6. Sex & STIs & PID

Question 1

when do sperm gain the ability to move?

Answer 1

at the tail of epididymis

Question 2

why does seminal vesicle fluid contain prstoaglandins?
clotting factors?

Answer 2

stop female rejecting sperm
stays inside female

Question 3

nervous system responsible for erection

Answer 3

parasympathetic

Question 4

nervous system responsible for ejaculation

Answer 4

sympathetic

Question 5

describe how an erection is achieved in terms of blood flow

Answer 5

-SM in coiled helicon arteries relaxes and straightens
-blood flows into corpus cavernosum
-bulbospngiosus and ischiocavernosus compress venous plexus to retain blood in penis

Question 6

how does viagra work?

Answer 6

slows rate of cGMP degradation so prolonged vasodilation and erection

Question 7

side effect of viagra

Answer 7

headaches due to systemic vasodilation

Question 8

what can cause polyspermy? result?

Answer 8

fusion of plasma membranes of oocyte not fast enough
miscarriage

Question 9

what is meant by chlamydia trachoma’s being an obligate intracellular bacterium?

Answer 9

acts like a virus, so can test for it using a viral swab

Question 10

discharge in gonorrhoea

Answer 10

thick, yellow

Question 11

discharge in trichomoniasis

Answer 11

yellow, odorous, frothy

Question 12

how to tell between trichononiasis and BV

Answer 12

no smelly discharge
itching

Question 13

trichomoniasis treatment

Answer 13

metronidazole

Question 14

discharge in BV

Answer 14

fishy, thin, grey

Question 15

types of HPV causing 90% of infections

Answer 15

6, 11

Question 16

types of HPV associated with cervical cancer

Answer 16

16.18

Question 17

vaccinations for HPV, and which types they target

Answer 17

Gardasil: 6,11,16,18
cervarix: 16.18

Question 18

can HSV be eradicated? if not, how can it be managed?

Answer 18

no
reduce severity and duration of current episode
limit frequency/ severity of repeat episodes

Question 19

early complications of PID

Answer 19

sepsis
peritonitis

Question 20

PID management

Answer 20

admit if unwell
ABx before swab results
STI screening
contact tracing via GUM clinic
advise to complete ABx, use barrier contraception

Question 21

syphillis treatment

Answer 21

penicillin ABx