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Rad Patho > Infection > Flashcards

Infection Flashcards

1
Q

Potential to harm/cause a disease

A

Pathogenicity

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2
Q

Degree/power/severity of danger that the microbe can create.

A

Virulence

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3
Q

Ability of microbe to cause disease

A

Pathogenicity

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4
Q

Pathogenicity is used to [..]

A

Describe and compare species

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5
Q

Virulence is used to [..]

A

Describe, or compare strains within a species

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6
Q

Virulence is based on

A

Invasive qualities
toxic qualities
presence of pili or fimbriae for adhesion
ability to avoid host defenses (mutate)

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7
Q

Capability to spread, and ability to enter a host

A

Invasive qualities

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8
Q

Chemicals that the agents can do

A

Toxic qualities

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9
Q

The ability of a microbe to enter the tissue

A

Invasiveness

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10
Q

Attraction of a certain microorganism group to a particular host

A

Specificity

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11
Q

types of pathogens

A

Virus
prions,
fungus,
parasites
bacteria

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12
Q

Pathogen that affects either the RNA/DNA

A

Virus

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13
Q

Pathogen that is present in brain cells, for example, mad cows disease (creutz Jacob disease)

A

Prions

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14
Q

Two forms of fungus

A

Yeast and mold

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15
Q

Two types of parasites

A

Protozoa and helminths

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16
Q

Chain of infection

A

Infectious agent,
Reservoir
portal of exit way out
mode of transmission
portal of entry way in,
susceptible host

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17
Q

Most valuable to break the chain

A

Mode of transmission

18
Q

Microorganism that cause the disease

A

Infectious agent

19
Q

Where are germs, lives and grows

A

Reservoir

20
Q

Germ need to find its way out, so it can spread

A

Portal of exit way out

21
Q

Sources of infections

A

Endogenous infections and exogenous infections

22
Q

Source of infection caused by own microflora

A

Endogenous infection

23
Q

Five sources of infection

A

Healthy carrier- asymptomatic
convalescent -recovered person, but can still transmit
temporary -could have the disease, could act as a carrier for up to six months
chronic carrier-could act as a carrier for more than six months
paradoxical carrier-acquired the disease from another carrier

24
Q

Modes of communicable disease transmission

A

Direct transmission
Indirect transmission

25
Q

Types of direct transmission

A

Direct contact
Droplet spread

26
Q

Types of indirect transmission

A

Airborne
vehicle borne
Vector borne

27
Q

Immediate transfer of direct contact

A

Direct transmission

28
Q

Microbial aerosols usually respiratory, suspended in dust or droplet nuclei made up by micro organisms

A

Airborne transmission

29
Q

Contaminated materials or fomites
May or may not have multiplied or developed on vehicle

A

Vehicle borne transmission

30
Q

Signs and symptoms of infection

A

Redness
Swelling
Tenderness
Warmth
Drainage
Red streaks leading away from wound

31
Q

Local signs of infection

A

Inflammation
Purulent exudate if bacterial infection
Serous exudate is viral
Tissue necrosis
Lymphadenopathy
Respiratory effects

32
Q

Systemic signs

A

Fever
Fatigue
Headache
Nausea

33
Q

Generalized stages of infection

A
  1. Entry of pathogen.
  2. Incubation - colonization
  3. Prodromal period
  4. Invasive period
  5. Period of decline
  6. Period of convalescence
34
Q

Stage of infection without signs and symptoms

A

Entry of pathogen

35
Q

Stage of infection also called asymptomatic period, it is between the initial contact with the microbe and the appearance of the first symptoms

A

Incubation

36
Q

Stage of infection under incubation, usually at the site of entry, and may still continue up to prodromal

A

Colonization

37
Q

Stage of infection where there is initial symptoms mild

A

Prodromal Period

38
Q

Stage of infection also called period of illness,

A

Invasive period

39
Q

Stage of infection were there is start of recovery and minimal signs and symptoms

A

Period of decline

40
Q

Stage of infection, where there is no signs and symptoms, recovered

A

Period of convalescence

Rad Patho (8 decks)

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