Clostridium
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The
most toxic exotoxin is ___________.
a.
tetanus toxin
b.
diphtheria toxin
c.
botulinum toxin
d.
cholera toxin
Which
of the following species of Clostridium is predominantly sacchrolytic?
a. C
septicum
b. C
perfringens
c. C
novyi
d.
All of these
Clostridium
botulinum food poisoning is due to
___________.
a.
invasion of bacteria in the intestine
b.
preformed toxin
c. both
(a) and (b)
d. none
of the above
Drumstick
appearance is characteristic of
___________.
a. C
tetanomorphum
b. C
tetani
c. C
sphenoides
d.
all of these
Which
of the following types of Clostridium perfringens produces alpha toxin most
abundantly?
a. Type A
b. Type
B
c. Type
C
d. Type
D
Which
of the following is predominantly proteolytic?
a. C.
sporogenes
b. C.
histolyticum
c.
Both (a) and (b)
d. C.
speticum
Nagler's
reaction is useful for the identification of
___________.
a. C
tetani
b. C
perfringens
c. C
botulinum
d. C
difficile
Typical
drumstick appearance of bacilli is generally seen in ___________.
a. C
perfringens
b. C
botulinum
c. C
tetani
d. C
histolyticum
Which
of the following(s) is/are obligate anaeorbes?
a. C
septicum
b. C
novyi
c. C
tetani
d.
All of these
Stormy
clot reaction is useful in identification of
___________.
a. C
tetani
b. C
botulinum
c. C
perfringens
d. C
difficile
Food
poisoning strains of Clostridium perfringens belong to ___________.
a.
type A
b. type
B
c. type
C
d. type
D
Reddening
of meat in cooked meat broth is produced by ___________.
a. C
tetani
b. C
histolyticum
c.
Clostridium perfringens
d. C
sporogenes
Blackening
of meat in cooked meat broth is through
___________.
a. C
histolyticum
b. C
perfringens
c. C
tetani
d. all
of these
Which
of the following properties are the characteristics of tetanospasmin?
a. It
is a heat-labile protein
b. It
is a neurotoxin
c. It
can be toxoided
d.
All of these
Types
of exotoxin, most commonly associated with botulism in man, is/are?
a. Type
A
b. Type
B
c. Type
E
d.
All of these