Ch. 6 Innate Immunity - First Line

Front 1

What is the first line of defense against infection and tissue injury?

Back 1

Biochemical, mechanical, and physical barriers

Front 2

What's the timing of the first line of defense (physical and mechanical barriers)

Back 2

Constant

Front 3

What cells are involved in the first line of defense (physical and mechanical barriers)

Back 3

Epithelial cells

Front 4

Defensins, cathelicidins, collectins, lactoferrin, and bacterial toxins are what of the first line of defense?

Back 4

Peptides

Front 5

What enzyme in perspiration, tears, and saliva attacks the cell walls of gram-positive bacteria?

Back 5

Lysozyme

Front 6

What glandular secretions result in an acidic skin surface (pH 3 to 5), making it an inhospitable environment for most bacteria?

Back 6

Lysozymes

Front 7

What is normal bacterial flora?

Back 7

Spectrum of bacteria that normally does not cause disease

Front 8

Responsible for digesting fatty acids and large polysaccharides.

Back 8

Normal flora

Front 9

In the intestines, responsible for producing vitamin K, and assisting in the absorption of various ions.

Back 9

Normal bacterial flora

Front 10

Normal flora assist in the absorption of various ions, including what?

Back 10

Calcium, iron, magnesium

Front 11

The normal intestinal flora can be altered by prolonged antibiotic treatment, leading to the overgrowth of the yeast __, and bacterium __.

Back 11

Candida albicans
Clostridium difficile

Front 12

Major constituent of the normal vaginal flora in healthy women

Back 12

Lactobacillus

Front 13

Epithelial cells secrete small-molecular-weight antimicrobial what?

Back 13

Peptides

Front 14

These are generally positively charged polypeptides that can be divided into what two classes

Back 14

Antimicrobial peptides
Cathelicidins
Defensin