FINAL EXAM Flashcards
(129 cards)
How many STD’s are there?
There are more than 20 types of STD’s
STD facts
- 20 million new STD/STI infections in the US each year
- 1 in 2 sexually active Americans get an STD by age 25
- US has the highest incidence of curable STD’s in the world
What is candidiasis?
Yeast infection caused by candida albicans fungus; women have vulva irritation, inflammation, itching and discharge; men are symptom-free
What is trichomoniasis?
Caused by trichimonas vaginalis protozoan
What is bacterial vaginosis?
Caused by a bacteria overgrowth in combination with other microorganisms
What is urethritis?
Infection of the urethra
What is a bacterial STD?
- single celled microorganisms that release toxins causing infections
- can be treated by antibodies
What is gonorrhea?
- caused by neisseria gonorrheoeae bacterium
- leading to abnormal and sometimes painful discharge
- Males are 20-25% symptomatic
- Females are 75-80% symptomatic
What is chlamydia?
- most common STD
- caused by chlamydia trachomatis bacterium leading to abnormal discharge
- can damage reproductive organs
What is syphilis?
- Caused by treponema pallidum bacterium
- develops through three stages and can affect any tissue or organ of the body
What month is STD awareness month?
April
What are the stages of syphilis?
First stage:
- A syphilitic chancre as it appears on the labia, penis, mouth
Second stage:
- Skin rash all over body
Third stage:
- Disease goes into remission, but if left untreated, can be fatal
What happens if bacteria goes untreated?
- Will travel to rest of the reproductive system and other organ systems
- cervicitis, endometritis, salpingitis, nongonococcal urethritis, and PID’s can exist
- STI’s can be transmitted by an infected pregnant woman during pregnancy, labor, delivery or after through breast feeding.
What is cervicitis?
Inflammation of the cervix
What is endometritis?
Inflammation of the lining of the uterus
What is salpingitis?
Inflammation of the fallopian tubes
What is nongonococcal urethritis?
Inflammation of the urethra
What is PID (Pelvic inflammatory disease)?
- inflammation of any of the organs in the pelvic region
- 750,000 cases in US each year
What are parasitic or protozoan STD’s?
- Organisms that live on the host
- Pubic lice or crab, scabies, trichomoniasis
What are pubic lice?
- Infestation of the crab louse
- very small dark or tan colored flat insects with legs that grasp pubic hair and gorge on human blood
- lay eggs or “nits” which glue onto hair and hatch in a week
What are scabies?
- contagious skin infestation caused by a mite that burrows in the skin
What are trichomoniasis?
- STI caused by a single protozoan parasite
What are viral STD’s?
- Dangerous and hard to treat
- Microorganisms that are incurable
- Viral genes take over the cell’s matabolic machinery to replicate themselves
- Herpes, genital warts, viral hepatits, HIV/AIDS
What are herpes?
- Can be transmitted by skin to skin contact
- Oral herpes, cold sores, fever blisters
- Genital herpes – painful blisters, ulcers, open sores