Post on 01-Jun-2018
8/9/2019 C1 Mod 2 – Introduction to Psychoactive Substance Use.ppt
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MODULE 2—INTRODUCTION TO
PSYCHOACTIVE SUBSTANCE USE
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Curriculum 1
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2.2
Module 2 Learning Objectives
Define psychoactive substance
List general ways in which psychoactive
substances affect mood, thoughts, and behavior
List the four main categories (classes) of
psychoactive substances and several substances
within each
List the methods of administering psychoactivesubstances
Discuss the levels of progression of substance
use
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2.3
Psychoactive Substances
Affect the bodys central nervous system
!hange how people behave or perceive what
is happening around them
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2."
Central Nervous System
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2.#
Blood – Brain Barrier
Large, water-solublemolecules are
blocked
Small, fat-solublemolecules can enter
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2.$
Pharmacology
%tudies the effects of medications and other
substances on the body and the brain
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2.&
HalfLife
'he amount of time it taes to eliminate half of
the original dose of a substance from the body
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2.
Other !actors
A persons age, the length of time a person
has regularly used a substance, and the
amount of a substance regularly used affect
how the body* Absorbs psychoactive substances
+etabolies them
-liminates them
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2.
Psychoactive Substances
/sychoactive substances alter* +ood
'houghts
%ensory perceptions 0ehavior
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2.1
"#ects of PsychoactiveSubstances
!an be positive or negative
Depend to a large etent on the type of
substance used
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2.11
$rug Classes% "&am'les
Stimulants O'ioids(narcotics)
$e'ressants Hallucinogens
Cocaine Heroin Alcohol LSD
Amphetamine Morphine BarbituratesMescaline
Peyote
Methamphetamine Opium Benodiaepines !cstasy
Nicotine,
Caffeine Demerol
*"mm"+Hy$r,y(u&yr"&
' -*HB./Rhy0#l
Mushrooms
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2.12
Legal Substances
4ust because a substance is legal does not
mean it is safer than an illegal substance
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2.13
Other
%ome drugs do not fit neatly into a category* !annabinoids (mari5uana, hashish)
6hat7+iraa
Dissociative anesthetics (phencyclidine 8/!/9,etamine)
:nhalants solvents, gases, nitrites
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2.1"
*outes of +dministration
%wallowing
%norting
%moing
:nhaling fumes
:ntramuscular (:+) in5ection
%ubcutaneous (%!) in5ection
:ntravenous (:;) in5ection
'opical
%ublingual
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2.1#
*outes of +dministration
'he faster the drug hits the brain, the greater
and more reinforcing its effect
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2.1$
S'eed of +ction
%moing* & – 1 seconds
:ntravenous in5ecting* 1# – 3 seconds
:n5ecting into the muscle or under the sin* 3 – #
minutes
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2.1&
S'eed of +ction
+ucous membrane absorption (snorting,
rectal)* 3 – # minutes
%wallowing* 2 – 3 minutes
Absorbed through sin* %lowly over a long
period
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2.1
Small,rou' "&ercise% *outesof +dministration
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2.1
Break1# minutes
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2.2
Progression of -se
-perimental7recreational use
!ircumstantial7=ccasional use
:ntensified7regular use
!ompulsive7addictive use
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2.21
Learning +ssessment
>rite one ?ui ?uestion about todays material
on a piece of paper
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2.22
.ournal
>hat did you learn today that you did not
already now@
ow might you apply what you learned to your
5ob@ >hat ?uestions do you still have@