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Infection control > Infection control, bacteria and viruses > Flashcards

Infection control, bacteria and viruses Flashcards

1
Q

Epidemiology

A

The branch of medicine which deals with the incidence, distribution and possible control of diseases and other factors relating to health

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2
Q

Epidemic

A

A widespread occurrence of an infectious disease in a community at a particular time

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3
Q

Pandemic

A

An epidemic which occurs all over the world

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4
Q

Endemic

A

A disease is present at a low level in a country or area

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5
Q

Anthroponosis

A

A disease which can pass from man to animals

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6
Q

Bacterial conjugation

A

Transfer of genetic material between bacterial cells by direct contact. This takes place through Pilus

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7
Q

Binary fission

A

Process is where one cell divides to give two identical daughter cells

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8
Q

Term for bacteria that reproduce asexually?

A

Binary fission

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9
Q

Term for bacteria that reproduce sexually?

A

Bacterial conjugation

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10
Q

Order the process of viral replication?

A.P.R.S.A.R

A 
Attachment
Penetration
Replication
Synthesis
Assembly 
Release
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11
Q

Examples of pathogens?

A 
Bacteria
Viruses
Protozoa
Fungi
Parasites
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12
Q

5 groups of bacteria

A 
Cocci
Bacilli
Spirilla
Vibrios
Spirochaetes
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13
Q

Shape of cocci

A

Spherical

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14
Q

Shape of bacilli

A

Rod

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15
Q

Shape of Spirilla

A

Spiral

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16
Q

Shape of Vibrios

A

Comma

17
Q

Shape of Spirochaetes

A

Corkscrew

18
Q

Characteristics of bacteria

A

Size micrometers (µm)
Contain a cell wall
Bacteria do not have a nucleus
Possess both DNA & RNA
Contain Ribosomes (Protein building blocks)
Sensitive to antibiotics
Note Rickettsias, mycoplasmas and chlamydias are much smaller than typical bacteria.

19
Q

Colour of gram positive bacteria when stained?

A

Purple

20
Q

Colour of gram negative bacteria when stained

A

Red/pink

21
Q

Which is the larges leukocyte?

A

Monocytes

22
Q

Viruses are composed of two parts which are?

A

Nucleic acid and capsid

23
Q

The rheostat on a microscope has what function?

A

To adjust the amount of light being smitten by the light bulb in the base

24
Q

An Animal that’s recovered from a disease but still carries the pathogen is called

A

Convalescent carrier

25
Q

Viruses are composed of two parts…

A

Nucleic acid and capsid

Infection control (5 decks)

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