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All THE FOLLOWING ARE GENERAL CHARACTERS OF BACILLUS SPP EXCEPT
Anonymous Quiz
6%
Catalase positive
5%
Motile except B. anthracis
80%
Obligatory anaerobic
9%
Spore forming (outside the host)
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Direct person-to-person spread of anthrax is extremely unlikely to occur.
Anonymous Quiz
85%
T
15%
F
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ุชุนุฏูู ุตูุบุฉ ุงูุณุคุงู ุงููุงุฏู
One of the following is true
One of the following is true
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Regarding to types of anthrax, one of the following is false
Anonymous Quiz
24%
Pneumonic Anthrax (Woolsorters disease) Most common form of the disease to humans
50%
Malignant Pustule acquired when spores from soil or carcass infect injured skin or mucous membrane
17%
Intestinal anthrax is common & occurs accidentally among butchers
8%
None of above is false
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Emetic form or short incubation of B. cereus poisoning , one of the following is false
Anonymous Quiz
5%
It is caused by heat stable enterotoxin
2%
Incubation period of 1-6 hrs
90%
It resembles food poisoning caused by Cl. perfringens
2%
Nausea, vomiting and abdominal cramps
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B. anthracis
Anonymous Quiz
4%
No hemolysis , motile
10%
ฮฒ-hemolysis , non motile
85%
No hemolysis, Non-Motile
1%
None of them
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Regarding to Cultural Characteristics of bacillus , Rough colonies indicates the pathogensity of organism (presence of capsule)
Anonymous Quiz
42%
T
58%
F
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SPORE STAIN PROCEDURE
Anonymous Quiz
4%
Hematoxylin and eosin
2%
Silver stain
88%
Malachite green and safranin
5%
methylene blue
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STARCH HYDROLYSIS (AMYLASE ACTIVITY)
Anonymous Quiz
70%
Appearance of colorless zone around the growth
17%
Appearance of bluish zone around the growth
6%
Bacillus not hydrolyzed the starch
7%
None of them
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Diarrheal form of B. CEREUS
Anonymous Quiz
7%
Incubation period of 8-16 hrs
2%
Abdominal cramps and diarrhea
4%
It is caused by heat labile enterotoxin
88%
All of them
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ู
ุญุงุถุฑุฉ
Streptococci
Streptococci
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All the followings are Characters of Streptococci except
Anonymous Quiz
9%
gram-positive cocci
78%
motile
7%
Catalase negative
6%
Facultative anaerobes
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Regarding to Alpha haemolytic Streptococci, one of the following is false
Anonymous Quiz
6%
Partial hemolysis
6%
e.g. S. pneumoniae
78%
Subdivided into 20 Lancefield groups
9%
Negative catalase test
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Lancefield classification based on
Anonymous Quiz
11%
M, T, R protein
82%
C- carbohydrate antigen of cell wall
2%
02 requirement
4%
None of above
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Enterococcus group
Anonymous Quiz
4%
Alpha haemolytic
4%
Beta haemolytic
78%
Gamma haemolytic
15%
Delta haemolytic
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distinguish between S. pyogenes from other beta hemolytic streptococci
Anonymous Quiz
6%
Bile solubility test
3%
Catalase test
86%
Bacitracin sensitivity test
5%
Bile Esculin test
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Regarding to Bile Esculin test, one of the following is false
Anonymous Quiz
24%
group D streptococci +
13%
Enterococcus +
12%
S. agalactiae โ
52%
S. Pyogenes +
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PYR test determines the activity of enzyme L-pyrroglutamyl amino-peptidase produced by _______
Anonymous Quiz
6%
S. agalactiae
84%
S. Pyogenes
5%
S. viridans
5%
Staphylococcus