B8-053 STIs

Question 1

when should pregnant women be screened for syphilis? [3]

Answer 1

first prenatal visit
28 weeks
onset of labor

Question 2

DOC for chlamydia

Answer 2

doxycyline

Question 3

when is it safe to resume sexual activity following chlamydia?

Answer 3

one week after patient and partner complete treatment

Question 4

DOC for chlamydia in a patient with tetracycline allergy

Answer 4

azithromycin

also pregnant patients

Question 5

most common bacterial STI globally

Answer 5

chlamydia

(second is gonorrhea)

Question 6

DOC for gonorrhea

Answer 6

ceftriaxone

Question 7

caused by invasive serovars of Ct which invade the regional lymph nodes

Answer 7

lymphogranuloma venereum

Question 8

painless genital ulcer followed by tender inguinal lymphadenopathy
“groove sign”

Answer 8

lymphogranuloma venereum

Question 9

important cause of proctitis and proctocolitis in MSM

Answer 9

lymphogranuloma venereum

chlamydia

Question 10

treatment of lymphogranuloma venereum

Answer 10

doxycyline (extended for 21 days)

Question 11

reduces bacterial STIs by 66% in MSM when taken within 24 hrs after condomless sex

Answer 11

DoxyPEP

(only indicated for males assigned at birth)

Question 12

most common non-viral STI worldwide

caused by protozoan

Answer 12

trichomonas

Question 13

[what stage of syphilis]

painless non-itchy skin ulceration at site of inoculation (chancre)

Answer 13

primary

Question 14

[what stage of syphilis]

diffuse rash, frequently involving palms/soles

Answer 14

secondary

Question 15

[what stage of syphilis]

ocular (Argyll-Robertson pupil)
acute hepatitis
nephrotic syndrome

Answer 15

secondary

Question 16

[what stage of syphilis]

neuro/cardiac issues
gummas

Answer 16

tertiary

Question 17

treatment of primary, secondary, and early latent syphilis

Answer 17

PenG IM x1

(or can do 14 days of doxy)

Question 18

treatment of late latent syphilis

Answer 18

PenG IM x3

(or 28 days of doxy)

Question 19

treatment of syphilis in pregnant patients

Answer 19

PenG IM x2

(must receive PenG, cannot do oral doxy)

tetracyclines are contraindicated in pregnancy

Question 20

adequate treatment of syphilis is a […] fold reduction in titer

Answer 20

four

(must also increase 4-fold to be considered a new infection in previously treated patients)

Question 21

initial itching followed by painful skin vesicles

Answer 21

HSV

Question 22

DOC for HSV

Answer 22

valacylovir

Question 23

most prevalent STI worldwide

Answer 23

HPV

Question 24

the HPV vaccine is approved for ages […] to […]

Answer 24

9-45

Question 25

if a patient is 9-14 years of age, how many doses of HPV vaccine do they need?

Answer 25

2

(6-12 months apart)

Question 26

if a patient is 15-45 years of age, how many doses of HPV vaccine do they need?

Answer 26

3

(1-2 months, then 6 months)

Question 27

women aged 25-65 should be screened for cervical cancer via HPV test every […] years

Answer 27

5

Question 28

what patient population demonstrates the highest benefit to screening for anal cancer?

(via ANCHOR study)

Answer 28

screening PLWH yearly starting at age 35

Question 29

all patients ages 18-79 should be screened for […] at least once

then repeated based on risk factors

Answer 29

Hep C

Question 30

all patients ages 15-65 should be screened for […] at least once

then repeated based on risk factors

Answer 30

HIV

(one in 4 new infections occurs in youths aged 13-24)

Question 31

vaccines available for [3]

Answer 31

HPV
Hep A
Hep B

Question 32

many cases of gonorrhea/chlamydia are […] encouraging the need for routine screening

Answer 32

asymptomatic

Question 33

treatment for genital warts

Answer 33

imiquimod

Question 34

factors that affect the spread of STIs

Answer 34

poverty
marginalization
access to care
substance abuse
stigma
secrecy