Forwarded from مصطفى فتيان الماهود
Forwarded from مصطفى فتيان الماهود
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
Forwarded from مصطفى فتيان الماهود
All the followings are Characters of Streptococci except
Anonymous Quiz
9%
gram-positive cocci
78%
motile
7%
Catalase negative
6%
Facultative anaerobes
Forwarded from مصطفى فتيان الماهود
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
Forwarded from مصطفى فتيان الماهود
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
Forwarded from مصطفى فتيان الماهود
Enterococcus group
Anonymous Quiz
4%
Alpha haemolytic
4%
Beta haemolytic
78%
Gamma haemolytic
15%
Delta haemolytic
Forwarded from مصطفى فتيان الماهود
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
Forwarded from مصطفى فتيان الماهود
Regarding to Bile Esculin test, one of the following is false
Anonymous Quiz
24%
group D streptococci +
13%
Enterococcus +
12%
S. agalactiae –
52%
S. Pyogenes +
Forwarded from مصطفى فتيان الماهود
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
Forwarded from مصطفى فتيان الماهود
Bile Esculin test : Esculinase reacts with iron salts (ferric citrate) in the medium to form a phenolic iron complex which produce ________ coloration after the incubation
Anonymous Quiz
7%
White
5%
Blue
23%
Red
65%
Black
Forwarded from مصطفى فتيان الماهود
Bile solubility test
Anonymous Quiz
6%
Positive result: the cell wall is going to be lysed in presence of bile salt
1%
Negative result: the cell wall is not lysed
17%
distinguishes S.pneumoniae from all other alpha-hemolytic streptococci.
3%
Sodium deoxycholate will lyse the pneumococcal cell wall
72%
All of above
Forwarded from مصطفى فتيان الماهود
CAMP-test : S. agalactiae shows the arrow-shaped hemolysis near the staphylococcus streak, showing a positive test for CAMP factor
Anonymous Quiz
71%
T
29%
F
Forwarded from MCQ 3rd stage 🦋
Forwarded from medicine of Iraq
about salmonella all of the following are true except
Anonymous Quiz
60%
nonmotile
11%
Gram negative
15%
ferment glucose
13%
ferment mannitol
👏1
Forwarded from medicine of Iraq
About virulent factor of salmonellae
Anonymous Quiz
23%
H antigen heat lable
9%
O antigen heat lable
18%
Vi heat lable
51%
O heat resistance
🎲 اختبار 'Micro.quiz'
questions about practical micro I apologize for any mistakes🤍🙏🏻
🖊 14 سؤالًا · ⏱ 1 د
questions about practical micro I apologize for any mistakes🤍🙏🏻
🖊 14 سؤالًا · ⏱ 1 د
🔥2