Fimbriae are demonstrated by ___________________?
A. Culture
B. Gram stain
C. Biochemical reaction
D. Haemagglutination test
Microbiology
cAMP reaction is shown by which streptococci ?
cAMP reaction is shown by which streptococci ?
A. Group A
B. Group B
C. Group C
D. Group D
Cough plate method is used to identify________________?
Cough plate method is used to identify________________?
A. Y. pestis
B. Pertussis
C. Mycoplasma
D. M-Tuberculosis
Test for differentiating virulent form non-virulent tubercular bacilli_____________?
Test for differentiating virulent form non-virulent tubercular bacilli_____________?
A. Aryl sulphatase test
B. Niacin test
C. Neutral red test
D. Catalase peroxidase test
The most common pathogens responsible for nosocomial pneumonias in the ICU are______________?
The most common pathogens responsible for nosocomial pneumonias in the ICU are______________?
A. Gram positive organisms
B. Gram negative organisms
C. Mycoplasma
D. Virus infections
Negative staining is used to demonstrate________________?
Negative staining is used to demonstrate________________?
A. Bacterial spore
B. Bacterial Flagella
C. Bacterial capsule
D. Bacterial fimbriae
Borrelia vincenti is always associated with______________?
Borrelia vincenti is always associated with______________?
A. Spirochaetes
B. Fusiform bacilli
C. Treponema vincenti
D. None of the above
Bacteria acquire characteristics by all the following except_______________?
Bacteria acquire characteristics by all the following except_______________?
A. Through plasmids
B. Incorporating part of host DNA
C. Through bacteriophages
D. Through conjugation
All of the following organisms are known to survive intracellularly except_____________?
All of the following organisms are known to survive intracellularly except_____________?
A. Neisseria meningitides
B. Salmonella typhi
C. Streptococcus pyogenes
D. Legionella pneumophila
Chlamydia causes all of the following except________________?
Chlamydia causes all of the following except________________?
A. Trachoma
B. Non-gonococcal urethritis
C. Pneumonia
D. Parotitis