This material provides a mechanism for the maintenance of normal human skin that prevents drying and also is involved in the production of an acid pH to prevent the colonization of poten-tially pathogenic organisms.
a. sweat
b. bacterocins
c. antibodies
d. sebum
Any microorganism capable of causing infection is considered:
a. microbiota.
b. opportunistic.
c. pathogenic.
d. commensal.
The major cells that function in the nonspecific immune response for the defense against microorganisms are:
a. dendritic cells.
b. macrophages.
c. lymphcytes.
d. polymorphonuclear cells.
An individual whose resident normal microbiota overgrows the other indigenous organisms resulting in disease may be a result of:
a. the patient has received antibiotic treat-ment killing off some of the protective resident microbiota.
b. become immunocompromised or unable to fight off infection in normal conditions.
c. maybe suffering from a debilitating dis-ease resulting in a decreased balance be-tween normal microbiota and pathogenic organisms.
d. all of the scenarios are potentially asso-ciated with the development of disease.
IgE is the:
a. first antibody produced when an invading microorganism is initially encountered.
b. antibody that is associated with various parasitic infections.
c. antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes.
d. second antibody produced when an in-vading microorganism is initially encoun-tered and the most abundant.
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