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Microbiology > Gram-Positive Bacilli > Flashcards

Gram-Positive Bacilli Flashcards

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Biology 101 flashcards
1
Q

Medusa head colonies or rhizoid (BAP)

A

B anthracis

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2
Q

Bamboo pole arrangement in culture

A

B anthracis

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3
Q

String of pearls (MHA w/ penicillin)

A

B anthracis

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4
Q

True or false: B anthracis is beta-hemolytic and motile

A

FALSE

It is non-motile and non-hemolytic

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5
Q

Ground glass colonies

A

B anthracis

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6
Q

Hemolytic pattern of B cereus

A

B hemolytic

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7
Q

Iridescent sheen on EYA

A

C. botulinum

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8
Q

Strabismus (wandering eye)

A

C botulinum

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9
Q

Double zone of hemolysis

A

C perfringens

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10
Q

Spores usually absent in solid media and thioglycollate broth

A

C perfringens

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11
Q

Only clostridial agent that’s aerotolerant

A

C perfringens

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12
Q

Important cause of antibiotic-associated pseudomembranous colitis

A

C difficile

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13
Q

Horse barnyard odor

A

C difficile

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14
Q

Medusa head + B-hemolytic

A

C septicum
Note: Also smoothly swarming

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15
Q

Clostridium that’s:
• Lecithinase (+)
• Lipase (+)

A

• C. perfringens
• C. botulinum

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16
Q

All diphteriae are urease negative except

A

Ulcerans & pseudo

17
Q

Most commonly isolated Corynebacterium spp

A

C. amycolatum

18
Q

Only bacteria that can cross the placenta

A

L monocytogenes

19
Q

Granulomatosis infantseptica
Perinatal human listeriosis

A

L monocytogenes

20
Q

Similarities btw Listeria and S agalactiae

A

• Neonatal meningitis
• CAMP (+)
• H.H. (+)

21
Q

Only gram positive bacilli that is H2S (+)

A

E. rhusiopathiae

22
Q

Only bacteria with which we use human blood

A

Gardnerella vaginalis

23
Q

First drug used for TB

A

Streptomycin

24
Q

• Mantoux
• Von Pirquet
• Volmer

A

• Intradermal/intracutaneous
• Scratch
• Patch

25
Q

Primary drugs for TB

A

RIPES

• Rifampin
• Isoniazid
• Pyrazinamide
• Ethambutol
• Streptomycin

26
Q

Secondary drugs for TB

A

C3OKER

• Capreomycin
• Ciprofloxacin
• Cycloserine
• Ofloxacin
• Kanamycin
• Ethionamide
• Rifabutin

Microbiology (6 decks)

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