Transcript Effects of alcohol, drugs and solvents on our senses

11.6 Effects of alcohol, drugs and solvents on our senses
11.6
Effects of alcohol,
drugs and solvents
on our senses
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11.6 Effects of alcohol, drugs and solvents on our senses
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Drugs
Solvents
Alcohol
affect the coordination (協調) between the
sense organs, the brain and the muscles
11.6 Effects of alcohol, drugs and solvents on our senses
Effects of alcohol on us
contain
alcohol
beer
wine
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of alcohol on us
What are the effects
of alcohol on us?
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of alcohol on us
• Slowing down our reaction
• Impairing judgement
• Impairing body coordination
• Impairing memory,
sight and hearing
• Slurred speech
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of alcohol on us
drinking alcohol
regularly
addiction (上癮)
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of alcohol on us
heavy drinking over a
long period of time
brain and liver
damages or
even death
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11.6 Effects of alcohol, drugs and solvents on our senses
11.9
Dangers of drink driving
Traffic accident
caused by
drink driving
(酒後駕駛)
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11.6 Effects of alcohol, drugs and solvents on our senses
11.9
1 What was the cause of the traffic
accident?
The truck driver had drunk alcohol
before he drove.
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11.6 Effects of alcohol, drugs and solvents on our senses
11.9
2 Why is drink driving dangerous?
Alcohol slows down drivers’
reaction time / impairs judgement /
impairs body coordination.
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of alcohol on us
alcohol
slows down
reaction impairs judgement of
speed and distance
No drink driving!
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11.6 Effects of alcohol, drugs and solvents on our senses
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11.6 Effects of alcohol, drugs and solvents on our senses
Breathalyzer
taking a breath test
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11.6 Effects of alcohol, drugs and solvents on our senses
Breathalyzer
for estimating the
concentration of
alcohol in the body
breathalyzer
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11.6 Effects of alcohol, drugs and solvents on our senses
Breathalyzer
> 22 mg of alcohol
per 100 cm3 of breath
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11.6 Effects of alcohol, drugs and solvents on our senses
11.17
Experiment
video
How a breathalyzer works
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to vacuum
pump
cotton wool
soaked with
95% alcohol
dilute
acidified
dichromate
solution
11.6 Effects of alcohol, drugs and solvents on our senses
11.17
2
air containing
alcohol
turn on for
2 min
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11.6 Effects of alcohol, drugs and solvents on our senses
11.17
2 What happens to the colour of the
acidified dichromate solution?
It changes from orange to green.
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11.6 Effects of alcohol, drugs and solvents on our senses
Breathalyzer
more alcohol in one’s breath
darker the green colour
the solution becomes
alcohol level in the body
can be determined
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
‘Drug’ can refer to a
substance that is
used as a medicine.
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
Drugs have different effects on our
senses and body functions.
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
If used in the wrong way, they can
harm us or even kill us.
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
For example: cough medicine
Small doses: relieve cough
symptoms
Large doses: addiction, respiratory
depression, light-headedness,
dizziness, etc.
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
‘Drug’ can also refer to
an illegal substance
that people use to get
‘pleasant’ or ‘exciting’
feelings.
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11.6 Effects of alcohol, drugs and solvents on our senses
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Effects of drugs on us
Examples of illegal drugs:
Heroin
Ketamine
(海洛英，俗稱白粉) (氯胺酮，俗稱K仔)
11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
Examples of illegal drugs:
Cannabis (大麻)
Ecstasy
(搖頭丸／忘我)
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
Examples of illegal drugs:
Methylamphetamine
(甲基安非他明，俗稱冰)
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
Drug abuse
(吸食毒品) will:
 harm the health or
even lead to death
 impair senses
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
Drug abuse
(吸食毒品) will:
 make one becomes
aggressive, anxious
or depressed
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
Drug abuse
(吸食毒品) will:
 lower the ability
to judge
 slow down the
reaction
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
Drug abuse
(吸食毒品) will:
 cause illusions
 make one loses
control of
movements
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
Drug addicts
sharing syringe
needles
may spread
AIDS
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
drugs are addictive
a larger and larger amount
of the drugs is needed
life becomes dependent
on the drugs
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
There is NO reason or
excuse for drug abuse!
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
What would you do if someone
persuades you to abuse drugs?
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
1 To say NO directly and firmly
These drugs are
addictive. No, thanks!
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
2 To say NO using an excuse
Sorry. I’m not feeling
well. I’ve got to go now.
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of drugs on us
3 To say NO with a counter proposal
Why drugs? I have another
idea. Let’s play badminton.
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of solvents on us
Some household products contain
solvents:
thinner
paint
correction pen
glue
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of solvents on us
Some household products contain
sniffing the vapour
solvents:
can irritate:
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of solvents on us
Some household products contain
sniffing the vapour
solvents:
can irritate:
eyes
respiratory system
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of solvents on us
Sniffing solvents
may lead to:
 increased heartbeat
rate which causes
heart diseases
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of solvents on us
Sniffing solvents
may lead to:
 loss of judgement
and muscle control
 damage to the lungs
and the brain
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of solvents on us
Sniffing solvents
may lead to:
 death
Say ‘NO’ to sniffing solvents!
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11.6 Effects of alcohol, drugs and solvents on our senses
Effects of alcohol, drugs and
solvents on our senses
Drinking alcohol, drug abuse
and sniffing solvents greatly
impair our senses.
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11.6 Effects of alcohol, drugs and solvents on our senses
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Effects of alcohol, drugs and
solvents on our senses
They cause serious harm to our
body and may even lead to death.
11.6 Effects of alcohol, drugs and solvents on our senses
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1 Drinking alcohol, drug ___________
abuse
and sniffing ___________
impair the
solvents
coordination between the sense
____________
organs, the brain and the muscles.
They can endanger our lives.
11.6 Effects of alcohol, drugs and solvents on our senses
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2 The device used to measure the
amount of alcohol in one’s breath is
breathalyzer
called the ____________.
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