STIs - Week 24

Question 1

Types of Host defences against pathogens?

Answer 1

Acidic vaginal environment
Mucosal skin integrity
Phagocytes
Complement
Antibodies (IgA)
Cell-mediated response

Question 2

What viruses can be found in semen?

Answer 2

Cytomegalovirus
Hep B
HIV

Question 3

What organism causes chlamydia?

Answer 3

Chlamydia trachomatis

Question 4

What is the transmission of chlamydia?

Answer 4

Horizontal- sexual contact
Vertical (perinatal from injected mother to baby)

Question 5

How does chlamydia present?

Answer 5

Asymptomatic in most cases

Mucus, pus, urethral discharge, dysuria (men), post sex bleeding (women)

Can get conjunctivitis in babies

Question 6

How to test for chlamydia?

Answer 6

Urine sample for men
Vaginal swab for women

Question 7

How is chlamydia treated?

Answer 7

Doxycycline or azithromycin
STI screen and bloods

Question 8

Complications from chlamydia?

Answer 8

Reactive arthritis

pelvic inflammatory disease for women (ectopic pregnancy and infertility)

Epididymitis , prostatitis (men)

Question 9

What is the causative organism for gonorrhoea plus gram description?

Answer 9

Neisseria gonorrhoea

Gram neg coccus bacteria

Question 10

Transmission for gonorrhoea?

Answer 10

Sexual contact
Vaginal canal at birth to babies (conjunctivitis)

Question 11

How does gonorrhoea present?

Answer 11

Men: urethral discharge
Women: asymptomatic but sometimes vaginal discharge

Both: rectal and oropharyngeal infection

Question 12

How is gonorrhoea treated?

Answer 12

Ceftriaxone and azthromycin