Gram Positive Rods

Question 1

Identify the genera of Gram positive rods that form spores

Answer 1

1. Bacillus
2. Clostridium
3. (Lactobacillus: usually a non-spore former)

Question 2

Recognize Gram positive rods which are frequently found as normal flora and correlate the sites where they are found as normal flora

Answer 2

1. Corynebacterium: normal flora of skin and mucous membranes
2. Lactobacillus: normal flora of mouth, GI tract, vagina

Question 3

Discuss the significance of a capsule with Bacillus anthracis

Answer 3

The capsule is one of the necessary virulence factors for Bacillus anthracis – as it protects the organism against phagocytosis

Question 4

Identify the form of anthrax that would most likely be seen in a bioterrorism attack

Answer 4

Inhalation/Pulmonary Anthrax

Question 5

Identify the most fatal form of anthrax

Answer 5

Inhalation/Pulmonary Anthrax

Question 6

Identify the most common form of anthrax

Answer 6

Cutaneous Anthrax

Question 7

Discuss the diseases (type of infection, progression of disease, severity, etc.) associated with the Gram positive rods discussed in class
- B. anthracis

Answer 7

Type of infection: Cutaneous (Anthrax)
Progression of disease:

Question 8

Recognize all four forms of anthrax

Answer 8

1. Cutaneous Anthrax
   2.