infectious diseases
DESCRIPTION
CFUND1 Powerpoint ExerciseTRANSCRIPT
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Raniel Job Bernard S. Quipit
Infectious Diseases
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What are Infectious Diseases?Communicable
Diseases that are transmissible from one person to another
Key Term:Contagious – communicable dses. that is easily transmitted from one person to another
Ex.: TB, Rabies, Influenza
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Elements of Infection: Triangle of Epidemiology
Environment
Susceptible Host
TIme
Agent
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Infectious Agents
Bacteria
Fungi
Human Parasites
Virus
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Bacteria Shape: cocci, bacilli, spirochette
Reproduction: asexual by binary fission
Locomotion: Some have flagella
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Human Parasites Forms
protozoans - unicellular Metezoans - multicellular
Most common helminths: Nematodes (roundworms) Cestodes (tapeworms) Trematodes (flatworms)
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Fungi Reproduce asexually or sexually, the
reproductive structure is called a spore
They get food from the environment
2 types of fungi: Yeasts – non-filamentous and unicellular Molds – filamentous and multicellular
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Virus Can not be seen by the naked eye
Assume variety of shapes: Spherical, hexagonal, bullet shaped, etc.
Very simple structure: Core made out of DNA or RNA
Surrounded by a protein coat
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Sources:
http://www.youtube.com/watch?v=m-3Ju0EX3gQ
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Sources:
science.howstuffworks.com
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Sources:
www.heavy.com
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Sources:
www.edu.pe.ca
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THANK YOU! ☻