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MORT 100 > Rickettsia > Flashcards

Rickettsia Flashcards

1
Q

General characteristics: all types

A

True pathogens and obligate intracellular parasites

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2
Q

Penetration of skin

A

Can quickly reach the blood stream, when this happens, it attacks the cells and brings vascular obstruction leading to ischemia,
Fevers that last several days and skin rash

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3
Q

Embalming consideration

A

Discoloration, dehydration, anemia

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4
Q

Ischemia

A

When part of the body dies, because there is no blood supply

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5
Q

Epidemic typhus fever

A

Rickettsia prowazekii

World Wide

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6
Q

Pathogenicity

A

Obligate aerobic

Severe form, commonly found after war (louse borne,lice and fleas)

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7
Q

Portals of entry and exit (rickettsia prowazekii)

A

Skin,death from high fever and myocardial and neurological involvement

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8
Q

Modes of transmission

rickettsia prowazekii

A

Bite of body louse( lice)

The lice ingests the microbe and defecates on the skin of the person and can re-infect the host

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9
Q

Endemic (murine) typhus fever

A

Rickettsia Typhi ( world wide)

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10
Q

Murine

A

Mouse or rodents

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11
Q

Pathogenicity ( rickettsia typhi)

A

This is a mild form of flea borne

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12
Q

Portals of entry and exit ( rickettsia typhi)

A

Skin and respiratory system

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13
Q

Modes of transmission

rickettsia typhi

A

Bite of a rat flea

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14
Q

Rocky Mountain spotted fever

A

Rickettsia Rickettsii

Western Hemisphere

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15
Q

Pathogenicity (rickettsia rickettsii)

A

Tick borne

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16
Q

Portals of entry and exit:(rickettsia rickettsii)

A

Skin

Death to hypotension and cardiac arrest

17
Q

Modes of transmission ( rickettsia rickettsii)

A

Bite of an American dog tick, line star tick, Rocky Mountain wood tick

18
Q

Fever

A

Coxiella Burnetti

19
Q

Pathogenicity ( coxiella burnetti)

A

Can be a spore in soil, and survives many disinfectants, resistant to heat, dryness and sunlight ( air borne animal particles, airborne transmission)

20
Q

Portals of entry and exit ( coxiella burnetti)

A

Skin and respiratory system

21
Q

Modes of transmission ( coxiella burnetti)

A

To animal by tick and to humans by direct contact with animal ( goats,sheep, or cattle)
Ingestion of raw contaminated milk, bioterrorism

22
Q

Embalming concerns ( all type)

A

Skin rash may cause problems of discoloration; ischemia may cause distribution and diffusion problems

23
Q

Other concerns with embalming

all type

A

Restoration art

MORT 100 (4 decks)

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