Inverted fir tree appearance is characteristic: (JIPMER 2004)
Anonymous Quiz
37%
Bacillus anthrax
40%
Haemophilus influenzae
17%
Yersinia pestis
6%
Brucella
🔥3
Medusa head colony is seen in:
Anonymous Quiz
26%
Bordetella pertussis
17%
Bacteroides species
7%
Bartonella henselae
50%
Bacillus anthracis
❤3🥰2
Gas gangrene and Tetanus caused by which group of bacteria:
(JIPMER, May 2015)
(JIPMER, May 2015)
Anonymous Quiz
10%
Campylobacter
8%
Citrobacter
9%
Cardiobacterium
73%
Clostridium
🔥4❤1
Nonmotile clostridia is:
Anonymous Quiz
34%
Cl. perfringens
20%
Cl. novyi
32%
Cl. botulinum
14%
Cl. difficile
🔥4
Which of the following most likely cause necrotizing
enteritis?
enteritis?
Anonymous Quiz
23%
Clostridium botulinum
20%
Clostridium tetani
44%
Clostridium perfringens A
13%
Clostridium perfringens C
👍4
Regarding Clostridium perfringens gas gangrene,
false is:
(PGI June 2008, AIIMS May 2009)
false is:
(PGI June 2008, AIIMS May 2009)
Anonymous Quiz
10%
Common cause of gas gangrene
13%
Nagler reaction positive
54%
Food poisoning strain of Cl. Perfringens produces heat resistant spores
22%
Most common toxin is Hyaluronidase
🔥3❤1
Mechanism of action of tetanospasmin:
Anonymous Quiz
29%
Inactivation of Ach receptors
22%
Inhibition of cGMP
20%
Inhibition cAMP
29%
Inhibition of GABA release
🔥2
Site of action of tetanus toxin: (JIPMER 2007)
Anonymous Quiz
13%
Muscle fibers
30%
Presynaptic terminal of spinal cord
30%
Postsynaptic terminal of spinal cord
26%
Neuromuscular junction
🔥3
Which is used in digestion and decontamination of
sputum in smear preparation?
sputum in smear preparation?
Anonymous Quiz
25%
KOH
12%
NaCl
59%
N-acetyl-L-cysteine
4%
KCl
🔥4
Best criteria for tuberculosis diagnosis by WHO:
Anonymous Quiz
2%
Chest pain
34%
Mantoux positive
10%
X-ray finding
54%
Sputum examination
❤4
Wasserman test is:
Anonymous Quiz
14%
Agglutination test
57%
Complement fixation
19%
Precipitation test
10%
Neutralization test
❤4👍1🥰1
Paul Bunnel test is example of:-
Anonymous Quiz
33%
Agglutination
31%
Neutralization
25%
Precipitation
11%
CFT
👍3
Naegler reaction is example of:-
Anonymous Quiz
28%
Precipitation
21%
CFT
43%
Neutralization
9%
Agglutination
👍2❤1
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👍2
Which part of the brain regulates body temperature, hunger, and thirst?
Anonymous Quiz
9%
Thalamus
72%
Hypothalamus
15%
Cerebellum
3%
Pons
👍3
All of the following acids are used for decalcification of bones, EXCEPT _________.
Anonymous Quiz
54%
glutamic acid
12%
nitric acid
13%
formic acid
21%
hydrochloric acid
🔥5
What are the basic building blocks of DNA?
Anonymous Quiz
11%
Monosaccharides
6%
Fatty acids
28%
Amino acids
55%
Nucleotides
❤4
Which of the following PCR techniques is used to estimate the Hepatitis B viral load?
Anonymous Quiz
30%
Reverse transcription PCR
52%
Quantitative real-time PCR
13%
Qualitative real-time PCR
5%
Multiplex PCR
👏3
Which of the following is a characteristic feature of structure of body of a helminth?
Anonymous Quiz
8%
Single-celled structure
15%
Lack of organised tissues
66%
Presence of a segmented body
11%
Presence of cilia and flagella
👍4
Real-time PCR techniques can help diagnose and differentiate the acute and chronic hepatitis infection based on __________.
Anonymous Quiz
20%
antibody titers
30%
the enzyme activity
14%
the liver function test
36%
the viral load
👏4
In egg inoculation, which part of the egg is typically used for virus cultivation?
Anonymous Quiz
35%
Egg yolk
13%
Egg white
8%
Eggshell
44%
Chorioallantoic membrane
👏4❤1