Lecture 3 Flashcards

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1
Q

Where do they bind

A

Cell
Cartilage
Bone
Skin

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2
Q

Name the 5 immune systems

A

IgA (MADGE)

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3
Q

What makes viruses difficult to cross into the body

A

Mucus

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4
Q

What is the worm called that come from infected snails

A

Helminth

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5
Q

What do helminth worms do in the skin

A

Swim in the water an burrow into the skin

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6
Q

What are rickettsia transferred by

A

Ticks

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7
Q

What is the normal skin pH

A

5.5

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8
Q

What benefit by having a skin pH of 5.5 do to pathogens

A

Can damage pathogen membrane

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9
Q

What is the fungus that lives on the nails and hair

A

Dermatocytes

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10
Q

What is the aim of insecticidals

A

Set up a barrier to prevent contact with the vector

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11
Q

What enzyme do tears have

A

Lysozyme

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12
Q

What does lysozyme do

A

Break the peptidoglycan of invading bacteria

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13
Q

Name the legionella organism

A

Leionella pneumophilia

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14
Q

Where are the adhesions on the pathogen

A

On their surface

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15
Q

Where do some virus bind to in the upper respiratory

A

Cilia

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16
Q

What does influenza do to the virus

A

Digests the mucus so it is easier to get out

17
Q

What does influenza bind to

A

Sialic acid

18
Q

What does influenza use to bind to sialic acid

A

Haemoglutin

19
Q

What does measles interact with

A

CD46

20
Q

How do some viruses paralyse the cilia

A

They produce a toxin

21
Q

Why do some viruses paralyse the cilia

A

So they cant get rid of it. It don’t want to be removed

22
Q

What roam free on the surfaces

A

Macrophages

23
Q

What do macrophages do

A

Identify foreign pathogens

24
Q

Name a stationary cell

A

Kupffer cells

25
Q

What do kupffer cells do

A

Wait for bacteria to pass them

26
Q

Do all foreign invaders live

A

Only some as they hide and infect macrophages.

27
Q

Different number of adhesions can give

A

Different number of interactions