B5-Communicable Diseases Flashcards
(33 cards)
What are the two different types of diseases?
Communicable and non-communicable diseases.
How 3 things which can causes you to have a disease?
Diet,stress and life situation.
How can pathogens spread?
Pathogens can spread through water, air or direct contacts.
How can pathogens enter your body?
Pathogen can enter through the body through the air, by direct contact or through contaminated water and food.
What makes up your immune system?
The cilia, tears, mucus, stomach acid, urine, scabs and the skin.
What are the many forms a pathogen may be?
Bacteria, viruses, protists or fungi.
What is the difference between bacteria and viruses?
Bacteria are single celled living organisms that are smaller than plant and animal cell. Viruses are even smaller than bacteria.
How do pathogen cause disease?
Bacteria divides rapidly by dividing into two. They can cause toxins. They also can directly damage the cells.
Viruses take over cells in your body. They the live and reproduce inside of that cell.
What are communicable disease?
Disease that can be spread between organisms
What is a pathogen?
Disease-causing microorganisms.
What is a toxin
Harmful chemical produced by a microorganism.
What is a protist?
An example of a microorganism?
State 3 positive effects of using bacteria?
Bacteria are used in making food, an important decomposer and is used in making medicine.
What is the droplet infection?
It is when droplets of that contain pathogen are release into the air through coughing, sneezing or talking.
Who helped develop modern understand of pathogens?
Ignaz Semmelweis, Louis Pasteur and Joseph Lister.
What did Ignaz Semmelweis find out?
He saw his students went straight from dissecting a dead body to delivering a baby. He thought this cause the high amount of women that died of childbed fever so he told this students to wash their hand. This decreased the amount of deaths.
Other discoveries.
- Louis Pasteur showed that microorganisms caused disease. He developed vaccines.
- Jospeh Lister used chemicals to destroy pathogens
- Microscopes helped show that pathogen were really real.
What are the main ways of preventing communicable diseases?
Hygiene
Isolating infected individuals
Destroying and controlling vectors
Vaccination
Measles
What are the symptoms?
How is It spread?
Symptoms:fever skin rash
Spread:Inhalation of droplets from coughs and sneezing.
HIV
What are the symptoms?
How is It spread?
Symptoms:Mid flu-like illness
Spread:Spread by direct sexual contacts
TMV
What are the symptoms?
How is It spread?
Symptoms:Causes a distinctive ‘mosaic’ pattern and discolouration of the leaves
Spread:Contact of disease plant material and healthy plant.
Salmonella
- What is it?
- What are the symptoms?
- How is it controlled?
Salmonella is a bacteria
Salmonella disrupts the balance of gut bacteria. Can cause salmonella food poisoning.
It is controlled by the vaccination of poultry.
Gonorrhoea
- What is it?
- What are the symptoms?
- How is it controlled?
It is a sexually transmitted disease
The symptoms are thick yellow or green discharge from the vagina or pain.
It can be treated with antibiotics.
-You can stop by using barrier methods of contraception such as a condom
Rose Black Spot
- What are the symptoms?
- How does it spread?
- How is treated?
It causes purple or black spots to develop on the leaves
It is spread through the spores of the fungus which is carried by the wind.
It is treated by removing and burning the leaves that are affected.
