basics of immune system

Question 1

what does the immune system do

Answer 1

it identifies and eliminates microorganisms and other harmful substances as well as abnormal cancer cells

Question 2

what are the different ways in which the immune system is able to carry out its function

Answer 2

it can distinguish between ‘self’ and foreign molecules, it can identify ‘danger’ signals

Question 3

what are the different ways in which the immune system can be manipulated

Answer 3

immunisation, anti-inflammatory and immunosuppressive drugs, cancer immune therapy

Question 4

describe what is meant by the term innate(natural) immunity

Answer 4

innate immunity is present constantly, these are defense mechanisms that have been present since birth and is generally non-specific

Question 5

describe what is meant by acquired(adaptive) immunity

Answer 5

acquired immunity is not always present, it is induced by the presence if foreign/non-self molecules, this response is usually a specific one