L1

Question 1

immunology

Answer 1

study of body’s defence system

Question 2

why are we able to live longer now?

Answer 2

better hygiene
vaccine development
anti-infectious drugs - antibiotics

Question 3

types of pathogen

Answer 3

bacteria
viruses
fungi
parasites (protozoa, worms)

Question 4

stages of infection

Answer 4

entry into body
replication and spread
disease
exit from body (infecting others)

Question 5

_____ immunity is the first line of defence against infection

Answer 5

innate

Question 6

3 types of barriers to infection

Answer 6

mechanical
chemical
microbiological

Question 7

3 innate immune cells

Answer 7

phagocytes
granulocytes
lymphoids

Question 8

granulocytes can go and become ______ but there are ____ ____ as well

Answer 8

macrophages
resident
macrophages

Question 9

macrophage

Answer 9

eat things
make anti-bacterial + anti-microbial things

Question 10

monocyte

Answer 10

in blood
can enter the tissue and differentiate into macrophage

Question 11

neutrophil

Answer 11

70% of phagocytes
short-lived
deal with something quickly

Question 12

phagocytes (types)

Answer 12

tissue macrophages
monocytes in blood
neutrophils polymorphonuclear (PMN) leukocytes in blood