Diseases Caused by Micro-Organisms (Grade 11 NSC Matric Life Sciences): Flashcards
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Practise the cards
10 cards from this deck
Definition of pathogen
Definition of pathogen
Harmful micro-organism that causes disease
Definition of vector
Definition of vector
Organism that carries & spreads pathogens without being affected
Definition of pandemic
Definition of pandemic
Epidemic spread across multiple countries/continents
How rabies spreads
How rabies spreads
Through saliva of infected animals, usually via bites
Rabies incubation period
Rabies incubation period
Up to 60 days with no symptoms
Rabies symptom related to water
Rabies symptom related to water
Hydrophobia (fear of water)
Cells targeted by HIV
Cells targeted by HIV
CD4 cells (immune system cells)
Main HIV transmission routes
Main HIV transmission routes
Body fluids: sexual contact, blood, needles, mother to baby
Virus response to antibiotics
Virus response to antibiotics
Viruses do not respond to antibiotics
Why flu vaccines needed yearly
Why flu vaccines needed yearly
Flu viruses mutate rapidly and create new strains