Question 1

Which of the following best describes the primary anatomical difference between the male and female urinary systems that contributes to the higher incidence of urinary tract infections (UTIs) in females?

Accepted Answer

Females have a shorter urethra, allowing bacteria easier access to the bladder.

Question 2

A 25-year-old woman presents with dysuria, increased urinary frequency, and suprapubic pain. Her urine culture grows Escherichia coli. Which disease is most likely responsible for her symptoms?

Accepted Answer

Cystitis

Question 3

Which of the following is a major complication of untreated pelvic inflammatory disease (PID)?

Accepted Answer

Salpingitis leading to infertility

Question 4

A patient presents with fever, flank pain, and costovertebral angle tenderness. Urinalysis reveals white blood cell casts. Which of the following is the most likely diagnosis?

Accepted Answer

Pyelonephritis

Question 5

Which organism is most commonly associated with the development of bacterial vaginosis?

Accepted Answer

Gardnerella vaginalis

Question 6

A newborn develops severe conjunctivitis shortly after birth. The mother was not treated for a sexually transmitted infection during pregnancy. Which organism is most likely responsible for this condition, known as ophthalmia neonatorum?

Accepted Answer

Neisseria gonorrhoeae

Question 7

Which of the following best describes the latent period of syphilis?

Accepted Answer

A period with no symptoms, but the organism remains in the body

Question 8

A patient presents with a painless, hard chancre on the genitals. Which stage of syphilis is this?

Accepted Answer

Primary stage

Question 9

Which of the following complications is most associated with tertiary syphilis?

Accepted Answer

Gummatous lesions and neurosyphilis

Question 10

Congenital syphilis is transmitted to the fetus by which of the following mechanisms?

Accepted Answer

Transplacental transmission during pregnancy

Question 11

Which of the following is a common sign of trichomoniasis in women?

Accepted Answer

Frothy, greenish vaginal discharge with a foul odor

Question 12

A patient presents with recurrent painful vesicular lesions on the genitals. Which statement best explains the recurrence of this infection?

Accepted Answer

The virus remains latent in sensory nerve ganglia and can reactivate.

Question 13

Which of the following is the most effective method for preventing the transmission of HIV?

Accepted Answer

Consistent and correct use of condoms

Question 14

Which of the following best describes the progression of HIV infection to AIDS?

Accepted Answer

AIDS is diagnosed when CD4+ T cell count drops below $$200 \ 	ext{cells}/\mu L$$ and/or opportunistic infections develop.

Question 15

Which of the following is a key difference between candidiasis and bacterial vaginosis?

Accepted Answer

Candidiasis is caused by a fungus, while bacterial vaginosis is caused by bacteria.

Question 16

A sexually active woman is diagnosed with chlamydia. If left untreated, which of the following complications is she at greatest risk for?

Accepted Answer

Pelvic inflammatory disease and infertility

Question 17

Which of the following best describes the transmission of Leptospira interrogans, the causative agent of leptospirosis?

Accepted Answer

Contact with water contaminated by animal urine

Question 18

A patient presents with multiple, painless, cauliflower-like growths on the genitalia. Which organism is most likely responsible?

Accepted Answer

Human papillomavirus (HPV)

Question 19

Which of the following equations best represents the calculation of CD4+ T cell count per microliter ($$\mu L) if a $$patient has 1,000 total lymphocytes per $$\mu L$$ and 20\% of them are CD4+ T cells?

Accepted Answer

$$1000 	imes 0.20 = 200 \ 	ext{CD4+ T cells}/\mu L$$

Question 20

A patient with a history of unprotected sex presents with a maculopapular rash on the palms and soles, mucous patches in the mouth, and generalized lymphadenopathy. Which stage of syphilis is most likely?

Accepted Answer

Secondary stage

Diseases of the Genitourinary Tract: Microbiology Study Guide

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