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Midterm
Sex,Germs, and Diseases
153
Biology
Undergraduate 2
03/14/2013

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Cards

Term
The term 'venereal disease' was derived from...?
Definition
Venus, the Roman goddess of love.
Term
More than half of sexually active adults acquire one or more STDs at some point in their lives.

True or False?
Definition
True.
Term
The first descriptions of syphilis were recorded during the era of ...?
Definition
Columbus.
Term
Despite being constantly bombarded with sexual messages and imagery, people today...?
Definition
Are generally misinformed about their risk of acquiring an STD
Do not have accurate information about STDs
Are too scared or embarrassed to ask for information about STDs
Term
Some STDs are no more than a minor nuisance, others can cause significant pain and can become chronic and last a lifetime.

True or False?
Definition
True.
Term
There are no lethal STDs.

True or False?
Definition
False.
Term
There is no association between STDs and cancer.

True or False?
Definition
False.
Term
Some STDs may result in infertility.

True or False?
Definition
True.
Term
A person with an STD will almost always have symptoms of some kind.

True or False?
Definition
False.
Term
Which of these statements is true?

a. Oral sex is safe. You can't get an infection through oral sex.
b. Douching after sex will help protect you from getting an STD.
c. If you have a Herpes infection, you can transmit it to a partner even if you have no symptoms at the time.
d. Condoms prevent transmission of all STDs.
Definition
If you have a Herpes infection, you can transmit it to a partner even if you have no symptoms at the time.
Term
The lymph nodes that most often swell first with a genital infection are located...?
Definition
In the groin (inguinal) area.
Term
The tip, or “head”, of the penis is correctly called the ____________.
Definition
Glans.
Term
Pearly penile papules are early signs of an STD on the penis.

True or False?
Definition
False.
Term
Smegma, a substance produced by the mucous membranes of the foreskin in males, is also produced by the clitoral hood (prepuce).

True or False?
Definition
True.
Term
The correct term for all of the female external genital anatomy is _________.
Definition
Vulva.
Term
Moving from an individual’s front to back, the correct order of female structures is ...?
Definition
Clitoris, opening of the urethra, opening of the vagina, anus.
Term
Following ovulation, the egg (ovum) travels from the ovary, through the cervix, and into the uterus.

True or False?
Definition
False.
Term
Failure of an ovum to be drawn into the fallopian tube can result in an ectopic pregnancy.

True or False?
Definition
True.
Term
Males and females have basically the same sexual response cycles.

True or False?
Definition
True.
Term
Glandular activity during sexual arousal in both males and females has no effect on vulnerability to STD infection.

True or False?
Definition
False.
Term
A vaginal discharge accompanied by odor, itching, or pain in the genital area may be the only sign of a vaginal or cervical infection.

True or False?
Definition
True.
Term
Bacterial vaginosis...
Definition
Can occur without any sexual activity AND may lead to mucopurulent cervicitis or pelvic inflammatory disease.
Term
About one-third of all people have allergic reactions to spermicides and other lubricants.

True or False?
Definition
True.
Term
Which of the following STDs usually produce painless “sores”?

a. chancroid
b. syphilis
c. genital herpes
d. chancroid AND syphilis
Definition
Syphilis.
Term
The “chancre” appears at the site of a primary syphilis infection.

True or False?
Definition
True.
Term
A thick, white, and clumpy vaginal discharge, along with vulvovaginal irritation, are characteristic signs of a _____________ infection.
Definition
Yeast (Candida albicans)
Term
A nongonococcal urethral infection (NGU) in males...?
Definition
Can be caused by a number of different pathogens AND may lead to prostatitis.
Term
On average, a woman will have 3 bacterial urinary tract infections in her lifetime.

True or False?
Definition
False.
Term
Genital warts...
Definition
May be too small to see.
Term
Pearly penile papules are a type of genital wart.

True or False?
Definition
False.
Term
One survey, conducted among college women, showed that fewer than ___ used any method to protect against STD infection.
Definition
Half.
Term
A person can become infected with an STD organism after just one sexual encounter.

True or False?
Definition
True.
Term
People who are in love don’t need to use condoms.

True or False?
Definition
False.
Term
Pre-ejaculate can still transmit infection.

True or False?
Definition
True.
Term
Which are chronic diseases that create ‘special’ topics for discussion with a new partner?
Definition
a. hepatitis B or C
b. herpes
c. human papilloma virus
d. all the above
Term
Abstinence (not having sexual contact) is the only 100% effective means of avoiding pregnancy or STDs.

True or False?
Definition
True.
Term
If used correctly, hormonal contraceptives like the pill, the patch, and the vaginal ring are effective in preventing many STDs.

True or False?
Definition
False.
Term
Diaphragms and cervical caps are barrier contraceptives that are inserted into the vagina and left there until removed by a healthcare provider.

True or False?
Definition
False.
Term
Which of the following does the textbook consider absolutely unsafe sex?

a. Hand contact with your partner’s genital or anal area without a glove
b. Oral-anal contact with a barrier
c. Receiving oral sex without a condom or barrier
d. Wet (French) kissing
Definition
Receiving oral sex without a condom or barrier
Term
Douching before/after unprotected sex may increase the risk of STD infection.

True or False?
Definition
True.
Term
Approximately ____ million new STD infections occur each year.
Definition
19.
Term
The national gonorrhea rate is at the highest level ever recorded.

True or False?
Definition
False.
Term
In 2010, Chlamydia STD infection rates reached the highest number of cases ever reported to CDC for any condition.

True or False?
Definition
True.
Term
In 2010, the median state-specific Chlamydia test positivity rate among 15-24 year old women was...?
Definition
~7.5%
Term
Recent increases in reported Chlamydia rates are likely due to increased screening.

True or False?
Definition
True.
Term
Which racial/ethnic group, in 2010, had the greatest gonorrhea infection rates?
Definition
Black.
Term
Which U.S. geographic region had the highest gonorrhea rate in 2010?
Definition
The South.
Term
The U.S. rate of reported primary & secondary syphilis declined in 2010 from the previous year.

True or False?
Definition
True.
Term
Sentinel surveillance for cervical HPV infection, using DNA tests for high-risk types, indicated a prevalence of approximately ___ among U.S. women.
Definition
25%
Term
Repeated seroprevalence (percentage of people with antibodies) studies of HSV-2 in the U.S. indicate that Herpes prevalence has been declining.

True or False?
Definition
True.
Term
Some bacteria are normal inhabitants of human skin and mucous membranes.

True or False?
Definition
True.
Term
Which of the following is not a syndrome caused by a number of different bacteria?

a. bacterial vaginosis
b. mucopurulent cervicitis
c. chancroid
d. nongonococcal urethritis
Definition
Chancroid.
Term
Bacterial vaginosis is only considered an STD in female-female couples.

True or False?
Definition
True.
Term
In chlamydia infections...?

a. the bacteria can attach to sperm and penetrate deep into the female reproductive tract.
b. the bacteria multiply inside infected cells.
c. the bacteria are resistant to penicillin, but can be treated with other antibiotics.
d. all of the above
Definition
All of the above.
Term
Donovanosis...?
Definition
Produces painless genital granulomas in 90% of those infected.
Term
Lymphogranuloma venereum (LGV)...?
Definition
Is caused by a chlamydia bacterium.
Term
Gonorrhea...?
Definition
Usually infects the lining of the both the vagina and urethra in females.
Term
Pelvic inflammatory disease (PID)...?

is caused by an STD about 85% of the time.
b. may result when bacteria infect tissues above the cervix.
c. has a greater risk of occurring in women who douche.
d. increases the risk of infertility by about 20% with each episode.
e. all of the above
Definition
All of the above.
Term
Syphilis can be transmitted by kissing.

True or False?
Definition
True.
Term
Many STDs (in both males and females) increase the risk of transmitting HIV.

True or False?
Definition
True.
Term
Yeast infections in women can occur due to taking antibiotics for another infection.

True or False?
Definition
True.
Term
It is estimated that ___ percent of women will develop a symptomatic yeast infection at some point in their lives.
Definition
75%
Term
Douching disrupts the normal environment of the vagina and may make a woman more likely to get a yeast infection.

True or False?
Definition
True.
Term
All over the counter anti-fungal medications work equally as well and are 100% effective at eliminating a yeast infection.

True or False?
Definition
False.
Term
Trichomonas vaginalis...?

a. is a sexually transmitted protozoan.
b. is probably the most common sexually transmitted organism worldwide.
c. usually causes an asymptomatic infection in males.
d. rarely, if ever, causes oral or anal infection.
e. All of the above
Definition
All of the above.
Term
Women infected with Trichomonas experience symptoms about ___ percent of the time.
Definition
95.
Term
Pubic lice do not always cause itching.

True or False?
Definition
True.
Term
Pubic lice and head lice are different species, but are treated with the same medications.

True or False?
Definition
True.
Term
The mites that cause scabies...?
Definition
Burrow into the skin and lay eggs.
Term
Most people who have scabies develop a rash on their hands and wrists.

True or False?
Definition
True.
Term
What causes a yeast infection?
Definition
Fungus, Candida albicans.
Term
What causes Trichomoniasis?
Definition
Protozoan, Trichomonas vaginalis.
Term
What is the most common STD worldwide?
Definition
Trichomoniasis.
Term
What are women's symptoms of trichomoniasis?
Definition
Itching, yellow-green, foul smelling discharge.
Term
What is the treatment for Trichomoniasis?
Definition
Anti-protozoal- pill form only.
Term
What is the cause of pubic lice?
Definition
Arthropod; phthirus pubis.
Term
What is the cause of scabies?
Definition
Arthropod; sarcopetes scabei.
Term
What are men's symptoms of trichomoniasis?
Definition
Largely asymptomatic.
Term
What is the most common vaginal disorder?
Definition
Bacterial vaginosis.
Term
What is the cause of bacterial vaginosis.
Definition
Overgrowth of gardeneralla, Bacteroides, or mycoplasma over lactobacillis.
Term
What is the natural flora of the vagina?
Definition
Lactobacillis.
Term
What percentage of women experience symptoms in bacterial vaginosis?
Definition
50%.
Term
What is the scientific name for Chancroid?
Definition
Hemophilis ducreyi.
Term
What is Hemophilis ducreyi?
Definition
Chancroid.
Term
What is the treatment in Chancroid.
Definition
Treatable, but resolves in 1-3 months. Antibiotic resistance increasing.
Term
What is scientific name for Chlamydia?
Definition
C. trachomatis.
Term
What is C. trachomatis?
Definition
Chlamydia.
Term
What is the percentage of asymptomatic people with Chlamydia, male and female?
Definition
50% men; 75% women.
Term
Symptoms of chlamydia in women are?
Definition
Discharge, burning, pelvic pain.
Term
Symptoms of chlamydia in men are?
Definition
Discharge, painful urination, swollen testes.
Term
What can the effects of chlamydia be?
Definition
Reiter's syndrome; PID; infertitility.
Term
What is the other name for Donovanoisis?
Definition
Granuloma inguinale
Term
What is the other name of Granuloma inguinale?
Definition
Donovanosis
Term
What is the scientific name of Donovanosis?
Definition
Klebsiella (calymmatobacterium) granulomatis.
Term
What are the characteristics of donovanosis?
Definition
Very rare in US and poorly infectious.
Term
When do symptoms occur in donovanosis?
Definition
8-80 days.
Term
What is the treatment for Donovanosis?
Definition
Treatable with antibiotics, but requires sustained dose.
Term
What are the most common bacteria that cause epididymitis and prostatitis?
Definition
N. gonorrheae or C.trachomatis.
Term
Other than STDs what else can cause epididymitis and prostatis?
Definition
Injury, catheterization, or "stones"
Term
What are the symptoms of epidymitis and prostatis?
Definition
red swollen scrotum, pain in the perineum, difficult urination.
Term
What is the scientific name for Gonorrhea?
Definition
Neisseria gonorrhoeae
Term
Where do the gonorrhea bacteria reside?
Definition
On the mucous membranes; primarily urethra in male and cervix and urethra in female.
Term
What is the incubation time of gonorrhea?
Definition
2-5 days.
Term
Bacteria form for Chancroid.
Definition
Gram neg rods, produce toxin.
Term
Bacteria form for chlamydia.
Definition
Gram neg cocci, intracellular.
Term
Bacteria form for donovanosis
Definition
Gram neg rod w/bipolar staining.
Term
Bacteria form for gonorrhea
Definition
Gram neg diplococci; very labile.
Term
What percentage of males are symptomatic for gonorrhea?
Definition
95%.
Term
What percentage of women are symptomatic for gonorrhea?
Definition
60-80%
Term
What percentage of women develop PID due to gonorrhea?
Definition
10-20%
Term
How is gonorrhea treated?
Definition
Treated with antibiotic, resistant strains becoming a problem.
Term
What causes Lymphogranuloma venereum (LGV)?
Definition
C. trachomatis.
Term
How common is Lymphogranuloma venereum?
Definition
Very rare.
Term
What are the 3 stages of lyphogranuloma venereum?
Definition
1. small painless bumps 2. lymph node swlling 3. permanent scarring, elephantiasis.
Term
What is mucopurulent cervicitis?
Definition
Infection of the inner cervix.
Term
What causes mucopurulent cervicitis?
Definition
Chlamydia, gonorrhea, trichomonas, other bacteria.
Term
How are the symptoms in mucopurulent cervicitis?
Definition
Often no symptoms, but possible discahrge blood leaking.
Term
What does nongonoccal urethritis (NGU) essentially stand for?
Definition
Urethral infection in males - not gonorrhea.
Term
What are some of the causes of nongonoccoal urethritis (NGU)?
Definition
Chlamydia, mycoplasma, trichomonas, HSV. Or fecal/oral bacteria.
Term
What is the symptoms in nongonoccal urethritis (NGU)?
Definition
Clear-white non pus disccharge.
Term
What can happen to nongonoccal urethritis (NGU)?
Definition
Can progress to epididymitis or prostatis.
Term
What is used to treat nongonoccal urethritis (NGU)?
Definition
Antibiotics (if bacterial) and it works 95% of the time.
Term
What essentially is pelvic inflammatory disease (PID)?
Definition
Bacteria infection of the tissues beyond the cervix.
Term
What are some causes of pelvic inflammatory disease (PID)?
Definition
Gonorrhea, chlamydia, vaginal bacteria.
Term
How common is PID?
Definition
1 million per year in US.
Term
What percentage of PID cases are due to an STD?
Definition
85%
Term
What are some of the risks of PID?
Definition
20# risk of infertility + chronic pain, each episode increases risk.
Term
What are symptoms of PID?
Definition
Pain, bleeding, discarge.
Term
What bacteria causes proctocolitis?
Definition
Shigella, salmonella, campylobacter, E. histolytica.
Term
What bacteria causes proctitis?
Definition
Gonorrhea, chlamydia, herpes, syphilis.
Term
What bacteria causes enteritis?
Definition
Giardia, hepatisis A
Term
When can proctocolitis, proctitis, and enteritis considered STDS?
Definition
If introducted via anal sex
Term
What is the scientific name for syphilis?
Definition
Treponema pallidum.
Term
What is the bacteria form for syphilis?
Definition
Gram neg. spirochete.
Term
What stage of syphilis is it no longer infectious?
Definition
Tertiary.
Term
What percent of new infections per year in the 15-24 years old category?
Definition
50%
Term
How many million have incurable diseases?
Definition
65 million
Term
What percentage of those with incurable diseases are teenagers?
Definition
25%
Term
What are notifiable diseases?
Definition
chlamydia, gonorrhea, syphilia.
Term
What is the most freequently reported infection disease in the US?
Definition
Chlamydia.
Term
What is the incidence of chlamydia?
Definition
2.8 million/year; 1.3 million/ year reported.
Term
What are the reported rates of women and minority groups compared in Chlaymydia?
Definition
2.5x higher in women and 8x higher in blacks.
Term
What is the second most reported infectious disease in the US?
Definition
Gonorrhea.
Term
How are the rates of women and minority groups compared in gonorrhea?
Definition
slightly higher in females. 18.7x higher in blacks.
Term
Where are the gonorrhea rates the highest?
Definition
The south.
Term
When was Syphilis' all time low?
Definition
2000
Term
Where is the incidence of Syphilis rising?
Definition
MSM, 15-24 blacks, rural areas.
Term
What is the overall prevalence of HPV?
Definition
23%
Term
What is the genital warts prevalence in womena nd MSM?
Definition
2% women; 6% MSM
Term
What is the annual incidence of HPV?
Definition
5.5 million.
Term
What is the estimated percentage of sexually active adults that are infected with HPV over their lifetime?
Definition
75%
Term
What is the prevalence of Herpes-2?
Definition
19% (ages 14-49)
Term
What is the incidence of herpes?
Definition
1 million/year
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