EXAM 3 BIOS 242- CHAMBERLAIN
COMPLETE QUESTIONS WITH 100%
VERIFIED ANSWERS
the first line of defense is a surface protection composed of
____ and ____ barriers that keep microbes from penetrating
sterile body compartments
anatomical, physiological
the second line of defense is a ___ and ___ system that comes
immediately into play if infectious agents make it past the
surface defenses
cellular, chemical
the third line of defense include ____ that must be developed
uniquely for each microbe through the action of specialized
white blood cells
specific host defenses
the first line of defense includes
physical and chemical barriers
,the second line of defense includes
phagocytosis, inflammation, fever, antimicrobial proteins
the third line of defense includes
B and T cells
what are the physical barriers on the skin?
hair follicles, sweat glands, mucous membranes
what are the chemical barriers of the skin?
lysozyme, saliva, sweat, skin's pH, hydrochloric acid, bile,
resident microbiota
what are the first lines of defense in the mouth?
saliva (contains lysozyme)
where do B cells mature?
develop and mature in red bone marrow
where do t cells mature?
develop in bone marrow and mature in the thymus
what is an antigen?
foreign molecule that causes a specific immune response
what is another name for antigens?
immunogens
, where do antigens come from?
proteins and polysaccharides from cells and viruses
what are the functions of plasmid cells?
release antibodies into the tissue/blood, attach to antigens for
destruction
true or false: plasmid cells can produce 2000 antibodies per
second
true
what is the percentage of neutrophils circulating WBC?
55-90%
what is the percentage of eosinophils circulating WBC?
2-4%
what is the percentage of basophils circulating WBC?
less than 0.5%
what is the percentage of lymphocytes circulating WBC?
20-35%
what is the percentage of monocytes circulating WBC?
3-7%
what is the function of neutrophils?
production of toxic chemicals and phagocytosis
COMPLETE QUESTIONS WITH 100%
VERIFIED ANSWERS
the first line of defense is a surface protection composed of
____ and ____ barriers that keep microbes from penetrating
sterile body compartments
anatomical, physiological
the second line of defense is a ___ and ___ system that comes
immediately into play if infectious agents make it past the
surface defenses
cellular, chemical
the third line of defense include ____ that must be developed
uniquely for each microbe through the action of specialized
white blood cells
specific host defenses
the first line of defense includes
physical and chemical barriers
,the second line of defense includes
phagocytosis, inflammation, fever, antimicrobial proteins
the third line of defense includes
B and T cells
what are the physical barriers on the skin?
hair follicles, sweat glands, mucous membranes
what are the chemical barriers of the skin?
lysozyme, saliva, sweat, skin's pH, hydrochloric acid, bile,
resident microbiota
what are the first lines of defense in the mouth?
saliva (contains lysozyme)
where do B cells mature?
develop and mature in red bone marrow
where do t cells mature?
develop in bone marrow and mature in the thymus
what is an antigen?
foreign molecule that causes a specific immune response
what is another name for antigens?
immunogens
, where do antigens come from?
proteins and polysaccharides from cells and viruses
what are the functions of plasmid cells?
release antibodies into the tissue/blood, attach to antigens for
destruction
true or false: plasmid cells can produce 2000 antibodies per
second
true
what is the percentage of neutrophils circulating WBC?
55-90%
what is the percentage of eosinophils circulating WBC?
2-4%
what is the percentage of basophils circulating WBC?
less than 0.5%
what is the percentage of lymphocytes circulating WBC?
20-35%
what is the percentage of monocytes circulating WBC?
3-7%
what is the function of neutrophils?
production of toxic chemicals and phagocytosis
