CH-13 WHY DO WE FALL ILL?
Very short answer questions [1 mark each]
1. Define the terms- vaccine, vaccination, immunity
2. What is an epidemic ?
3. Why is it important to know the category to which an infectious agent of a disease belongs?
Answer the following questions [2 marks each]
1. State 2 precautions to be observed by people suffering from typhoid and tuberculosis
2. What is health ? How is personal health related to community health?
3. What is disease ? What do you mean by disease symptoms explain by giving an example ?
4. Why is that antibiotics affect bacteria, but not the host / human cells ?
5. Why are antibiotics that work against bacteria not effective against protozoan infections ?
6. What are peptic ulcers? How are they caused ?
7. Name any 2 group of micro-organisms from which antibiotics could be extracted.
8. State the principles of treatment of disease.
Answers
1. A product that stimulates a person's immune system to produce immunity to a specific disease, protecting the person from that disease. ... Vaccination: The act of introducing a vaccine into the body to produce immunity to a specific disease.
2. a large number of people or animals suffering from the same disease at the same time.
3. It is necessary to know the category to which an infectious agent of the disease belongs in order to identify proper targets and drugs for treatment of the diseases.
2.
The relations between personal and community health is thus influenced by those factors : individual health promotions, disease prevention and treatment, health managment… The higher those individual investments (distribution) , the higher the public health gain.
4. Human cells do not make or need peptidoglycan. ... The result is a very fragile cell wall that bursts, killing the bacterium. No harm comes to the human host because penicillin does not inhibit any biochemical process that goes on within us. Bacteria can also be selectively eradicated by targeting their metabolic pathways.
6. Peptic ulcers are sores that develop in the lining of the stomach, lower esophagus, or small intestine. They're usually formed as a result of inflammation caused by the bacteria H. pylori, as well as from erosion from stomach.
7. Two groups of microorganisms that produce antibiotics are Bacteria (e.g, Streptomyces produces Streptomycin) and some Fungi (e.g, Penicillin produced by Penicillium moulds).
Sorry, I had not given all answers due to the lack of knowledge
Mark it as a brainliest if it helped.
Follow me for helping me.
Thanks