Sexually Transmitted Infections - PowerPoint PPT Presentation

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Sexually Transmitted Infections

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Chapter 25 Sexually Transmitted Infections & HIV/AIDS – PowerPoint PPT presentation

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Title: Sexually Transmitted Infections


1
Chapter 25
  • Sexually Transmitted Infections HIV/AIDS

2
The Risk of STIs
  • Sexually transmitted disease (STD) or Sexually
    transmitted infections are infectious diseases
    spread from person to person through __________
    contact

3
STDs The Hidden Epidemic
  • ________________ occurrences of disease in
    which many people in the same place at the same
    time are affected
  • Many people are __________________ meaning they
    are without symptoms
  • Even though STDs are diagnosed they are not
    always reported

4
High Risk Behaviors
  • Being sexually active with more than 1 person
  • Engaging in unprotected sex
  • Selecting high-risk partners
  • Using alcohol and other drugs

5
Consequences of STDs
  • Some STDs are _____________ Some symptoms can
    be treated but the virus can still remain in the
    body
  • Some STDs cause ____________ hepatitis B virus
    can cause cancer of the liver. HPV can cause
    cancer of the cervix

6
Consequences of STDs
  • Some STDs can cause complications that affect the
    ability to reproduce females can develop
    _________ which can damage the reproductive
    organs
  • Some STDs can be passed from an infected female
    to her child before, during or after birth

7
Preventing an STD through abstinence
  • ___________________ the deliberate decision to
    avoid harmful behaviors, including sexual
    activity before marriage and the use of tobacco,
    alcohol, and other drugs

8
Common STIs
  • Lesson 2

9
Human Papillomavirus
  • ________________-__Or_________ is a virus that
    can cause genital warts or asymptomatic infection
  • A _______ test and other medical examinations may
    detect changes associated with HPV
  • Most cases appear to be temporary and are
    probably cleared by the immune system

10
Genital Warts
  • These are pink or reddish warts with cauliflower
    like tops that appear on the genitals, the
    vagina, or the cervix one to three months after
    infection from HPV
  • Diagnosis is determined by a _______ worker by
    examination of the warts

11
Genital Warts
  • Examination treatment is essential, because
    once you have acquired the virus you have it for
    _________

12
Chlamydia
  • Chlamydia is a bacterial infection that affects
    the reproductive organs of both males and females
  • It is ______________ often goes undetected
  • It is diagnosed by laboratory examinations of
    secretions
  • It can be treated with ____________

13
Genital Herpes
  • Genital Herpes is an STD caused by the herpes
    simplex virus. There are 2 types
  • Herpes Simplex ___ usually causes cold sores
  • Herpes Simplex _____ usually causes genital sores
  • ________ types can infect the mouth and the
    genitals

14
Genital Herpes
  • Genital Herpes is another one of the viruses that
    once you have contracted it, you have it for
    life!
  • The ____________ can spread even when no signs or
    symptoms are present
  • Medication can help prevent outbreaks and help
    control herpes but there is no cure

15
Gonorrhea
  • Gonorrhea is a bacterial STD that usually affects
    mucous membranes
  • ____ of all females show no symptoms of
    gonorrhea
  • It can be treated with __________
  • It is diagnosed by examining the discharge from
    males and females

16
Trichomoniasis
  • Trichomoniasis is an STD caused by a microscopic
    ________________ that results in infections of
    the vagina, urethra, and bladder
  • The disease could lead to ________ in women and
    inflammation of the vagina characterized by a
    discharge

17
Syphilis
  • Syphilis is an STD that attacks many parts of the
    body and is caused by a small bacterium called a
    ___________
  • The disease spreads throughout the blood stream
    and if left untreated will lead to damage of the
    liver and other organs

18
No Symptoms
  • The following STDs can be present without any
    symptoms (asymptomatic)
  • Chlamydia, ______________, Genital Herpes,
    Trichomoniasis, some _______ Viruses

19
HIV / AIDS
  • Lesson 3

20
AIDS / HIV
  • __________ Acquired Immune Deficiency Syndrome
  • __________ Human Immunodeficiency Virus

21
How HIV Attacks Cells
  • 1. HIV attaches to cell surface
  • 2. Virus core enters cell and goes to nucleus
  • 3. Virus makes a copy of its genetic material
  • 4. New virus assembles at cell surface
  • 5. New virus breaks away from host cell

22
HIV the human body
  • As the virus enters your body and takes over
    cells, it reproduces and looks to decrease the
    number of T cells. Therefore making the immune
    system more susceptible to disease
  • ________________ Infections are infections that
    occur in individuals who do not have healthy
    immune systems

23
How HIV is transmitted
  • HIV can only be transmitted 1 of ___ ways
  • Through Blood
  • ___________
  • Vaginal Secretion
  • ______________

24
How is HIV transmitted
  • HIV enters cells of the ___________ system, where
    it makes more viruses that break away and attack
    other cells

25
HIV Rumors
  • You ______ get HIV from the following
  • ________________
  • Toilet Seats
  • ________________
  • Hugging
  • ____________ Bites

26
Treatment for HIV AIDS
  • Lesson 4

27
Stages of HIV infection
  • Stage 1 ________________ stage a period of time
    during which a person infected with HIV has no
    symptoms
  • During this stage a person may show no signs for
    6 months to 10 years
  • However, the virus continues to grow the
    infected person can still transmit the virus

28
Stages of HIV infection
  • Stage 2 ________________ Stage the stage in
    which a person infected with HIV has symptoms as
    a result of a severe drop in immune cells
  • Such symptoms may include swollen glands, weight
    loss, and yeast infections

29
Stages of HIV infection
  • Final Stage __________, during the ladder stage
    of HIV infection, more serious symptoms appear
    until the infection meets the official definition
    of AIDS

30
Detecting HIV
  • There are basically _____ tests used in detecting
    HIV
  • _______________________ test is a test that
    screens for the presence of HIV antibodies in the
    blood

31
Detecting HIV
  • The _________ test can give inaccurate results 2
    reasons include
  • 1. Developing antibodies takes time perhaps the
    virus has not yet been completely developed in
    the body. Remember it could take many weeks
  • (3-4 weeks) to get an accurate reading

32
Detecting HIV
  • 2. Certain health conditions such as
    hemophilia, hepatitis, and pregnancy can cause
    false readings

33
Detecting HIV
  • If the EIA test is positive then they will
    perform it a second time just to be sure that
    the results are accurate.
  • If this is the case then they move onto another
    test called the _______________ Test

34
Detecting HIV
  • _____________________is the most common
    confirmation test for HIV in the United States
  • If this test comes back positive that means that
    all 3 tests have came back positive and then the
    person is determined to have HIV or HIV-Positive
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