Modes of Disease Transmission Flashcards
Which of the following is an example of direct contact transmission:
A. Coughing
B. Shaking hands
C. Talking
D. Sharing a drinking glass
E. Drinking contaminated water
B
Malaria has a ____ mode of transmission, while Salmonella food poisoning is ___ transmission.
Vector, vehicle
What is the most common mode of transmission?
contact transmission
What are some examples of direct contact transmission?
Bit, scratched, sexual intercourse, hugging, kissing, etc.
mother -> fetus or newborn at birth
What are some examples of indirect contact transmission?
Syringe, drinking glass, doorknobs
What are fomites?
any non living substance/object
How is indirect contact transmission done?
through fomites (inanimate objects) -> sharing a drink with an infected person
How is direct contact transmission done?
Direct contact with infected person/animal by some act
Is droplet transmission direct or indirect?
Direct
How is droplet transmission done? What are some examples?
Talking, sneezing, coughing within short distances - droplets come out
How is vehicle transmission done?
Transmission through a medium
(Nonliving -> living)
What are some examples of vehicle transmission?
Water (contaminated)
food (food poisoning)
air (things linger in air (droplets, soil, etc.))
What is the difference between air (vehicle) transmission and droplet transmission?
droplets: the big droplets from sneezing for SHORT distances
air: smaller droplets that linger in the air for LONG distances
What is vector transmission?
Transmission done by an insect/arthropod
What are the two kinds of vector transmission?
Biological (more common)
Mechanical
