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Species groups Flashcards

1
Q

All the species groups talked about are gram negative. What is the one that is only “considered” gram negative and why?

A

Mycoplasmas, they don’t have a cell wall and there for cannot stain positive or negative

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2
Q

What species groups have a bacilli morphology?

A

-Bacteroide
-Proteus
-Pseudomonas
-Shigella
-Rickettsia prowazekii, typhi, and rickettsii
-Coxiella burnetii

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3
Q

What species groups have a coccus morphology?

A

-Mycoplasmas
-Chlamydia psittaci and trachomatis

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4
Q

All of the species groups are aerobes except for who?
What are their oxygen requirements?

A

-Bacteroide: Obligate anerobe
-Shigella: Facultative aerobe
-Chlamydia trachomatis: Anaerobe

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5
Q

Which are the 3 motile species groups?

A

-Bacteroide (some)
-Proteus (highly)
-Pseudomonas

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6
Q

None of the species can form endospores except for who?

A

Bacteroide

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7
Q

Who are the opportunistic saprophytes?

A

Proteus

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8
Q

Who is often resistant to antibiotics and their cell wall allows them to survive in harsh conditions?

A

Pseudomonas

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9
Q

Who is ofter associated with poor hygiene, contaminated food and water, and flies and produces toxins that cause inflammation and tissue damage in the colon?

A

Shigella

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10
Q

Who’s colonies adhere easily to surfaces in the respiratory and urogenital tract and are resistant to many antibiotics?

A

Mycoplasmas

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11
Q

Species where humans are the natural reservoir and are Obligate intracellular parasites

A

Rickettsia prowazekii

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12
Q

Who is found in the saliva of a tick?

A

Rickettsia rickettsii

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13
Q

Highly resistant to environmental factors and are very similar to Rickettsia but are not

A

Coxiella burnetii

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14
Q

Which species groups are obligate parasites and have rigid cell walls?

A

Chlamydia psittaci and trachomatis

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15
Q

Who is responsible for Epidemic typhus (louse-born tyophus).

A

Rickettsia prowazekii

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16
Q

Transmitted when a human scratches open a wound and rubs fecal matter from the the body louse into the wound.
-Found in overcrowded areas with poor sanitation
-May cause white fur to grow on tongue or cause tongue to be black and rolled up
-Causes rash on hands and feet, fatigue, headache, and neurological symptoms

A

Epidemic typhus (louse-born typhus)

17
Q

Who causes Endemic typhus?

A

Rickettsia typhi

18
Q

Transmitted from rat flea to humans.
-Warm climates
-Sometimes associated with rash

A

Endemic typhus

19
Q

Who is responsible for Rock Mountain spotted fever?

A

Rickettsia rickettsii

20
Q

Severe infection
-Causes rash on hands and feet
-Headache, muscle ache, fever, nausea, and vomiting
-More common in SE US and Appalachia

A

Rocky Mountain spotted fever

21
Q

Who causes Q fever?

A

Coxiella burnetii

22
Q

Associated with fever headache, malaise, muscle pain, and nausea.
-Can lead to endocarditis up to 20 years after the initial infection

A

Q fever

23
Q

What species causes Psittacosis (parrot fever)?

A

Chlamydia psittaci

24
Q

A form of pneumonia, associated with birds, transmitted via inhalation of aerosolized microbes from bird droppings

A

Psittacosis (parrot fever)

25
Q

Who is responsible for Chlamydia (lymphogranuloma venerum)?

A

Chlamydia trachomatis

26
Q

Inflammation of the urinary tract
-Causes blindness and eye lesions
-Pelvic inflammatory disease
-Birth defects
-Infertility

A

Chlamydia (lymphogranuloma venerum)
Trachoma is blindness and eye lesions

27
Q

What two species cause the following:
-secondary infection
-infections of burns
-UTI
-Contribute to decomp

A

Bacteroide and Proteus
-Pseudomonas cause the same but no UTI or decomp

28
Q

Causes shigellosis or bacillary dysentery

A

Shigella

29
Q

Species that may cause bronchitis, pharyngitis, and atypical pneumonia

A

Mycoplasmas
-M. Pneumoniae - responsible for atypical pneumonia

30
Q

Which species are a part of the normal human biome?

A

-Bacteroide (intestinal)
-Proteus (gastrointestinal)
-Shigella (gastrointestinal)

31
Q

Portal of entry:
-Skin/ mucous membrane
-genitourinary tract

A

-Bacteroide
-Proteus

32
Q

Portal of entry:
-Skin/ mucous membrane

A

-Pseudomonas
-Rickettsia prowazekii, typhi, and rickettsii

33
Q

Portal of entry:
-Digestive tract

A

Shigella

34
Q

Portal of entry:
-Respiratory tract
-Urogenital tract

A

Mycoplasmas

35
Q

Portal of entry:
-Skin/ mucous membrane
-Digestive tract
-Respiratory tract

A

Coxiella burnetii

36
Q

Portal of entry:
-Respiratory tract

A

Chlamydia psittaci

37
Q

Portal of entry:
-Genitourinary tract

A

Chlamydia trachomatis

Micro (15 decks)

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