Unit 4 - Transmission and Control Flashcards
What are the different ways a pathogen can be transmitted?
- Coughing, Sneezing and Breathing
- Physical Contact
- Body Fluids
- Transmission by Vectors
- Food
- Water
Name the different types of pathogens and one disease caused by each of these pathogens…
- Bacteria - Tuberculosis e.t.c.
- Virus - Chicken Pox e.t.c.
- Fungi - Athletes foot e.t.c.
- Protozoa - Malaria e.t.c.
- Multi-Cellular Parasites - Tape worm infections
What is the role of an Epidemeologist?
An Epidemeologist studies the patterns of health and illness at the population level. They study the outbreaks of diseases to find out the factors which effect the diseases transmission.
What is a Bacteria?
A single celled organism without a nucleus.
What is a Virus?
A non-living organism which can only reproduce within a living cell.
What is a Fungi?
A simple organism including mushrooms and yeast that grow as single cells or thread like filaments.
What is a Protozoa?
A single celled organism with a nucleus.
What is a Multi-Cellular Parasite?
A living organism, that can live inside intestinal track or blood stream.
What is a vector?
An living organism which can transmit diseases to other organisms. E.g. Mosquitoes, rabid Dogs and more.
What does Epidemic mean?
Unusually high number of cases for a disease in an area.
What does Sporadic mean?
Occasional occurrences of a disease.
What does Endemic mean?
A normal number of cases for a disease in an area.
What does Pandemic mean?
A Global outbreak of the disease.
Name three ways an individual could help prevent or reduce transmission…
- Proper storage of food
- Care in sexual health
- Good hygiene
Name three ways a community could help prevent or reduce transmission…
- Proper waste disposal systems
- Safe food webs
- Quality water supply
