Question 1

Which organism is responsible for causing condylomata acuminata, and what is a major complication associated with this infection?

Accepted Answer

Human papillomavirus (HPV); can lead to cervical cancer

Question 2

Which of the following is a portal of entry for sexually transmitted infections (STIs)?

Accepted Answer

Skin

Question 3

A patient presents with painless genital sores followed by a rash and swollen lymph nodes. Which infection is most likely, and what is the causative agent?

Accepted Answer

Syphilis; Treponema pallidum

Question 4

Which sexually transmitted infection is most commonly asymptomatic but can lead to pelvic inflammatory disease (PID) and infertility if untreated?

Accepted Answer

Chlamydia trachomatis infection

Question 5

Which of the following agents is NOT typically associated with causing sexually transmitted infections?

Accepted Answer

Helminths

Question 6

A patient is diagnosed with genital herpes. Which stage involves the virus remaining dormant in nerve cells, and what is the term for this stage?

Accepted Answer

Latency

Question 7

Which of the following sexually transmitted vaginal infections is caused by an anaerobic protozoan and is characterized by a frothy, yellow-green discharge?

Accepted Answer

Trichomoniasis

Question 8

Which treatment is recommended for gonorrhea to address possible co-infection and antibiotic resistance?

Accepted Answer

Dual antibiotic therapy with ceftriaxone and azithromycin

Question 9

Which of the following is a complication of late-stage syphilis?

Accepted Answer

Gummas (soft, tumor-like growths)

Question 10

Which sexually transmitted infection is preventable by vaccine and is associated with the development of cervical cancer?

Accepted Answer

Human papillomavirus (HPV)

Question 11

A newborn develops conjunctivitis after birth. Which maternal STD is most likely responsible, and what is the recommended treatment?

Accepted Answer

Chlamydia trachomatis; azithromycin or doxycycline

Question 12

Which of the following best describes the pathogenesis of genital herpes recurrence?

Accepted Answer

The immune response fails to control the virus, leading to periodic outbreaks

Question 13

Which STD is caused by Haemophilus ducreyi and is characterized by painful genital ulcers?

Accepted Answer

Chancroid

Question 14

Which of the following is a common cause of candidiasis in women?

Accepted Answer

Suppression of normal protective bacterial flora by antibiotic therapy

Question 15

Which STD is most likely to cause joint infection (disseminated gonococcal infection) as a complication?

Accepted Answer

Gonorrhea

Question 16

Which of the following is the correct sequence of stages in syphilis?

Accepted Answer

Primary (chancre) → Secondary (rash, fever) → Tertiary (organ damage)

Question 17

Which STD is caused by Chlamydia trachomatis L1-L3 types and can result in lymphogranuloma venereum (LGV)?

Accepted Answer

Chlamydia trachomatis

Question 18

Which of the following is a real-world consequence of untreated pelvic inflammatory disease (PID) caused by chlamydia or gonorrhea?

Accepted Answer

Infertility due to scarring of the fallopian tubes

Question 19

Which equation best represents the probability $$P of $$transmission of an STD given contact rate $$C$$, transmission efficiency $$E$$, and duration of infectiousness $$D$$?

Accepted Answer

$$P = C 	imes E 	imes D$$

Question 20

A patient with a history of unprotected sex presents with burning during urination and yellow discharge. Which STD is most likely, and what is the primary portal of entry?

Accepted Answer

Gonorrhea; genitourinary tract

46 patho

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