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Paper 2
Topic5:Homeostasis and Response
Contraception
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Cards (20)
What is the primary purpose of contraception?
To prevent
fertilization
.
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What are the different methods of contraception mentioned?
Hormonal contraceptives
(e.g., pill, implant, patch,
injection
)
Barrier methods
(e.g., condom, diaphragm)
Intrauterine device (
IUD
)
Surgical sterilization
Natural methods (
abstinence
)
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How do hormonal contraceptives work?
They prevent the production of
FSH
, stopping egg
maturation
.
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What is a common advantage of the contraceptive pill?
It is highly
effective
if taken correctly.
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What is a disadvantage of the contraceptive pill?
It must be taken
daily
, and forgetting increases
pregnancy
risk.
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What are some potential side effects of the contraceptive pill?
Increased risk of
breast cancer
and
blood clots
.
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What are the advantages of hormonal forms of contraception like implants and injections?
More convenient than daily pills
Implant lasts for three years
Injection lasts around
thirteen weeks
Patch lasts around
one week
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What is a disadvantage of hormonal forms of contraception?
They can also have
side effects
.
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What do barrier methods of contraception do?
They prevent
sperm
from reaching an
egg
.
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What is an advantage of barrier methods?
They do not have
hormonal
side effects.
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How can condoms reduce the risk of STIs?
They act as a
barrier
to reduce STI transmission.
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What is a disadvantage of using condoms?
They can
break
or slip off.
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What is the function of spermicide in conjunction with barrier methods?
Kills
or
disables
sperm
Increases
effectiveness
of barrier methods
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What is an IUD and its effectiveness?
An IUD is a device that can prevent pregnancy for up to
10 years
.
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What is a disadvantage of IUDs?
They do not protect against
sexually transmitted infections
.
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What is surgical sterilization?
Surgical sterilization prevents
eggs
from reaching the
uterus
or
sperm
from leaving the
penis
.
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What is a key consideration before undergoing surgical sterilization?
It is difficult to reverse, requiring certainty about not wanting
children
.
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What is a natural form of contraception?
Abstaining from sexual intercourse after
ovulation
.
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What is a challenge associated with natural forms of contraception?
It is difficult to tell when
ovulation
occurs.
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Why can't issues around contraception be answered by science alone?
Strong
personal
and ethical opinions exist
Different beliefs about contraception methods
Importance of individual choice
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