Immunity And Disease Flashcards
(15 cards)
What are pathogens
What are pathogens
Microorganisms that live on body of a host and causes disease
Pathogens may be
Pathogens may be
Fungi
Bacteria
Virus
Protoctists
Reasons why Tb is a fatal infectious disease
Poor disease control program
Resistance to antibiotics
Rapid increase in the population of young adults as they’re more liable to be infected
Types of disease
Infectious
Non infectious
What is Non infectious disease
Disease not transmitted from another individual
Types of non infectious disease
Deficiency if nutrient (anemia)
Inherited disease (sickle cell anemia)
Degenerative (COPD, Alzheimer’s)
Cancer
What is infectious disease
Diseases caused by pathogens and are transmissible that can be transferred from one person to another
How infectious diseases are spread
Direct contact
Indirect contact
Examples of direct contact
Touch (athletes foot)
Pathogens passing through placenta or breast feeding women to her fetus or baby (HIV)
Through contact if body fluids during sexual intercourse (HIV)
Examples of indirect contact
Drops in air from infected person through coughing/sneezing (influenza)
Contaminated food (salmonella)
Vector (malaria, plaque)
Contaminated water (cholera)
How to stop cholera
Sewage treatment
Avoid usage of contaminated human faeces as fertilizer
Use chlorinated water
Decrease no infected people using effective antibiotics and oral rehydration therapy
How to stop malaria
Decrease number of mosquitoes by killing them
Avoid being bitten by mosquito using insect repellent and mosquito nets
How to stop salmonella
Wash food by clean water before eating
Eat recently cooked food as it destroys bacteria
Cover food away from animals
Keep raw meat away from vegetables
Don’t keep food at warm temp for long time
Wash hands with antiseptics before touching food
How to stop tuberculosis
Vaccination
Drink pasteurized milk
Less over crowding well ventilating
Balance and better diet to improve immunity
Food safety
- Food hygiene
➢ Waste disposal
➢ Personal hygiene
➢ Sewage treat