Which of the following is the most resistant to destruction by chemicals and heat?
A. Spores of Aspergillus fumigatus
B. Mycobacterium tuberculosis
C. Ebola virus
D. coli
E. Spores of Bacillus anthracis
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Yersinia pestis, the causative agent of plague. Human plague can be bubonic or pneumonic. The primary epidemiologic difference between the two clinical forms of plague is
A. season of the year
B. route of infection
C. age of the patient
D. health of the animal vector
E. All of above
All Bacillus species are known as
A. endospore formers
B. obligate anaerobes
C. obligate aerobes
D. both a and b
E. both a and c
Which of the following bacteria produce endospores?
A. Salmonella
Bacillus anthracis
C. Staphylococcus aureus
D. Streptococcus pyogenes
E.coli
Plague is caused by
A. Yersinia pestis
B. Yersinia enterocolitica
C. Yersinia pseudotuberculosis
D. cereus
E. B.anthracis
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