Staphylococci typically occur in:
A. Pairs
B. Chains
C. Tetrads
D. Irregular clusters
One of the following is an agglutination test in the diagnosis of typhoid:
A. Widal test
B. Eleks test
C. Mantoux test
D. Wasserman test
Which regards to temperature requirement, most pathogenic bacteria are:
A. Psychrophiles
B. Mesophiles
C. Cryophiles
D. Thermophiles
Which of the following is an acid-fast bacillus:
A. Mycobacterium bacilli
B. Treponema pallidum
C. Neisseria gonorrhea
D. All of the above
Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by:
A. Diphtheria
B. Typhoid fever
C. Rheumatic fever
D. Syphilis
The most common site where organisms are present in a typhoid carrier is:
A. Spleen
B. Gall Bladder
C. Liver
D. Salivary gland
Gram -ve bacteria stain during gram staining:
A. Blue color
B. Red color
C. Green
D. Colorless
Silver impregnation method of staining is useful to demonstrate:
A. Bacterial flagella
B. Spirochetes
C. Both of the above
D. None of the above
The temperature required for cultivating mycobacterium:
A. 2 degree
B. 0 degree
C. 27 degrees
D. 37 degrees
Salmonella typhi can be isolated at different times from:
A. Feaces
B. Blood
C. Urine
D. All of the above
