Major Pathogenic Gram-Positive Rods in Medical Bacteriology
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Questions and Answers

What is the main disease caused by Bacillus anthracis?

Anthrax

What are the characteristics of Bacillus spp.?

Gram-positive or gram variable, aerobic or facultative anaerobic, form endospores, thermophiles, beta hemolytic, and catalase-positive.

What is the most medically relevant group of Bacillus spp.?

Bacillus cereus group

What are the forms of human disease caused by Bacillus anthracis?

<p>Cutaneous, pulmonary (inhalation), gastrointestinal, and injectional</p> Signup and view all the answers

What was the impact of the 2001 outbreak of Bacillus anthracis?

<p>18 cases and 5 deaths</p> Signup and view all the answers

What are the main forms of human disease caused by Bacillus anthracis?

<p>cutaneous, pulmonary (inhalation), gastrointestinal, and injectional</p> Signup and view all the answers

What is the significance of the 2001 outbreak of Bacillus anthracis in the United States?

<p>The outbreak involved both inhalation and cutaneous anthrax, caused by the mailing of spores, resulting in 18 cases and 5 deaths.</p> Signup and view all the answers

What are the characteristics of the Bacillus cereus group?

<p>The group consists of Bacillus anthracis, Bacillus cereus, Bacillus thuringiensis, and Bacillus mycoides, considered to be variants of a single species.</p> Signup and view all the answers

What are the general characteristics of Bacillus spp.?

<p>They are aerobic or facultative anaerobic bacilli that form endospores, some of which are thermophiles growing best at 55°C or higher, beta hemolytic, motile, and catalase-positive.</p> Signup and view all the answers

What are the major human diseases caused by Bacillus anthracis?

<p>Anthrax</p> Signup and view all the answers

Which of the following best describes the general characteristics of Bacillus spp.?

<p>Gram-positive or gram variable aerobic or facultative anaerobic bacilli that form endospores</p> Signup and view all the answers

What is the most medically relevant group of Bacillus spp.?

<p>Bacillus cereus group</p> Signup and view all the answers

What is the significance of the 2001 outbreak of Bacillus anthracis in the United States?

<p>There were 18 cases of inhalation and cutaneous anthrax, causing 5 deaths</p> Signup and view all the answers

Which of the following best describes the disease caused by Bacillus anthracis?

<p>Causes cutaneous, pulmonary (inhalation), gastrointestinal, and injectional diseases in humans</p> Signup and view all the answers

Which of the following characteristics is NOT true for Bacillus spp.?

<p>Non-motile bacteria</p> Signup and view all the answers

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