Question 1

Which of the following sexually transmitted infections (STIs) is caused by a bacterium and is considered curable with antibiotics?

Accepted Answer

Chlamydia

Question 2

A patient presents with a painless ulcer on the genitals that appeared about three weeks after unprotected sexual contact. Which stage of syphilis is most likely present?

Accepted Answer

Primary syphilis

Question 3

Which of the following is a symptom commonly associated with gonorrhea in men?

Accepted Answer

Burning sensation during urination

Question 4

Syphilis is caused by which type of infectious agent?

Accepted Answer

Bacterium

Question 5

A 41-year-old woman is diagnosed with cervical cancer after abnormal vaginal bleeding. Which sexually transmitted virus is most likely associated with her diagnosis?

Accepted Answer

Human papillomavirus (HPV)

Question 6

Which of the following statements about the treatment of viral STIs is correct?

Accepted Answer

Medications can relieve symptoms and reduce transmission risk.

Question 7

During which stage of syphilis can neurological and cardiovascular complications develop?

Accepted Answer

Tertiary syphilis

Question 8

Which of the following best describes the symptoms of genital herpes (HSV-2)?

Accepted Answer

Painful genital sores

Question 9

A patient is diagnosed with gonorrhea. Which of the following is the most appropriate treatment?

Accepted Answer

Antibiotics

Question 10

Which of the following is a distinguishing feature of latent syphilis?

Accepted Answer

No symptoms, but infection is still present

Question 11

If a person is infected with hepatitis B virus (HBV), which organ is primarily affected?

Accepted Answer

Liver

Question 12

Which of the following equations best represents the risk reduction in STI transmission when effective medication is used for a viral STI?

Accepted Answer

$$R = R_0$ - (E 	imes R_0$)$$

Question 13

A patient with untreated tertiary syphilis is most at risk for which of the following complications?

Accepted Answer

Neurological damage

Question 14

Which of the following is NOT a curable sexually transmitted infection?

Accepted Answer

Genital herpes (HSV-2)

Question 15

A person develops a painless sore on the genitals, which heals, but years later experiences heart failure. Which STI is most likely responsible for this progression?

Accepted Answer

Syphilis

Question 16

Which of the following best explains why antibiotics are ineffective against viral STIs?

Accepted Answer

Viruses lack the cellular structures targeted by antibiotics.

Question 17

Which of the following is a common misconception about the symptoms of chlamydia in women?

Accepted Answer

Chlamydia always causes noticeable symptoms.

Question 18

A patient with genital warts is most likely infected with which virus?

Accepted Answer

HPV

Question 19

Which of the following best describes the progression of untreated syphilis?

Accepted Answer

Primary (painless ulcer) → Latent (no symptoms) → Tertiary (organ damage)

Question 20

Which of the following is a recommended strategy to reduce the risk of acquiring a sexually transmitted infection?

Accepted Answer

Consistent and correct use of condoms

Understanding Sexually Transmitted Infections (STIs): Types, Symptoms, and Stages

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