One of the following is a treponemal test for diagnosis of syphilis_____________?
(A) FTAB
(B) Widal test
(C) Wasserman test
(D) Kahn test
The genetic ability of a bacterium to grow in the presence of several antibiotics is passed in vivo from one bacterium to another by_____________?
(A) Conjugation
(B) Rarefaction
(C) Transduction
(D) Transformation
The virulence factors of Neisseria gonorrhea include all of the following except____________?
(A) Outer membrane proteins
(B) IgA Protease
(C) M-Proteins
(D) Pili
In a patient with typhoid, diagnosis after 15 days of onset of fever is best done by_____________?
(A) Blood culture
(B) Widal test
(C) Stool culture
(D) Urine culture
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
The causative organism of syphilis is___________?
(A) Borrelia burgolorferi
(B) Chalamydia trachomatis
(C) Leptospira interrogans
(D) Treponema pallidum
An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other antibiotics which of the following organisms is it likely to be ?
(A) Escherichia coli
(B) Klebsiella pnemoniae
(C) Proteus miribilis
(D) Pseudomonas aeruginosa
Bacteria reproduce mainly by______________?
(A) Budding
(B) Binary fission
(C) Sporing
(D) Bacterial components produced by host cells
All of the following are true of streptococcus except_____________?
(A) It’s group of lactic acid production bacteria
(B) Shows adherence to dental enamel
(C) Most common in humans
(D) Most common is animals