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56 Cards in this Set
- Front
- Back
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How can you test for HIV?
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1. Blood test to detect HIV antibodies
2. Antibodies take from 3-6 months to appear |
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How to prevent HIV?
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1. Sexual Abstinense- avoiding sexual contact
2. Never share needles 3. Avoid alcohol and drugs that impair your ability to make responsible decisions |
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What are the treatments for HIV?
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1. No cure for AIDS
2. Combinations of drugs to boost the immune system- popular drug is AZT |
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What are the symptoms of AIDS?
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Extreme weakness/fatigue
Rapid weigh loss Fevers that last several weeks Night sweats Chronic diarrhea Swollen lymoh glands trouble remembering |
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How does the immune system get attack by HIV?
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gets inside the T calls and reproduces rapidly, B cells produce antibodies but cant attack the virus once it is in the T cell, Multiplies, t cell explodes, which will release more viruses in bloodstream, no tcells left to fight, person dies
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What is in a normal immune system?
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White blood cells
T cells B cells antibodies |
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T cells
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locate virus (messengers)
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B cells
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Make antibodies
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Antibodies
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fight infection and remain to prevent re-infection
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How can you not get HIV?
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Casual Contact
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What are the transmissions of HIV?
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Sexual contact
sharing needles Mother to Child |
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Sexual Contact
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exchanging blood, semen, vaginal fluids
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sharing needles
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injecting drugs, tattooing, ear piercing with conatminated needles
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Mother to child
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Before birth, during the birth process or from breast feeding
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What does HIV stand for?
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Human
Immunodeficiency Virus |
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What does AIDS stand for?
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Acquired
Immune Deficiency Syndrome |
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Acquired
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passed from one person to another
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Immune
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defense system
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deficiency
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not working
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syndrome
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presence of disease
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HIV/AIDS
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A disease caused by a virus that destroys a person's immune system
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What does each sperm carry?
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An enzyme bomb (acrosome)
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How many sperms can break through the egg for fertilization?
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Only one
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How many chromosomes does a sperm carry?
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23 in the head
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What is the average life span of a sperm in a female?
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3 to 5 days
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How many sperms are there in each ejaculation?
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about 200-400 million
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How is a sperm shaped?
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head, neck, and tail
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What does the head of the sperm hold?
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genetic info.
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What does the neck and tail of a sperm provide?
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Movement
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Ejaculation
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the discharge of semen through the urethra at the peek of sexual excitement
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Semen
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fluids from the three glands mix with sperm to make semen
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Movement of sperm
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start to move from the epididymis past glands to the urethra
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Erection
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spongy tissue of penis fills with blood causing it to become firm and erect
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Reproduction process
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the transfer of sperm to the female reproductive system
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Penis
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external organ made up of spongy, erectile tissue
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What is the main part of a penis?
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Shaft
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What is the top part of a penis?
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glands or head
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Scrotum
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loose pouch of skin that holds and protects the testes
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What does the scrotum regulate?
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The temp of the sperm
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What is the temp of a scrotum?
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92-93 degrees (six degrees lower than body temp)
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What are the testes?
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The male sex glands
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How are testes shaped?
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oval, about 2in long
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What do testes produce?
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sperm and testosterone
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how long does testes produce?
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lifetime
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How many of sperms are produced a day?
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hundreds of millons
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Epididymis
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ling, coiled tube on top of/ behind each testicle
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What is the the storage place for a sperm?
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Epididymis
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How long does it take for the sperm to travel the length of the epididymis?
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4-6 weeks
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What does the passageway of the epididymis lead up too?
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Vas deferens
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What happens if a sperm is not ejaculated?
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it reabsorbed in about 4 weeks
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Vas deferens
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muscular tube that transfers sperm from the epididymis to the seminal vesicles and the urethra
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What are the glands that produce the fluid semen?
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Seminal, Prostate, and Cowpers gland
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Seminal Vesicles
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secrete a fluid that nourishes the sperm and lubricates the urethra
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Prostate Gland
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secretes a protective fluid that stimulates sperm movement
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Cowpers Gland
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Secretes fluid that lubricates the urethra for passage of sperm
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Urethra
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tube in which sperm and urin exit the body
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