terms in this set (14)

Physical
barriers and chemical barriers are nonspecific host defense mechanisms.
Entry
Hair, cilia, and skin are physical barriers that block portals of __ to prevent pathogens from leaving the body.
skin
The unbroken __ is a formidable barrier to the entry of microbes and is classified as a component of the first line of defense
epithelial, keratin
Skin, the protective layer that surrounds the body, is composed of __ cells that have become compacted, cemented together, and impregnated with __.
first
Vomiting and defecation evacuate noxious substances or microorganisms from the digestive tract and are components of the __ line of defense.
urine
The flow of __ from the periodic emptying of the bladder flushes the urethra
- Repair of damaged tissues
- Destroy microbes and block their further invasion
- Mobilization and attraction of immune components to the site of infection or trauma
Which of the following are main functions of the inflammatory response?
chemotaxis
ingestion
phagolysosome formation
destruction
excretion
or
chemotaxis
ingestion
destruction
excretion
List the correct order of events in phagocytosis
Fever

(infection, trauma, and immune response ARE triggers)
Which of the following is NOT a trigger for inflammation?
Tumor

redness (Latin rubor), heat (calor), swelling (tumor), and pain (dolor)
Which is Latin for swelling during inflammation?
calor
With respect to inflammation, __ is Latin for warmth
dolor
With respect to inflammation, __ is Latin for pain
Chemotaxis
Which term refers to the tendency of cells to migrate in response to a specific chemical stimulus given off at a site of injury or infection?
pus
A whitish mass of cells, liquified cellular debris, and bacteria is called
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