The Brain/Nervous System
True or false:
Damaged myelin sheath = messages sent faster
What are 4 ways drugs can enter the body?
Oral, injection, inhalation, topical
Drugs that temporarily increase a person's energy/alertness; Drugs that cause relaxation & sleepiness
Stimulants; depressant
True or false:
Marijuana is medically valuable
True
What is alcohol?
A colorless flammable liquid that is the intoxicating agent in fermented & distilled liquors
What are the four main parts of a neuron?
Axon, dendrite, cell body, myelin sheath
What's the difference between drug misuse and drug abuse?
Misuse - Using a drug for purposes OTHER than what it was made for
Abuse - The intentional improper or unsafe use of a drug
Drugs that distort perceptions & cause people to see/hear things that aren’t true; Highly addictive drugs used as pain relievers, sedatives, & anesthetics
Hallucinogens; opiates
What therapeutic benefits of marijuana are recognized?
- Pain relief
- Short term anxiety relief
- Sleep
List drinks with alcohol.
-Beer
-Liquor
-Wine
What are the four lobes of the brain?
Frontal, parietal, occipital, temporal
What's the difference between prescribed drugs and over the counter drugs?
Prescribed - Written prescription from doctor; specific medicines
Over the counter - Bought without permission; used to treat minor medical problems
True or false:
Illegal stimulants include bath salts, molly, ecstasy, and nicotine
False; nicotine is legal
How does marijuana affect signal transmissions?
It slows them down
Why is alcohol considered a drug?
Because it causes change in a person’s physical/emotional state
What are the roles of serotonin and dopamine?
Serotonin - plays a role in sleep & depression; appetite, arousal, & mood
Dopamine - Behavior, emotion, cognition; also associated with pleasure & reward
During SYNAPSE messages & _________ are exchanged
Chemicals
Describe rohypnol.
A powerful Hypnotic Pill; most frequent date rape drug; bitter taste goes unnoticed in alcohol
True or false:
Unlike many other drugs, there is NO risk of fatal overdose from marijuana
True
The only thing that can help you _____ ___ is ____!!
sober up; time
Describe the central and peripheral nervous systems.
Central - Brain, Spinal Cord, Integrates information, learning, memory, coordination
Peripheral - Nerves that connect the brain & spinal cord to other parts of the body
Name and describe the four stages of addiction.
Use - You make the decision to use the drug
Tolerance - Your body creates a tolerance to the drug (Your body needs more of the drug to get the same affect)
Dependence - Your body depends on the drug to get you through the day
Addiction - You are addicted, you can’t go without the drug, it is affecting your everyday life
How do drugs affects your brain, heart & blood, and your lungs?
Brain - Death of brain cells, brain damage, blackouts
Heart & blood - Irregular heartbeat, heart attack, decreased ability to carry oxygen
Lungs - Irritation & suffocation
What are downfalls of marijuana?
You can’t drink and drive; You’re still inhaling smoke into your lungs which is not the healthiest choice
What risk factor of drinking is controllable?
Age when you start