Bacteriology Anaerobes Quiz

37 Questions | By Darkrain9000 | Last updated: Mar 20, 2022 | Total Attempts: 1536

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1.

Moderate anaerobes are unable to multiply in an atmosphere containing more than ____
- A.
  
  10-20% oxygen
- B.
  
  5-10% oxygen
- C.
  
  2-8% oxygen
- D.
  
  7-14% oxygen
2.

Strict anaerobes cannot multiply in the presence of more than _______ oxygen.
- A.
  
  2%
- B.
  
  1%
- C.
  
  .5%
- D.
  
  10%
3.

_____ anaerobes are seldom associated with human infections
- A.
  
  Moderate
- B.
  
  Strict
4.

________ anaerobes are those that exist outside the bodies of animals
- A.
  
  Endogenous
- B.
  
  Exogenous
5.

_______ anaerobes are those that exist inside the bodies of animals also called
- A.
  
  Endogenous
- B.
  
  Exogenous
6.

Anaerobes causing human infection are most frequently ______ in origin.
- A.
  
  Exogenous
- B.
  
  Endogenous
7.

_____% of bacteria in saliva, nasal washings and gingival and tooth scrapings are anaerobic
- A.
  
  50
- B.
  
  20
- C.
  
  70
- D.
  
  90
- E.
  
  40
8.

Most anaerobes are ____- smelling
- A.
  
  Sweet
- B.
  
  Foul
9.

Expectorated sputum is cultured for the presence of anaerobes.
- A.
  
  True
- B.
  
  False
10.

Transtracheal aspirates are collected to diagnose aspiration pneumonia.
- A.
  
  True
- B.
  
  False
11.

About half the bacteria in cervical and vaginal cultures are anaerobes; cannot be distinguished as indigenous or actually causing infection.
- A.
  
  True
- B.
  
  False
12.

Anaerobes outnumber aerobes by _____:__.
- A.
  
  500:1
- B.
  
  1000:1
- C.
  
  1000,000:1
- D.
  
  10:1
- E.
  
  100:1
13.

The only anaerobe of interest in the Gastrointestinal tract is _____.
- A.
  
  Clostridium difficile
- B.
  
  Propionibacterium acnes
- C.
  
  Bacteroides fragilis
14.

Testing for the presence of Clostridium difficle is done by looking for _________________.
- A.
  
  Presence of toxins
- B.
  
  Growth of the organism
15.

The absence of leukocytes in Human infections rules out anaerobic infection.
- A.
  
  True
- B.
  
  False
16.

Gram positive Sporeforming Anaerobic Bacilli are all classified as _____.
- A.
  
  Bacteroides
- B.
  
  Porphyromonoas
- C.
  
  Clostridium
17.

Spores of Clostridia may be grouped by the location of the spore. Spores are described as
- A.
  
  Terminal
- B.
  
  Middle
- C.
  
  Posterior
- D.
  
  Anterior
- E.
  
  Subterminal
- F.
  
  Middle
- G.
  
  Central
18.

Clostridiums species are most frequently isolated from _____ anaerobic infections.
- A.
  
  Endogenous
- B.
  
  Exogenous
19.

Clostridium. difficile is the only Clostridia infection of ______ origin.
- A.
  
  Exogenous
- B.
  
  Endogenous
20.

Clostridia cause disease such as
- A.
  
  Tetanus
- B.
  
  Gas gangrene
- C.
  
  Food poisoning
- D.
  
  Botulism
- E.
  
  All of the Above
- F.
  
  None of the Above
21.

Clostridium perfringens is associated with two types of food poisoning. Type A is ____.
- A.
  
  A mild and self-limited illness of the GI tract
- B.
  
  serous but rarely seen in GI illness
22.

Clostridium perfringens is associated with two types of food poisoning. Type C is ____.
- A.
  
  A mild and self-limited illness of the GI tract
- B.
  
  More serious but rarely seen GI illness
23.

Type A entertoxin from Clostridium perfringens requires what kind of treatment?
- A.
  
  Fluid replacement
- B.
  
  Antibiotics
24.

Type C entertoxin from Clostridium perfringens requires what kind of treatment?
- A.
  
  Fluid replacement
- B.
  
  Treatment with antibiotics
25.

Clostridium boutulinus produces seven different botulinium toxins(A-G). Which types are associated with human infections?
- A.
  
  A, B, and C
- B.
  
  A, B, G
- C.
  
  C, B, E
- D.
  
  A, B, E
- E.
  
  A, E, G