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PHRM 865 > Bug Morphology > Flashcards

Bug Morphology Flashcards

Bacteria morphology, normal flora, and testing methods (57 cards)

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1
Q

Gram-positive falls under which 2 classifications?

A

Cocci and Bacilli

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2
Q

Which Gram-positive group is more common? (Cocci or Bacilli)

A

Cocci

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3
Q

Gram (+) Anaerobes

A

-Peptococcus
-Peptostreptococcus

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4
Q

Two Categories of Gram (+) Aerobic bacteria?

A

Clusters and Pairs/Chains

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5
Q

How do we test for Clusters or Pairs/chains in Gram(+) Aerobes?

A

Catalase

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6
Q

Gram (+) Aerobes classification that are Catalase (+)

A

Clusters

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7
Q

Gram(+) Aerobes classification that are Catalase(-)

A

Pairs/Chains

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8
Q

What enzyme is used to further differentiate Gram(+) Aerobic Catalase(+) bacteria?

A

Coagulase

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9
Q

Gram(+) Aerobic Clusters [Catalase (+)] Coagulase(+) bacteria?

A

Staphylococcus aureus

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10
Q

Gram(+) Aerobic Clusters [Catalase (+)] Coagulase(-) bacteria?

A

CoNS (Staphylococcus epidermidis)

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11
Q

How do we further classify bacteria after finding that they are Gram(+) Aerobic Pairs/Chains [Catalase(-)]?

A

Hemolysis (alpha, beta, and gamma)

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12
Q

Alpha-hemolysis bacteria

A

-Streptococcus pneumoniae
-Viridans streptococci

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13
Q

Beta-hemolysis

A

-Streptococcus pyrogenes (Group A)
-Streptococcus agalactiae (Group B)

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14
Q

Gamma-hemolysis (nonhemolytic)

A

-Enterococcus faecium
-Enterococcus faecalis

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15
Q

Gram(+) Bacilli are classified as which two categories?

A

Anaerobic and Aerobic

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16
Q

Gram(+) Bacilli Anaerobes

A

-Clostridium spp.
-Clostridioides difficile
-Cutibacterium
-Actinomyces

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17
Q

How do we further differentiate Gram(+) Bacilli Anaerobes?

A

Spore forming or Non-spore forming

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18
Q

Gram (+) Bacilli Anaerobic Spore forming bacteria

A

-Clostridium spp.
-Clostridioides difficile

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19
Q

Gram(+) Bacilli Anaerobic Non-spore forming bacteria

A

-Cutibacterium
-Actinomyces

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20
Q

Gram(+) Bacilli Aerobes

A

-Bacillus spp.
-Corynebacterium
-Lactobacillus spp.
-Listeria monocytogenes

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21
Q

How do we further differentiate Gram(+) Bacilli Aerobes?

A

Spore forming and Non-spore forming

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22
Q

Gram(+) Bacilli Aerobic spore forming

A

Bacillus spp.

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23
Q

Gram(+) Bacilli Aerobic Non-spore forming

Study These Flashcards
A

-Corynebacterium
-Lactobacillus spp.
-Listeria monocytogenes

24
Q

Most medically important pathogens are_____ rather than______?

Study These Flashcards
A

cocci, bacilli

25
Gram(+) _________ should be interpreted within clinical context
Bacilli
26
_________ form clusters
Staphylococcus
27
___________&_____________ appear in pairs or chains
Streptococci, Enterococci
28
Catalase test: __________from__________
Staphylococci, streptococci
29
Coagulase test: ________ _______ from coagulase-negative___________
Staphylococcus aureus, staphylococcus (CoNS)
30
Oral flora: ______-hemolytic
alpha
31
Oral flora: __________ and _______
S. pneumoniae, viridans streptococci
32
Skin, pharynx, genitourinary: _________-hemolytic
Beta
33
Skin, pharynx, genitourinary: __________&____________ _______
Group A, Group B Streptococci
34
Gastrointestinal: ________-hemolytic
Gamma
35
Gastrointestinal: __________ & _________
Enterococcus faecalis, faecium
36
Gram (-) can be broken up into what 3 classifications?
-Cocci -Coccobacilli -Bacilli
37
Gram (-) Aerobic Cocci:
-Neisseria spp. -Moraxella catarrhalis
38
Gram (-) Aerobic Coccobacilli:
Haemophilus spp.
39
Gram (-) Anaerobic Cocci:
Veillonella spp.
40
Gram (-) Anerobic Bacilli
-Bacteroides spp. -Fusobacterium spp. -Preveotella spp.
41
Gram (-) Aerobic Bacilli classes:
-Fastidious -Oxidase(+) and lactose fermenters -Non-lactose fermenters -Enterobacterales
42
Gram(-) Aerobic Bacilli Enterobacterales subgroups
-Lactose-fermenters [oxidase(-)] -Non-lactose fermenters
43
Gram(-) Aerobic Bacilli Eneterobacterales Lactose-fermenters [oxidase (-)] bacteria
-Citrobacter spp. -Enterobacter spp. -E. coli -Klebsiella (CEEK)
44
Gram(-) Aerobic Bacilli Enterobacterales Non-lactose fermenters bacteria
-Morganella morganii -Proteus spp. -Providencia spp. -Salmonella spp. -Serratia marcescens -Shigella spp.
45
Gram(-) Aerobic Bacilli Lactose-Fermenters [oxidase(+)] bacteria
-Aeromonas hydrophila -Pasteurella multocida -Vibrio cholerae
46
Gram(-) Aerobic Bacilli Non-Lactose-Fermenters bacteria
-Pseudomonas spp. -Acinetobacter spp. -Alcaliginese spp. -Burkholderia cepacia -Stenotrophomas maltophilia
47
Gram(-) Aerobic Bacilli Fastidious bacteria
-Campylobacter -Helicobacter -Bartonella -HACEK organisms
48
Atypical bacteria
-Chlamydia pneumoniae -Chlamydia trachomatis -Legionella pneumophilia -Mucoplasma pneumoniae
49
Spirochetes bacteria (cork screw Rotini looking asses)
-Treponema pallidum -Borrelia burgdoferi
50
Gram-negative morphology
Bacilli predominate pathogen
51
_______ test helps distinguish between enteric vs non-enteric lactose fermenters
Oxidase
52
__________ __________helps identify enterobacterales (enteric Gram(-) rods or lactose-fermenting Gram(-) rods) from non-fermenting Gram(-) rods (e.g. Pseudomonas)
Lactose Fermentation
53
Fastidious organs are ______ growers with require special supplemental media
Slow
54
Normal Skin Flora
-Diptheroids (Corynebacterium spp.) -Staphylocci (especially S. epidermidis) -Streptococci -Cutibacterium acnes -Propionibacterium spp.
55
Oropharynx (Upper) Flora
-Haemorphilus spp. -Streptococci (viridans group) -Diptheroids -Neisseria spp. -Oral anaerobes
56
GI Tract Flora
-Bacteroides spp. -Enterobacterales -Enterococci -Fusobacterium spp. -Peptostreptococcus spp. -Clostridium spp. -Lactobacillus
57
Genital Tract Flora
-Corynebacterium spp. -Enterbacterales -Lactobacillus spp. -Mycoplasma spp. -Staphylococci -Streptococci -Anaerobes -Candida spp.

PHRM 865 (4 decks)

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