MBI 111 Final Exam, Miami University questions with correct answers

Syphilis agent Answer spirochete not seen in gram stain, only seen by dark field microscopy Other names for Syphilis Answer "the great pox", "the great imitator", venereal leprosy, (insert any country name) disease syphilis transmission Answer mostly sexual contact (10-30% transmission rate) penetrates skin surface through mucous membrane, wound, abrasion, or hair follicle syphilis incubation Answer 3 weeks primary syphilis symptoms Answer chancre- painless ulcer, extremely infectious, develops at site of infection persists for 2-6 weeks, then disappears spontaneously secondary syphilis symptoms Answer occurs 3-4 months after primary fever and swollen lymph nodes skin rash- extremely infectious, begins on palms and soles, painless and itchless lesions on mucous membranes patchy hair loss damage to liver, spleen, nervous system spontaneously resolves in 2-6 weeks