Bio 2100 exam 3 with correct answers
Transmission - ** VERIFIED ANSWERS **✔✔movement of pathogens from one environment to
another
Direct transmission - ** VERIFIED ANSWERS **✔✔Direct and droplet contact
Direct contact - ** VERIFIED ANSWERS **✔✔horizontally- exchange of fluids
Vertical- mother to baby
Droplet contact - ** VERIFIED ANSWERS **✔✔carried <3 feet by sneeze, cough, or talk, pathogen
can't survive if dried out
Indirect transmissions - ** VERIFIED ANSWERS **✔✔transfer of pathogen from reservoir to a new
host by indirect means
Airborne
Vehicle
Vector
Reservoir - ** VERIFIED ANSWERS **✔✔living or non living habitat for a pathogen where it lives
and multiplies
Airborne transmission - ** VERIFIED ANSWERS **✔✔very hardy pathogens that resist drying out,
spread >3 feet (chicken pox)
Vehicle transmission - ** VERIFIED ANSWERS **✔✔a vehicle or fomite indirectly transmits the
pathogen
Vehicle - ** VERIFIED ANSWERS **✔✔food, water, biological products (feces)
, Fomite - ** VERIFIED ANSWERS **✔✔an inanimate object (doorknob, bedding, utensil, desk)
Vector transmission - ** VERIFIED ANSWERS **✔✔a vector indirectly transmits the pathogen
vector - ** VERIFIED ANSWERS **✔✔a living organism (fleas, mosquitos, ticks)
How to slow the spread of pathogens - ** VERIFIED ANSWERS **✔✔hand washing, safe sex, bug
repellent, smart handling of food
Ebola/Marburg - ** VERIFIED ANSWERS **✔✔similar diseases caused by similar RNA filoviruses,
both cause hemorrhagic fever
fever, chills, headache, rash, nausea, bleeding and organ failure
No treatments or vaccine, several strains named for the first cases location
Epidemiology - ** VERIFIED ANSWERS **✔✔the study of occurrence, distribution, and control of
disease, considered time, human characteristics, occurrence
Incubation period - ** VERIFIED ANSWERS **✔✔time between exposure and symptoms
Period of communicability - ** VERIFIED ANSWERS **✔✔time between a person is considered
contagious
Endemic - ** VERIFIED ANSWERS **✔✔a disease that is always present, usually at low level
incidence
Epidemic - ** VERIFIED ANSWERS **✔✔a sudden increase in the illness and death rate above
usual numbers
Common source - ** VERIFIED ANSWERS **✔✔arise from contact with a single contaminated
source
Transmission - ** VERIFIED ANSWERS **✔✔movement of pathogens from one environment to
another
Direct transmission - ** VERIFIED ANSWERS **✔✔Direct and droplet contact
Direct contact - ** VERIFIED ANSWERS **✔✔horizontally- exchange of fluids
Vertical- mother to baby
Droplet contact - ** VERIFIED ANSWERS **✔✔carried <3 feet by sneeze, cough, or talk, pathogen
can't survive if dried out
Indirect transmissions - ** VERIFIED ANSWERS **✔✔transfer of pathogen from reservoir to a new
host by indirect means
Airborne
Vehicle
Vector
Reservoir - ** VERIFIED ANSWERS **✔✔living or non living habitat for a pathogen where it lives
and multiplies
Airborne transmission - ** VERIFIED ANSWERS **✔✔very hardy pathogens that resist drying out,
spread >3 feet (chicken pox)
Vehicle transmission - ** VERIFIED ANSWERS **✔✔a vehicle or fomite indirectly transmits the
pathogen
Vehicle - ** VERIFIED ANSWERS **✔✔food, water, biological products (feces)
, Fomite - ** VERIFIED ANSWERS **✔✔an inanimate object (doorknob, bedding, utensil, desk)
Vector transmission - ** VERIFIED ANSWERS **✔✔a vector indirectly transmits the pathogen
vector - ** VERIFIED ANSWERS **✔✔a living organism (fleas, mosquitos, ticks)
How to slow the spread of pathogens - ** VERIFIED ANSWERS **✔✔hand washing, safe sex, bug
repellent, smart handling of food
Ebola/Marburg - ** VERIFIED ANSWERS **✔✔similar diseases caused by similar RNA filoviruses,
both cause hemorrhagic fever
fever, chills, headache, rash, nausea, bleeding and organ failure
No treatments or vaccine, several strains named for the first cases location
Epidemiology - ** VERIFIED ANSWERS **✔✔the study of occurrence, distribution, and control of
disease, considered time, human characteristics, occurrence
Incubation period - ** VERIFIED ANSWERS **✔✔time between exposure and symptoms
Period of communicability - ** VERIFIED ANSWERS **✔✔time between a person is considered
contagious
Endemic - ** VERIFIED ANSWERS **✔✔a disease that is always present, usually at low level
incidence
Epidemic - ** VERIFIED ANSWERS **✔✔a sudden increase in the illness and death rate above
usual numbers
Common source - ** VERIFIED ANSWERS **✔✔arise from contact with a single contaminated
source
