AGENTS, CONTROLLING THE FUNCTIONS OF THE CENTRAL NERVOUS SYSTEM - Drugs of abuse Flashcards
Psychologic dependence is
Compulsive drug-seeking behavior
Tolerance is associated with
- An ability to compensate for the drug effect
- Increased disposition of the drug after chronic use
- Compensatory changes in receptors, effector enzymes, or membrane actions of the drug
Addiction is associated with the existence of
- Psychological dependence
- Physiological dependence
- Tolerance
Substances causing narco- and glue sniffings are
- Stimulants
- Psychedelics
- Sedative drugs
Substances causing narco- and glue sniffings are not
Antipsychotic drugs
Which abused drugs do not belong to sedative agents?
Cannabinoids
Psychedelics are
- LSD
- Marijuana
- Volatile substances (glues, solvents, volatile nitrites and nitrous oxide)
Psychedelics are not
Cocaine
In contrast to morphine, heroin is
More addictive and fast-acting
True or False. Symptoms of opioid withdrawal begin 8-10 hours after the last dose.
TRUE
The acute course of opioid withdrawal may last
7-10 days
Indicate the sedative-hypnotic agent, which has the highest abuse potential
Phenobarbital
Characteristics of barbiturate intoxication (2-3 dose) include
- Pleasant feelings of the “blow” in the head, vertigo, myasthenia, stupor
- Locomotive, speech excitation, sharp swings from a cheerful mood to an aggressive state
- Sleep with the subsequent weakness and headaches
Characteristics of barbiturate intoxication (2-3 dose) do not include
Perceptual distortion of surroundings, disorders of thinking, behavior
Barbiturate abstinent syndrome is shown by
- Crisis by 3 day of abstention
- Anxiety, mydriasis, myasthenia, muscular convulsions, vomiting, diarrhea
- Psychosis as delirium (color visual and auditory hallucinations)
Which tranquilizers belongs to strong euphorizing agents?
Diazepam
Tranquilizers intoxication (5-10 tablets) features include:
Euphoria, burst of energy, increase in motor activity, wave warmth all over the body
Which abused drugs is related to stimulants?
- Cocaine
- Amphetamine
- Caffeine
Cocaine exerts its central action by
Inhibiting dopamine and norepinephrine reuptake
“Crack” is a derivative of
Cocaine
Cocaine intoxication appears by
- Short clouding of consciousness, lightness of body and a feeling of flight
- Wave warmth all over the body, physical bliss, motionlessness
- Clear consciousness, improved mood, influx of physical and spiritual forces, locomotive and speech excitation,
reappraisal of personality
Which stimulants is related to psychedelics?
“ecstasy” (methylenedioxymethamphetamine)
Cocaine may cause
- Powerful vasoconstrictive reactions resulting in myocardial infarctions
- The multiple brain perfusion defects
- Spontaneous abortion during pregnancy
Characteristics of cocaine abstinent syndrome include
- Feeling of depression, irritability, confusion, insomnia (the first 3 days)
- Depression, apathy, excessive appetite, a wish to sleep (the subsequent 1-2 days)
- New attack of depression, anxiety, irritability, dullness, intense thirst for cocaine (after 1-5 days improvement)
Characteristics of cocaine abstinent syndrome do not include
Psychosis as color visual and auditory hallucinations (for 3 day)
Overdoses of cocaine are usually rapidly fatal from
- Respiratory depression
- Arrhythmias
- Seizures
Which agents is related to hallucinogens?
LSD
LSD produces
- Mood swings
- Impaired memory, difficulty in thinking, poor judgment
- Perceptual distortion
LSD decreases in brain
5-HT2 receptor densities
Which agents is related to cannabis?
Hashish
The early stage of cannabis intoxication is characterized by
- Euphoria, uncontrolled laugher
- Alteration of time sense, depersonalization
- Sharpened vision
Which physiologic signs is a characteristic of cannabis intoxication?
Reddening of the conjunctiva
Industrial solvent inhalation causes
- Quick intoxication, lasting only 5-15 minutes
- Euphoria, relaxed “drunk” feeling
- Disorientation, slow passage of time and possible hallucinations
Indicate the drugs of choice for reversing the withdrawal syndrome
- Benzodiazepines
- Neuroleptics
- Antidepressants