Sexually Transmitted Infections (STIs): Causes, Symptoms, and Treatment

Question 1

Which of the following is the most common bacterial STI in the United States?

Accepted Answer

Chlamydia trachomatis

Answer

Neisseria gonorrhoeae

Answer

Treponema pallidum

Answer

Gardnerella vaginalis

Question 2

Which of the following is a symptom of primary syphilis?

Accepted Answer

Painless chancre

Answer

Generalized rash

Answer

Fever

Answer

Condylomata acuminata

Question 3

Which of the following is NOT a risk factor for acquiring an STI?

Accepted Answer

Female gender

Answer

Multiple sexual partners

Answer

Unprotected sexual intercourse

Answer

Age under 25 years

Question 4

Which of the following is NOT a way that sexually transmitted infections (STIs) can spread?

Accepted Answer

Casual contact, such as shaking hands or hugging

Answer

Sexual contact

Answer

Blood transfusions

Answer

Sharing contaminated needles

Question 5

For a definitive diagnosis of Chlamydia trachomatis infection, which diagnostic test is most reliable?

Accepted Answer

Nucleic acid amplification test (NAAT)

Answer

Gram stain

Answer

Culture

Answer

Rapid antigen detection test

Question 6

Which of the following is **NOT** a mode of transmission for sexually transmitted infections (STIs)?

Accepted Answer

Airborne transmission

Answer

Sexual contact

Answer

Blood transfusion

Answer

Vertical transmission

Question 7

Which of the following antibiotics is the preferred first-line treatment for uncomplicated gonorrhea?

Accepted Answer

Ceftriaxone

Answer

Azithromycin

Answer

Doxycycline

Answer

Ciprofloxacin

Question 8

Which of the following is **NOT** a characteristic feature of chancroid?

Accepted Answer

Minimal symptoms

Answer

Painful ulcer with a soft base

Answer

Regional lymphadenopathy

Answer

Short incubation period

Question 9

What is the primary cause of weakened immune function in HIV-1 infection?

Accepted Answer

Depletion of CD4+ T cells

Answer

Activation of cytotoxic T cells

Answer

Interference with cytokine production

Answer

Impairment of B cell function

Question 10

What is a common symptom of chlamydia infection in females?

Accepted Answer

Vaginal discharge

Answer

Pelvic pain

Answer

Urethral discharge

Answer

Swollen lymph nodes

Question 11

What is the first-line therapy for uncomplicated gonorrhea?

Accepted Answer

Ceftriaxone

Answer

Azithromycin

Answer

Doxycycline

Answer

Metronidazole

Question 12

What is a defining feature of secondary syphilis?

Accepted Answer

Maculopapular rash

Answer

Primary chancre

Answer

Lymphadenopathy

Answer

Central nervous system involvement

Question 13

To effectively prevent sexually transmitted infections (STIs), which approach is most effective?

Accepted Answer

Adopting a comprehensive approach that includes condom use, vaccination, and screening

Answer

Relying solely on condom use

Answer

Focusing exclusively on vaccination

Answer

Limiting prevention efforts to regular screening

Question 14

Which of the following is NOT a defining characteristic of sexually transmitted infections (STIs)?

Accepted Answer

Exclusively involve genital contact

Answer

Caused by a variety of microorganisms

Answer

Can be asymptomatic

Answer

Spread through direct contact with infected body fluids

Question 15

Which of the following microorganisms is the primary cause of genital herpes?

Accepted Answer

Herpes simplex virus

Answer

Chlamydia trachomatis

Answer

Treponema pallidum

Answer

Neisseria gonorrhoeae

Question 16

Which of the following clinical presentations is characteristic of primary syphilis?

Accepted Answer

Painful genital ulcers

Answer

Maculopapular rash

Answer

Lymphadenopathy

Answer

Fever

Question 17

Which of the following is NOT a recognized category under the classification of STIs?

Accepted Answer

Non-infectious STIs

Answer

Bacterial STIs

Answer

Viral STIs

Answer

Parasitic STIs

Question 18

Which laboratory diagnostic method is considered the gold standard for confirming a diagnosis of gonorrhea?

Accepted Answer

Both Gram stain and NAAT

Answer

Gram stain

Answer

Culture

Answer

Nucleic acid amplification test (NAAT)

Question 19

For the treatment of uncomplicated gonorrhea, which antibiotic is typically recommended as the first-line choice?

Accepted Answer

Azithromycin

Answer

Amoxicillin

Answer

Ciprofloxacin

Answer

Doxycycline

Question 20

Which microorganism is the causative agent of syphilis?

Accepted Answer

Treponema pallidum

Answer

Chlamydia trachomatis

Answer

Neisseria gonorrhoeae

Answer

Herpes simplex virus

Question 21

What is the most common cause of pelvic inflammatory disease (PID)?

Accepted Answer

Chlamydia trachomatis

Answer

Neisseria gonorrhoeae

Answer

Mycoplasma genitalium

Answer

Ureaplasma urealyticum

Question 22

Which pathogen is the primary cause of non-gonococcal urethritis acquired through sexual contact?

Accepted Answer

Chlamydia trachomatis

Answer

Neisseria gonorrhoeae

Answer

Treponema pallidum

Question 23

Which of the following laboratory tests is the most specific for diagnosing syphilis?

Accepted Answer

Dark-field microscopy

Answer

KOH preparation

Answer

PCR

Answer

Gram stain

Question 24

What is the first-line treatment for uncomplicated gonorrhea in adults?

Accepted Answer

Ceftriaxone

Answer

Ciprofloxacin

Answer

Azithromycin

Answer

Metronidazole

Question 25

Which of the following is the most significant risk factor for acquiring an STI?

Accepted Answer

Unprotected sexual intercourse

Answer

Good hygiene

Answer

Long-term monogamy

Answer

Regular exercise

Question 26

What is the most prevalent STI in the United States?

Accepted Answer

Chlamydia

Answer

Syphilis

Answer

Herpes simplex virus-2

Answer

Gonorrhea

Question 27

Which of the following is a potential consequence of untreated STIs?

Accepted Answer

Pelvic inflammatory disease

Answer

Tooth decay

Answer

Common cold

Question 28

What is the recommended screening interval for HIV in sexually active adults with average risk?

Accepted Answer

Annually

Answer

Monthly

Answer

Every 5 years

Answer

Only when symptomatic

Question 29

Which of the following is NOT a mode of transmission for HIV?

Accepted Answer

Airborne droplets

Answer

Sharing needles

Answer

Blood transfusion

Answer

Sexual contact

Question 30

What is the overarching goal of STI management?

Accepted Answer

To prevent complications and transmission

Answer

To increase immunity

Answer

To relieve symptoms only

Answer

To eliminate all STI pathogens

Question 31

Which of the following is considered a core public health measure for STI prevention?

Accepted Answer

Health education and condom promotion

Answer

Mandatory STI testing for all citizens

Answer

School closures

Answer

Travel restrictions

Question 32

Which symptom is most commonly seen in men with gonorrhea?

Accepted Answer

Urethral discharge

Answer

Rash on the genitals

Answer

Fever

Answer

Swollen lymph nodes

Question 33

Which agent causes syphilis?

Accepted Answer

Treponema pallidum

Answer

Chlamydia trachomatis

Answer

Neisseria gonorrhoeae

Answer

Mycoplasma genitalium

Question 34

What is the typical incubation period for gonorrhea?

Accepted Answer

2-5 days

Answer

6-12 months

Answer

1-2 months

Answer

1-3 weeks

Question 35

How does hepatitis B virus primarily spread?

Accepted Answer

Contact with infected blood or body fluids

Answer

Fecal-oral transmission

Answer

Aerosol transmission

Answer

Vector-borne transmission

Question 36

Which of the following is NOT a common sexually transmitted infection (STI)?

Accepted Answer

Influenza

Answer

Gonorrhea

Answer

HIV

Answer

Chlamydia

Question 37

What is the most prevalent bacterial STI in the United States?

Accepted Answer

Chlamydia

Answer

Mycoplasma genitalium

Answer

Syphilis

Answer

Gonorrhea

Question 38

Which of the following is NOT a symptom of gonorrhea in males?

Accepted Answer

Genital warts

Answer

Urethral discharge

Answer

Testicular pain

Answer

Dysuria

Question 39

What is the primary route of transmission for syphilis?

Accepted Answer

Sexual contact

Answer

Animal bites

Answer

Vertical transmission (mother to child)

Answer

Blood transfusion

Question 40

Which laboratory test is the preferred method for diagnosing chlamydia?

Accepted Answer

Nucleic acid amplification test (NAAT)

Answer

Wet mount microscopy

Answer

Rapid plasma reagin (RPR) test

Answer

Culture

Question 41

What is the first-line treatment for uncomplicated gonorrhea?

Accepted Answer

Ceftriaxone

Answer

Azithromycin

Answer

Doxycycline

Answer

Metronidazole

Question 42

Which of the following is a potential long-term complication of untreated syphilis?

Accepted Answer

Cardiovascular disease

Answer

Pelvic inflammatory disease

Answer

Cervical cancer

Answer

Genital warts

Question 43

Which of the following is a potential risk factor for acquiring an STI?

Accepted Answer

Multiple sexual partners

Answer

High socioeconomic status

Answer

Being married

Answer

Older age

Question 44

What is the most effective method to prevent STIs?

Accepted Answer

Condom use

Answer

Vaccination

Answer

Abstinence

Answer

Regular handwashing

Question 45

Name the mode of transmission NOT directly responsible for the spread of sexually transmitted infections (STIs).

Accepted Answer

Vector-borne transmission

Answer

Sexual contact

Answer

Perinatal transmission

Answer

Blood transfusion

Question 46

Characterized by the formation of a chancre, which stage of syphilis is being described?

Accepted Answer

Primary syphilis

Answer

Tertiary syphilis

Answer

Secondary syphilis

Question 47

For the treatment of uncomplicated gonorrhea, which medication is considered first-line therapy?

Accepted Answer

Ceftriaxone

Answer

Azithromycin

Answer

Ciprofloxacin

Question 48

In the definitive diagnosis of syphilis, which laboratory test is employed?

Accepted Answer

Venereal Disease Research Laboratory (VDRL) test

Answer

Gram staining

Answer

Polymerase chain reaction (PCR) test

Answer

KOH preparation

Question 49

If left untreated, chlamydia infection may lead to which severe complication?

Accepted Answer

Pelvic inflammatory disease

Answer

Urethral stricture

Answer

Cervical cancer

Answer

Neurological disorders

Question 50

What is the primary objective of preventive measures against STIs?

Accepted Answer

To reduce the incidence of infections

Answer

Educate the public about STIs

Answer

Eliminate all STIs

Answer

Cure existing infections