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Term 3 Midterm > Bacteria > Flashcards

Bacteria Flashcards

1
Q

Staph. Aureus

A

Gram +
Cocci
Catalase + (O2 production from H2O2 breakdown)
Coagulase + (clot)
B-hemolysis (Complete lysis - Clear zone)

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2
Q

Staphylococcus

A

Gram +
Cocci
Catalase +

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3
Q

Streptococcus

A

Gram +
Cocci
Catalase -

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4
Q

Clostridium Difficile

A 
Gram +
Bacilli/Rods
SOD -
Catalase -
Obligate Anaerobic
Endospores
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5
Q

Corynebacterium

A

Gram +

Bacilli/Rods

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6
Q

Listeria

A

Gram +

Bacilli/Rods

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7
Q

Bacillus

A

Gram +
Bacilli/Rods
Aerobic
Endospores

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8
Q

Staph. epidermidis

A 
Gram +
Cocci
Catalase +
Coagulase -
Novobiocin sensitive
Gamma hemolysis (No lysis)
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9
Q

Staph. saprophyticus

A 
Gram +
Cocci
Catalase +
Coagulase -
Novobiocin resistant
Gamma hemolysis (No lysis)
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10
Q

Strep. Pneumoniae

A 
Gram +
Diplococci
Catalase -
Alpha hemolysis (Partial lysis - Green zone)
Encapsulated
Optochin sensitive
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11
Q

Strep. Mutans, Viridans

A 
Gram +
Cocci
Catalase -
Alpha hemolysis (Partial lysis - Green zone)
No capsule
Optochin resistant
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12
Q

Strep. pyogens

A 
Gram +
Cocci
Catalase -
SOD+ 
Aerotolerant Anaerobe
Beta hemolysis (Complete lysis - Clear zone)
Bacitracin sensitive
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13
Q

Strep. Agalctinae

A 
Gram +
Cocci
Catalase -
Beta hemolysis (Partial lysis - Clear zone)
Bacitracin resistant
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14
Q

Enterococcus (E. Faecalis)

A 
Gram +
Cocci
Catalase -
Gamma hemolysis (No lysis)
Growth in Bile & 6.5% NaCl
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15
Q

Nonenterococcus (Strep. Bovis)

A 
Gram +
Cocci
Catalase -
Gamma hemolysis (No lysis)
Growth in Bile & 6.5% NaCl
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16
Q

Mycobacterium

A

Atypical
Acid-Fast Bacilli - Mycolic Acid cell wall - Ziehl Neelsen stain
I.e Mycobacterium TB (obligate aerobe, SOD+, catalase+, Lowenstein-Jensen Agar), Mycobacterium Leprosae

17
Q

Mycoplasma

A

Atypical
No cell wall - no gram stain - intrinsically Ab. resistant
Pleomorphic

18
Q

Chlamydia

A 
Atypical
Giemsa stain
Obligate intracellular
Pleomorphic - B. Lactam AB. Resistant
I.e. Chlamydia trachomatis, Chlamydia pneumonia, Chlamydia psittaci
19
Q

Rickettsia

A 
Atypical
Obligate intracellular
Pleomorphic
Transmission: Arthropod bite
I.e. R. rickettsi (tick, RMSF), R. prowazekii (lice), R. typhi (flea)
20
Q

Spirochetes

A

Atypical
Endoflagella
No gram stain - B. Lactam AB resistant
I.e. Treponema (Syphilis), Borrelia (Lyme Dx)

21
Q

Helicobacter Pylori

A 
Gram -
Comma-shaped/Vibrio - Spirilla
Urease +
SOD+
Catalse +/-
Microaerophile
22
Q

Campylobacter Jejuni

A

Gram -
Curved Rods/Vibrio
Oxidase +
Growth in 42 deg C

23
Q

Vibrio Cholera

A

Gram -
Oxidase + (aerobic)
Comma-shaped
Growth in Alkaline Media

24
Q

Salmonella

A 
Gram -
Bacilli/Rods
Lactose Non-fermenter (MacConkey Agar - clear colonies)
Oxidase - (anaerobic)
Motile
25
Q

Shigella

A 
Gram -
Bacilli/Rods
Lactose Non-fermenter (MacConkey Agar - clear colonies)
Oxidase - (anaerobic)
Urease -
Immotile
26
Q

Citrobacter

A

Gram -
Bacilli/Rods
Lactose Fermenter (MacConkey Agar) - Slow

27
Q

Serratia

A

Gram -
Bacilli/Rods
Lactose Fermenter (MacConkey Agar) - Slow

28
Q

Klebsiella

A

Gram -
Bacilli/Rods
Lactose Fermenter (MacConkey Agar) - Fast

29
Q

E. Coli

A 
Gram -
Bacilli/Rods
Lactose Fermenter (MacConkey Agar - pink colonies) - Fast
Facultative Aerobe
SOD+
Catalase +
Urease -
30
Q

Enterobacter

A

Gram -
Bacilli/Rods
Lactose Fermenter (MacConkey Agar) - Fast

31
Q

Haemophilus Influenzae

A

Gram -

Coccoid Rods

32
Q

Pasteurella

A 
Gram -
Coccoid Rods
(Animal Bites)
Facultative Anaerobic
Nonmotile
Pleomorphic
Oxidase +
Catalase -
33
Q

Brucella

A

Gram -

Coccoid Rods

34
Q

Bordetella Pertussis

A

Gram -

Coccoid Rods

35
Q

Legionella

A

Gram -

Coccoid Rods

36
Q

Francisella

A

Gram -

Coccoid Rods

37
Q

N. Meningitidis

A

Gram -
Diplococci
Maltose Fermenter

38
Q

N. Gonorrhoeae

A

Gram -
Diplococci
Maltose Non-fermenter

Term 3 Midterm (3 decks)

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