chapter 21 Flashcards
What is the primary difference between sexually transmitted infections (STIs) and sexually transmitted diseases (STDs)?
STIs involve the presence of pathogenic organisms, while STDs manifest as symptoms and damaging effects resulting from an infection.
Define sexually transmitted infections (STIs).
STIs are characterized by the presence of pathogenic organisms in a host, even in the absence of noticeable symptoms.
Which organs are primarily affected by STIs in females?
- Ovaries
- Fallopian Tubes
- Uterus
- Vagina and External Genitalia
Which organs are primarily affected by STIs in males?
- Testes
- Prostate Gland
- Urethra
- Penis
What is the causative agent of gonorrhea?
Neisseria gonorrhoeae
List common transmission routes for gonorrhea.
- Vaginal sexual activity
- Anal sexual activity
- Oral sexual activity
What are some symptoms of gonorrhea?
- Discharge
- Pain
- Asymptomatic in some cases
True or False: Gonorrhea can increase the risk of HIV and chlamydia.
True
What bacterium causes syphilis?
Treponema pallidum
What are the stages of syphilis infection?
- Primary Stage
- Secondary Stage
- Tertiary Stage
What characterizes the primary stage of syphilis?
Small, red sores called chancres that appear and eventually disappear.
What are chlamydial infections caused by?
Chlamydia trachomatis
What is a common complication of untreated chlamydial infections?
Pelvic inflammatory disease
What are common causes of nongonococcal urethritis (NGU)?
- Mycoplasma hominis
- Ureaplasma urealyticum
What is the primary symptom of chancroid?
Soft, painful lesions or chancres
What is the causative agent of donovanosis?
Klebsiella granulomatis
What is a common symptom of donovanosis?
Irregular, painless ulcers on or near the genitals
List some emerging bacterial infections mentioned.
- Mycoplasma genitalium
- Neisseria meningitis
- Shigella flexneri
What chronic viral infection affects the immune system and can lead to AIDS?
HIV
What are the types of hepatitis that can be transmitted sexually?
- Hepatitis B
- Hepatitis C
- Hepatitis D
What is the primary cause of genital herpes?
Herpes simplex virus (HSV-2 or HSV-1)
True or False: There is a cure for genital herpes.
False
What is the most common viral STI associated with genital warts?
Human Papillomavirus (HPV)
What is the causative agent of molluscum contagiosum?
Molluscum contagiosum virus