B io 205 fi n al exam study guide
Question s an d an sw er s w ith accur ate
r ation ales(PASSED)
Major portals of entry - answer Conjuctiva
Nose
Mouth
Skin
Placenta
Urethra
Vagina/penis
Respiratory tract,mucous membranes, GI tract, Genitourinary tract, skin and
wounds
Reservoir of infection - answer Carrier of disease that posses no disease
symptoms
Fomites - answer objects contaminated with infectious material that contains the
pathogens
skin - answer Staphylococcus aureus (bacteria)-impetigo
Papillomavirus (virus)-warts
Trycophyton (fungus)-ringworm
,wound - answer Clostridium tetani (bacteria)-tetanus
Rabies virus (virus) -rabies
Respiratory tract - answer Bordetella pertussis (bacteria)-whooping cough
Influenza (virus)-influenza
Blastomyces dermatitidis (fungus)-blastomycosis
gastrointestinal tract - answer Clostridium difficile (bacteria)-diarrheal illness w/
pseudo membranous colitis
Polio(virus)-polio
Giardia lamblia aka G.Duodenalis (protozoan)-giardiasis
Genitourinary tract - answer Treponema pallidum (bacteria) -syphilis
Herpes simples virus type II(virus)-genital herpes
Candida albicans (fungus) vaginitis
Routes of transmission - answer Avenues that pathogens can use . This includes
contact, common vehicle , airborne, and vector routes
direct contact - answer Spread of infective agent directly from contaminated
source . Ex kissing someone with an open sore lip .
indirect contact - answer The spread involves an infected individual and an object
improperly cleaned ex: performing a bronchoscopy on individual for TB and take a
, sputum sample . The bronchoscope is not properly cleaned and used on another
patient .
common vehicle - answer transportation of the infectious agent from an infected
host to a susceptible host via water, food, milk, blood, serum, or plasma.
Airborne - answer Pathogens are spread as a result of the aerosol generated from
a sneeze or cough and inhaled by another person
Vector - answer Organism that carries a disease agent to the host ex: tick, louse,
reduviid bug, mosquito, deer fly
Biological vector - answer When the vector ingest blood from an infected source
flies to a human and bites that individual ex malaria or West Nile virus z
Mechanical vector - answer Spreads infection when the pathogen is located
outside of the vectors body. Ex: flies land of feces and then lands on a potato salad
or a parasite
Giardia lamblia - answer Route:drinking/eating contaminated feces
Specimen for testing : feces
Disease/condition: severe diarrhea
Entomoeba histolytica - answer Route: drinking/eating contaminated food or
water
Specimen for testing : feces
Question s an d an sw er s w ith accur ate
r ation ales(PASSED)
Major portals of entry - answer Conjuctiva
Nose
Mouth
Skin
Placenta
Urethra
Vagina/penis
Respiratory tract,mucous membranes, GI tract, Genitourinary tract, skin and
wounds
Reservoir of infection - answer Carrier of disease that posses no disease
symptoms
Fomites - answer objects contaminated with infectious material that contains the
pathogens
skin - answer Staphylococcus aureus (bacteria)-impetigo
Papillomavirus (virus)-warts
Trycophyton (fungus)-ringworm
,wound - answer Clostridium tetani (bacteria)-tetanus
Rabies virus (virus) -rabies
Respiratory tract - answer Bordetella pertussis (bacteria)-whooping cough
Influenza (virus)-influenza
Blastomyces dermatitidis (fungus)-blastomycosis
gastrointestinal tract - answer Clostridium difficile (bacteria)-diarrheal illness w/
pseudo membranous colitis
Polio(virus)-polio
Giardia lamblia aka G.Duodenalis (protozoan)-giardiasis
Genitourinary tract - answer Treponema pallidum (bacteria) -syphilis
Herpes simples virus type II(virus)-genital herpes
Candida albicans (fungus) vaginitis
Routes of transmission - answer Avenues that pathogens can use . This includes
contact, common vehicle , airborne, and vector routes
direct contact - answer Spread of infective agent directly from contaminated
source . Ex kissing someone with an open sore lip .
indirect contact - answer The spread involves an infected individual and an object
improperly cleaned ex: performing a bronchoscopy on individual for TB and take a
, sputum sample . The bronchoscope is not properly cleaned and used on another
patient .
common vehicle - answer transportation of the infectious agent from an infected
host to a susceptible host via water, food, milk, blood, serum, or plasma.
Airborne - answer Pathogens are spread as a result of the aerosol generated from
a sneeze or cough and inhaled by another person
Vector - answer Organism that carries a disease agent to the host ex: tick, louse,
reduviid bug, mosquito, deer fly
Biological vector - answer When the vector ingest blood from an infected source
flies to a human and bites that individual ex malaria or West Nile virus z
Mechanical vector - answer Spreads infection when the pathogen is located
outside of the vectors body. Ex: flies land of feces and then lands on a potato salad
or a parasite
Giardia lamblia - answer Route:drinking/eating contaminated feces
Specimen for testing : feces
Disease/condition: severe diarrhea
Entomoeba histolytica - answer Route: drinking/eating contaminated food or
water
Specimen for testing : feces
