Bacillus
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Food
most often associated with emetic type of food poisoning caused by Bacillus
cereus, is__________.
a.
Meat
b. Rice
c.
Milk
d.
Eggs
McFadyean's
reaction is employed for the presumptive diagnosis of__________.
a. anthrax
b.
tetanus
c.
typhoid
d.
all of these
Antibodies
to which of the following antigens of Bacillus anthracis are protective?
a.
Capsular polypeptide
b.
Somatic polysaccharide
c. Anthrax toxin
d.
None of these
Medusa
head appearance of the colonies may be due to__________.
a. Bacillus anthracis
b.
Proteus mirabilis
c.
Clostridium tetani
d.
Pseudomonas aeruginosa
The
bacteria, used to examine the efficacy of autoclave, is__________.
a.
B polymyxa
b.
B brevis
c. Bacillus
stearothermophilus
d.
B megaterium
Koch's
postulates were satisfied for the first time with__________.
a.
Clostridium tetani
b.
Corynebacterium diphtheriae
c. Bacillus anthracis
d.
Salmonella typhi
Ascoli's
thermoprecipition test helps in confirming the laboratory diagnosis of__________.
a.
tetanus
b. anthrax
c.
typhoid
d.
cholera
The
test(s) which can be used to differentiate anthrax bacilli from anthracoid
bacilli is/are__________.
a.
presence of medusa-head colony
b.
presence of capsule
c.
susceptibility to gamma phage
d. all of these