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BIO 250 Quiz 3 – Questions & Accurate Solutions
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Practice questions for this set
Learn 1 /7 Study using Learn
__ decreases as magnification increases so different parts of cell may appear in
and out of focus (figure 3.15)
Choose an answer
hand washing/hand sanitizers
1 portals of exit/entry 2 cooking of food
sexual activity
3 urogenital 4 depth of field
Don't know?
Terms in this set (71)
portals of exit/entry from one host to the next
fecal oral portal is the mucosa of the GI tract; both ends
, skin __ portal is the skin epithelium;
parenteral ___ portal is through breaks in the skin
respiratory portal is the mucosa of the respiratory tract
urogenital portal is the mucosa of the genital and urinary tracts
clinical people work with pathogens in ____ and ____
research labs
infection biosafety levels are based on risk of ____ and ___ follow
disease expousre
BSL 1 low risk, basic precaution (biosafety level)
BSL 2 human pathogens causing mild disease, barrier
precautions (biosafety level)
BSL 3 human pathogens causing serious illness; separate
rooms, work done in BSC (biosafety level)
3 great susceptibility among very young people under
60 ___ and very old people over ___
host genetic makeup receptors to which bacteria and viruses bind
hand washing/hand sanitizers examples of host hygiene and behavior
cooking of food
sexual activity
nutrition what 2 things enhance the immune system
exercise
preexisting conditions chronic infection, autoimmune disease, cancer, innate
or acquired immunosuppression
BIO 250 Quiz 3 – Questions & Accurate Solutions
Save
Practice questions for this set
Learn 1 /7 Study using Learn
__ decreases as magnification increases so different parts of cell may appear in
and out of focus (figure 3.15)
Choose an answer
hand washing/hand sanitizers
1 portals of exit/entry 2 cooking of food
sexual activity
3 urogenital 4 depth of field
Don't know?
Terms in this set (71)
portals of exit/entry from one host to the next
fecal oral portal is the mucosa of the GI tract; both ends
, skin __ portal is the skin epithelium;
parenteral ___ portal is through breaks in the skin
respiratory portal is the mucosa of the respiratory tract
urogenital portal is the mucosa of the genital and urinary tracts
clinical people work with pathogens in ____ and ____
research labs
infection biosafety levels are based on risk of ____ and ___ follow
disease expousre
BSL 1 low risk, basic precaution (biosafety level)
BSL 2 human pathogens causing mild disease, barrier
precautions (biosafety level)
BSL 3 human pathogens causing serious illness; separate
rooms, work done in BSC (biosafety level)
3 great susceptibility among very young people under
60 ___ and very old people over ___
host genetic makeup receptors to which bacteria and viruses bind
hand washing/hand sanitizers examples of host hygiene and behavior
cooking of food
sexual activity
nutrition what 2 things enhance the immune system
exercise
preexisting conditions chronic infection, autoimmune disease, cancer, innate
or acquired immunosuppression
