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# The causative organism of syphilis is: (AIPG -94)
a) Borrelia burgolorferi
b) Chalamydia trachomatis
c) Leptospira interrogans
d) Treponema pallidum
# On a stained slide, Clostridium tetani has the appearance of a: (MAN-95)
a) Bunch of grapes
b) Chain of beads
c) Drum stick
d) Safety pin
# 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? (MAN-95)
a) Escherichia coli
b) Klebsiella pnemoniae
c) Proteus mirabilis
d) Pseudomonas aeruginosa