Chapter 9, Section 1

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Lifetime Health
Chapter 9, Section 1
Drugs
Key Terms
 Drug: any substance that causes a change in a person’s
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physical or psychological state.
Medicine: any drug used to cure, prevent, or treat illness or
discomfort.
Side Effect: any effect that is caused by a drug and that is
different from the drug’s intended effect.
Prescription: a written order from a doctor for a specific
medicine.
Over-the-Counter (OTC) Medicine: any medicine that can
be bought without a prescription.
What are Drugs?
 Substances to change a
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person’s physical or
psychological state.
Specific effects
Multiple effects
Broad target
Narrow treatment
Some Drugs are Medicines
 Used to…
 Cure
 Prevent
 Treat Illness
 Treat discomfort
Medicinal Qualities
 Effectiveness
 Carries out its task.
 Safety
 When used as directed.
 Minor Side Effects
 Headache
 Sleepiness
 Diarrhea
Drugs of Abuse
 No Medical Purpose
 Change of moods
 Feelings
 Not Healthy
 Damage to brain
Where Do Drugs Come From?
 Plants
 Animals
 Fungi
 Common Thread
 Chemicals
Types of Medicine
 Analgesic
 Pain relief
 Antihistamine
 Allergies
 Antacid
 Heartburn
 Antibiotic
 Kills bacteria
 Bronchodilator
 Asthma
Types of Medicine
 Steroid Anti-Inflammatory
 Inflammation/Itch
 Hormone
 Diabetes
 Stimulant
 ADHD
 Anti-anxiety
 Panic Attacks
Types of Medicine
 Vaccine
 Prevents Infections
 Sedative
 Sleepiness
Types of Medicine
 Prescription
 Written order
 More dangerous
 Greater side-effects
 OTC
 Safer
 Less side-effects
How Drugs Enter Your Body
 Home Use
 Orally
 Liquids
 Tablets
How Drugs Enter Your Body
 Implanted Pumps
 Inhalation
 Injection
 Transdermal Patch
 Ingestion
 Topical Application
Homework
 Read Pages 222 – 229
 Page 229 Section 2 - Answer Questions 1 – 9
 Page 236 Section 2 Review - Answer Questions 10, 11, & 13
 Be sure that you write out the questions!
 Make sure your name is on the paper!
 Make sure you label the assignment at the top of the page!

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