B6 Preventing and treating Disease

Question 1

What is a vacine?

Answer 1

Substances containing disabled antigens of a particular disease, usually administered via injection. Vaccines stimulate the body to produce antibodies to provide immunity against that disease.

Question 2

what does a pathogen do when it enters your body?

Answer 2

if a pathogen enters the body the immune system tries to destroy the pathogen.

Question 3

what is a pathogen?

Answer 3

Microorganism that causes disease

Question 4

what does a vaccination involve?

Answer 4

• Vaccination involves introducing small amounts of dead or inactive forms of a pathogen into your body to stimulate the white blood cells to produce antibodies
• If the same live pathogen re-enters the body, the white blood cells respond quickly to produce the correct antibodies, preventing infection.

Question 5

What do painkillers and other medicines do?

Answer 5

Painkillers and other medicines treat the symptoms of disease but do not kill the pathogens that cause it.

Question 6

What do Antibiotics cure?

Answer 6

Antibiotics cure bacterial diseases by killing the bacterial pathogens inside your body.

Question 7

why don’t Antibiotics destroy viruses?

Answer 7

-Antibiotics do not destroy viruses because viruses reproduce inside the cells. It is difficult to develop drugs that can destroy viruses without damaging your body cells.

Question 8

What is the problem with Strains of Bacteria.

Answer 8

Strains of bacteria that are resistant to antibiotics are evolving. This means that antibiotics which used to killing a particular type of bacteria no longer have an effect, so they cannot cure the disease.

Question 9

What is Preclinical testing?

Answer 9

Preclinical testing of new drugs takes place in a laboratory on cells. tissues , and live animals.