T. STIs

Question 1

Sexually TransmittedInfections

Answer 1

• Infectious diseases most commonly transmitted through sexual contact
• Can be bacterial or viral
• also transmitted by Blood, Blood products, Perinatal transmission, Autoinoculation

Question 2

Gonorrhea

Answer 2

• Caused by Neisseria gonorrhoeae
• Direct physical contact with infected host
• Present in genitalia, rectum, and oropharynx
• 2nd most common STI
• Easily killed by drying, heating, or washing with antiseptic
• Elicits inflammatory process that can lead to fibrous tissue and adhesions

Question 3

Anorectal gonorrhea

Answer 3

• anal/rectal

* Usually from anal intercourse

Question 4

Syphilis

Answer 4

• a bacterial infection usually spread by sexual contact.
• The disease starts as a painless sore — typically on the genitals, rectum or mouth.
• Syphilis spreads from person to person via skin or mucous membrane contact with these sores
• Association with HIV

Question 5

Chlamydial

Answer 5

• Most prevalent bacterial STI in Canada
• Caused by Chlamydia trachomatis (bacteria)
• infected persons are asymptomatic “Silent disease”
• Transmitted during vaginal, anal, or oral sex

Question 6

Genital Herpes

Answer 6

• Caused by herpes simplex virus (HSV)
• Enters through mucous membranes or breaks in the skin during contact with infected persons
• HSV reproduces inside cell and spreads to surrounding cells.
• Persists for life

Question 7

HSV-1

Answer 7

• Causes infection above the waist

* Either strain can cause disease on mouth or genitals.

Question 8

HSV-2

Answer 8

• Frequently infects genital tract and perineum

* Either strain can cause disease on mouth or genitals.

Question 9

Human Papillomavirus Infection

Answer 9

• Caused by human papillomavirus (HPV)
• Genital Warts
• Highly contagious
• Minor trauma causes abrasions for HPV to enter and proliferate into warts.
• White to grey and pink-fleshed coloured
• May form large cauliflower-like masses