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239 - Midterm 2 > Substance use/abuse > Flashcards

Substance use/abuse Flashcards

1
Q

how costly is substance use/abuse to economy?

A

~20 billion a year

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2
Q

substance-related disorders : alter patterns of?

A

thinking, feeling and behaving

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3
Q

DSM-5, what counts as substance-related and addictive disorders?

A

use of depressants, stimulants, opiates, hallucinogens and gambling

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4
Q

further categorization of specific diagnoses

A
  • dependence
  • abuse
  • intoxication
  • withdrawal
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5
Q

define substances in abuse

A

drugs that, when taken in excess, have some direct activation of brain-rewards system
- powerful reinforcers + impact/interfere with memory

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6
Q

what are issues with abuse?

A

produce intense activation of reward system, that normal activities of daily life are neglected.

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7
Q

how many classes of drugs involved in substance-related disorders?

A

10

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8
Q

what is the high

A

pharmacological mechanisms by which each class of drugs produces reward are different, but the drugs typically activate the system and produce feelings of pleasure

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9
Q

who is particularly predisposed to developing substance use disorders?

A

those with lower levels of self-control.

- roots of substance use disorders are in place before the behaviour starts

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10
Q

what is physiological dependence defined by?

A

tolerance + withdrawal

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11
Q

what is tolerance?

A

need for greater amounts of some drug to achieve similar effect

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12
Q

what is withdrawal?

A

physical response that comes in place when substane is no longer ingested

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13
Q

what is psychological dependence

A

behavioural reactions assoc with substance dependence

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14
Q

two views/definitions of addiction

A
  1. addiction is a physiological dependence on drugs that almost necessarily involves withdrawal and tolerance
  2. drug seeking behaviours themselves as a measure of psychological dependence
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15
Q

diagnostic issues re: addictive disorders

A
  • occur concurrently with other disorders (cause?)
  • drug intoxication and withdrawal causes increased risk-taking
  • mental health disorders may cause substance use disorder
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16
Q

define risk taking

A

making decisions that wouldn’t have been made otherwise

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17
Q

how mental health disorder may CAUSE subs abuse?

A

disorder may want to see relief + turn to substance for quick relief

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18
Q

function of depressants on CNS?

A

reduces CNS activity, reduces arousal + increases relaxation

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19
Q

4 types/classes of depressants

A
  • alcohol
  • sedatives
  • anxiolytics
  • hypnotics
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20
Q

depressants + their relation to addiction?

A

leads to dependence, tolerance + withdrawal.

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21
Q

what is the clinical description of alcohol-related disorders?

A
  • inhibitory centres in the brain are depressed or slow

- continued drinking depresses more areas of the brain

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22
Q

consequences of body function under influence of alcohol?

A

depresses more areas of the brain

  • decrease motor coordination
  • slower reaction time
  • confused and poorer judgment
  • vision + hearing affected
  • memory and sexual performance impacted
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23
Q

DSM classification of Alcohol Use Disorder (8)

A
  • problematic problem, 2 of the following within 12-month period
  1. larger amounts or longer period than was intended
  2. persistent desire or unsuccessful efforts to control alcohol use
  3. great deal of time spent to obtain, use or recover from use.
  4. craving or strong desire
  5. recurrent use resulting in failure to fulfill major role
  6. continued use despite social or interpersonal problems as result
  7. social, occupational, recreational activties given up as result of use
  8. recurrent alcohol use in physically hazardous situations
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24
Q

other conditions in DSM

  • knowledge?
  • co-morbidity?
A
  1. continued use despite knowledge of physical or psychological problem as a result of use.
  2. more than half of alcohol disorders + co-morbid
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25
Q

alcohol related effects

A
  • several NT systems
  • blackouts
  • natural analgesics
  • Delirium Tremens
  • Fetal Alcohol Syndrome
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26
Q

what are Delirium Tremens

A

frightening hallucinations, body tremors/ shakes and disorientation

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27
Q

what is FAS?

A

physical and psychological effects to a child whose mother drank while she was pregnant with them .
- neuro mis-wirement due to in utero enviro
= failure to profit from experience, problem with impulsivity

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28
Q

brain of alcoholic vs non-alcoholic

A
  • global neurological damage in alcoholic.

- irreversible damage

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29
Q

statistics on use + abuse of Alcohol

A
  • 23% of canadians exceed low-risk guidelines
  • binge drinking is common in college-age
  • men drink more than women
  • single males most likely to be heavy drinkers
  • cultural differences exist: diff metabolization
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30
Q

progression of alcohol-related disorders

A
  • fluctuation between heavy drinking + abstinence
  • gets worse if untreated
  • early consumption can predict dependence later on
  • linked with violent behaviour
  • treatment lasts month or two.
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31
Q

what are sedatives?

A

drugs that have calming effect

32
Q

what are hypnotics

A

drugs that have sleep-inducing effects

33
Q

what are anxiolytic drugs?

A

drugs that have anxiety reducing effects

34
Q

what are barbiturates?

A

large class of sedative

  • relax muscles
  • produce mild feelings of wellbeing
  • suicide by overdose is common = asphyxiation
35
Q

what are benzodiazepines

A

calming, induce sleep

- addictive, build tolerance + dependence quickly

36
Q

statistics - use of barbiturates and benzo’s

A 
barb = decline
benzo = increase

higher rates in women, smokers, seniors

37
Q

what are stimulants?

A

a drug class

  • stimulate, increase alertness + energy
  • most widely consumed drugs in canada
38
Q

examples of stimulants

A

caffeine
nicotine
amphetamines
cocaine

39
Q

what are amphetamines?

A
  • stimulant drugs
  • Upper (stimulant, euphoria), leading to down + crash.
  • reduce appetite, weight, fatigue
  • stimulate CNS: enhance NA and DA
40
Q

what is cocaine?

A
  • stimulant drug
  • from coca plant
  • coca-cola had 60mg of coke.
41
Q

clinical description of cocaine use?

A
  • increase alertness, activity levels, bp, and insomnia
42
Q

DSM criteria for stimulant/amphetamine-type substance disorder?

A
  • 2+ in 12 months
    1. larger amounts, longer period
    2. desire, unsuccessful in cutting down
    3. time spend to obtain, use, recover
    4. craving, desire, urge to use
    5. use = failure to fulfill major role obligation
    6. use despite persistent + recurrent social or interpersonal problems
    7. things given up due to use
    8. use is physically hazardous
    9. use despite knowledge that subs is bad
43
Q

tobacco as subs of abuse

A
  • nicotine is psychoactive substance
  • dependence, tolerance + withdrawal
  • less than 20% of canadians smoke
  • inhaled nicotine enters blood in 7-19 secs.
  • nicotine use assoc with depression
  • genetic vulnerability + life stresses combine vulnerability to nicotine use + depression
44
Q

caffeine-related subs disorders

A
  • gentle stimulant
  • elevates mood, decreases fatigue
  • causes insomnia
  • tolerance + dependence increases with over-use
45
Q

what are opioids?

A

natural chemicals found in opium poppies, that have narcotic effects

  • sleep-inducing, pain-relieving
  • heroin most common. opium, codein, morphine. methadone - synthetic, endorphins are comparable
  • thru IV = other health consequences
  • high mortality rates
46
Q

DSM classification of Opioid use disorder

A

opioid use = impairment distress, 2+ below in 12-month

  1. larger amounts, longer period
  2. desire, but no success in cutting down
  3. lots of time spent in activities necessary
  4. craving to use
  5. failure to meet obligations due to use
  6. social + interpersonal problems due to use
  7. social, occupational, recreational activities given up
  8. physically hazardous
  9. continued use despite knowledge of problem
47
Q

effects of cannabis

A

-alters perceptions, mood swings
- impairment of memory, concentration, motivation, self-esteem + relationship with others
- reverse tolerance (myth)
tetrahydrocannabinols
- certain ppl given prescriptions

48
Q

what is reverse tolerance?

A

more pleasureable with repeated use.

- contradictory to tolerance.

49
Q

what are hetrahydrocannabinols?

A

thc: active substance in cannabis.
- some cannabis strains have cbd.
- may help with pain management
- little evidence to support pharmacological use

50
Q

DSM criteria for Cannabis use disorder

A

impairment/distress 2+ in 12-month

  1. larger amount, longer period
  2. desire, unable to cut down
  3. time to obtain, use, recover
  4. craving, urge to use
  5. failure to fulfill role
  6. social + interpersonal problems due to use
  7. activities given up,reduced
  8. physically hazardous
  9. continued use despite KNOWLEDGE physical or psychological problem
51
Q

other drugs of use - 3 types in broad category

A

inhalants: breathed in/inhaled to lungs directly

anabolic-androgenic steroids: abused, T-synthetic, tolerance is different

designer drugs: new drugs created to target specific disorder/disease

52
Q

4 dimensions of causes of subs abuse

A

biological
psychological
social
cultural

53
Q

how biology may cause subs abuse

A
  • familial/genetic, neurobiological
  • diathesis is higher/lower
  • twin, family + adoption studies show genetic influence
  • impact some reward centre in brain
54
Q

psychological dimension of cause of subs abuse

A

+/- reinforcement (feel good +, get rid of withdrawal feeling - )
cognitively rewarding

55
Q

social dimensions of cause of subs abuse

A

culture glorifies alcohol+ drugs

56
Q

cultural dimensions

A

diff cultural expectation

- drinking vs drunk

57
Q

define equifinality

A

disorder may arise from multiple/diff paths.

- not linear formation of problem, cause may increase use, but use may increase cause = reinforcing

58
Q

types of treatment

A

biological
psychosocial
harm reduction
prevention

59
Q

what are 3 biological treatments?

A

agonist substitution
antagonist treatment
aversive treatment

60
Q

what is agonist substitution?

A

provide person with safe drug that has chemical composition similar to abused drug
ex: methadone: heroine substitute. no high, but decreases withdrawal symptoms

61
Q

what is antagonist treatments

A

drugs that block/counteract the (+) effects of psychoactive drugs

ex: maltrexone - combat effects of opioids quickly

62
Q

what is aversive treatment?

A
  • give drug that can lead to profoundly negative events when abused substance is ingested
    ex: antibuse: + alcohol = terrible experience
63
Q

3 types of psychosocial treatments

A

inpatient facilities
alcoholics anonymous
relapse prevention

64
Q

what are inpatient facilities?

A

hospital, residential facilities, rehab.

- help ppl thru withdrawal, provide supportive therapy to help return to community

65
Q

what is alcoholics anonymous?

A

12-step program views alcoholism as disease

  • says ppl are powerless without assisstance
  • advocates for social support to overcome addiction
  • strong religious undertones
66
Q

12-steps of AA

A
  1. admit to powerlessness
  2. power is greater than self to restore
  3. decision to turn will + life to God
  4. make moral inventory of self
  5. admit nature of wrongs
  6. ready to stop
  7. ask for removal of shortcomings
  8. list the ppl you harmed + make amends
  9. direct amends
  10. continued personal inventory
  11. sought prayer + meditation
  12. spiritual awakening
67
Q

what is harm reduction?

A

controlled drinking/drug use - no abstinence so control.

safe injection sites.

– what is desired outcome? some data to support

68
Q

what is prevention?

A

community-based interventions

  • difficult
  • can include political efforts
69
Q

Consequences of Gambling disorders?

  • lifetime estimate?
  • problem with ppl who have disorder?
A

job loss, bankruptcy, arrests.

  • stimulates neural pathways similar to substance abuse disorder
  • 2% of americans have.
  • problem: commonly in denial - impulsive, unrealistically optimistic, craving - functionally dependent
70
Q

DSM classification of Gambling Disorder

A
  • impairment or distress, 4+ in 12-month period
    1. increasing amount of money for desired excitement
    2. restless or irritable when cut down
    3. unsuccessful efforts to stop
    4. pre-occupied with gambling
    5. gambles when feeling distressed
    6. chases losses
    7. lies to conceal extent of involvement
    8. lost a significant opportunity because of gambling
    9. relies on others for financial situation
71
Q

extra DSM classification

A

NOT better explained by manic episode

72
Q

3 major categories of impulse-control disorders

A
  1. intermitent explosive disorder
  2. kleptomania
  3. pyromania
73
Q

what is intermittent explosive disorder

A

aggressive impulses that result in serious assault + destruction of property.
- lifetime prevalence - 7%

74
Q

what is kleptomania?

A

recurrent failure to resist urges to steal things

75
Q

what is pyromania

A

irresistible urge to set fires

76
Q

treatment for impulse-control disorders

A

cognitive-behavioural

– distort thoughts, feelings assoc with action

239 - Midterm 2 (5 decks)

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