L1 Flashcards

1
Q

immunology

A

study of body’s defence system

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2
Q

why are we able to live longer now?

A

better hygiene
vaccine development
anti-infectious drugs - antibiotics

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3
Q

types of pathogen

A

bacteria
viruses
fungi
parasites (protozoa, worms)

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4
Q

stages of infection

A

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

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5
Q

_____ immunity is the first line of defence against infection

A

innate

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6
Q

3 types of barriers to infection

A

mechanical
chemical
microbiological

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7
Q

3 innate immune cells

A

phagocytes
granulocytes
lymphoids

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8
Q

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

A

macrophages
resident
macrophages

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9
Q

macrophage

A

eat things
make anti-bacterial + anti-microbial things

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10
Q

monocyte

A

in blood
can enter the tissue and differentiate into macrophage

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11
Q

neutrophil

A

70% of phagocytes
short-lived
deal with something quickly

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12
Q

phagocytes (types)

A

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

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