Biomed I: Infectious Diseases Quiz

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pathogens

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43 Terms

1

pathogens

cause disease

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2

vectors

carriers of pathogens (ex: animals like mosquitos)

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3

few pathogens can enter through the skin if

the skin barrier is intact

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4

capsule

used to disguise cell from immune system

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5

pilli

help cell stick to surfaces

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6

sterile

free from bacteria

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7

genome

where genes of a virus are located

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8

capsid

protein cover that protects genome

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9

skin epithelium

a physical barrier that has several layers of protection

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10

defensins

chemicals that keep pathogens in check

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11

mucus

epithelium of the nose,gut and respriatory tract

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12

intestinal epithelium

line the intestines, one layer and prevents microbes from entering

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13

envelope

lipid-protein coat that covers capsid

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14

commensal bacteria

friendly bacteria

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15

complement

chemicals produced by the liver that kill pathogens

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16

B cells

produce antibodies

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17

T cells

attack infected host cells, recognize camouflaged pathogens

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18

phagocyte

eat microbes and use receptors on cell surface to identify them

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19

strain

genetic variants of the same organism or species

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20

mucosal membrane

membranes that line body cavities that are exposed to the external environment

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21

route of transmission

path that microbe takes to travel from host to host

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22

disease

overall impairment of health

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23

infective dose

amount of pathogens needed to infect host

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24

infectiousness

a pathogen's ability to survive, enter, and reproduce in the host

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25

spanish flu

huge pandemic in 1918

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26

pandemic

world wide disease

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27

infectious disease

disease caused by microbial agents

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28

flagella

how the cell moves, can change proteins so it's not detected by immune system

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29

spore

helps microbe stay alive if it has unbeneficial conditions

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30

gram positive cell wall

protects cell by using layers of muiren, also protects bacteria from different climates

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31

stomach acid

1.5-3.5 acidity, limits pathogens ability to infect host

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32

tears

contain enzymes that break down bacteria and keep cornea hydrated

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33

3 layers of the skin

epidermis,dermis,hypodermis

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34

vitamin D

only vitamin your body can produce on its own, skin synthesizes it

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35

corpuscles

sensory receptors on the skin

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36

eccrine sweat glands

more abundant glands, found in palms, forehead and soles of your feet

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37

apocrine sweat glands

less abundant glands, work around puberty, found in your armpits and groin

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38

sebaceous glands

oil glands found everywhere but in thick skin

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39

adipose tissue

layer of fat mostly present in the hypodermis insulating and cushioning the skin

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40

jaundice

a yellowing of the skin signaling liver problems

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41

Antonine Plague

165 AD, smallpox or measles, epidemic took place in Rome

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42

Bubonic Plague

14th century epidemic that killed 30-60% of European population

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43

antibodies

proteins that recognize different pathogens and mark them for destruction

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