Term
Drugs of abuse target which pathway |
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Definition
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Term
The mesolimibic DA pathway follows what path |
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Definition
VTA to nucleus accumbens to the prefrontal cortex |
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Term
Heroin and Nicotine target the indirect pathway of the mesolimibic DA, name brain areas they target |
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Definition
1. Substantia nigra R 2. VTA 3. PAG 4. Nucleus accumbens |
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Term
Which part of the brain contains the memory of positive feeling. How about executive function? |
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Definition
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Term
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Definition
Cocaine Methamphetamine Amphetamine Methylene-Dioxy-Methamphetamine Methylphenidate Nicotine Caffinee |
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Term
What's the smoked form of cocaine? What are it's advantages |
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Definition
Crack cocaine Faster absorbtion and it's smoked |
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Term
By which mechanism does cocaine deliver it's affects |
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Definition
Inhibits reuptake of E, NE, 5-HT and DA in the mesolimbic DA system therefore increasing their levels |
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Term
Cocaine has a plasma peak of ____ after intranasal and a peak of _____ after IV or smoking |
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Definition
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Term
Where is cocaine metabolized? |
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Definition
Esterases in the serum and liver |
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Term
If you were to screen a person for cocaine use, which metabolites are you looking for? |
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Definition
Benzoyeogonine and Ecgonine |
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Term
Why shouldn't you drinking alcohol with cocaine? |
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Definition
Formation of Cocaethylene which is more toxic and has a longer half life |
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Term
What happens to basal levels of DA, NE and 5-HT after chronic cocaine use |
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Definition
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Term
How fast is the onset of cocaine if it's used by IV or smoked? What if you snort it? |
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Definition
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Term
What's the major central sites of action for cocaine? |
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Definition
Mesoaccumbens ascending dopaminergic pathway |
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Term
What are the positive effects of Cocaine? |
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Definition
1. Euphoria 2. Arousal 3. Elation 4. Alertness 5. Increase self confidence |
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Term
what are the negative effects of cocaine |
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Definition
1. Anxiety 2. Restlessness 3. Paranoia |
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Term
Name the first stage of cocaine withdrawal. What are it's characteristics |
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Definition
Crash 1. Low mood and energy 2. Hypersomnolence "very sleep" 3. Hyperphagia 4. Last 1-4 days |
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Term
Name the second stage of withdrawal |
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Definition
Withdrawal 1. Major motivation to use -Dysphoria -Anxiety -Depression 2. Muscle pain and tremors 3. High cravings such as seeing friends do it or visit places where it's done 4. last 2-12 weeks |
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Term
Name the 3rd stage of withdrawal and its characteristics |
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Definition
Extinction 1. Withdraw symptoms go away |
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Term
Cocaine toxicity has effect on which systems |
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Definition
CNS CVS Intranasal Pulmonary |
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Term
What's the effect of cocaine toxicity on the CNS |
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Definition
1. Psychosis, depression, long term personality changes 2. Intracerebral hemorrhage, cerebral infarction, seizures and headaches |
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Term
What's the effect of cocaine toxicity on CVS |
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Definition
tachycardia, vasoconstriction, arrhythmias, MI |
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Term
If you're a chronic cocaine user what are the effect intranasal |
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Definition
Chronic rhinitis, loss of smell, necrosis and perforation of nasal septum |
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Term
What's cocaines effects on the pulmonary system? |
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Definition
Pulmonary congestion, edema, alveolar hemorrhage, respiratory arrest |
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Term
High cocaine use can cause Excited delirium, what are the characteristics? |
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Definition
Psychosis accompanied by agitation and hyperthermia, often ends in respiratory arrest and sudden death |
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Term
During an overdose of cocaine, what happens? How is this treated |
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Definition
Death due to cardiac arrhythmias, convulsions or respiratory arrest. Treat using diazepam, propanol and calcium channel blockers |
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Term
List the treatments of cocaine dependence |
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Definition
Behavior treatment Pharmacological treatment -Tricyclics and SSRI -Modafinil -Buprenophrine -GABA agonist "baclofen and topiramate" -Disulfiram |
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Term
what's the difference between methamphetamines and amphetamines? |
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Definition
More potent, longer duration of action and neurotoxic than amp |
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Term
This drug is abused by collage students during exams |
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Definition
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Term
Amphetamines works by releasing |
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Definition
Dopamine (major one) and NE |
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Term
What affects due amphetamines have on the CNS |
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Definition
alertness euphoria exhilaration Enchanced well being |
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Term
What are amphetamines affects on the periphery? |
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Definition
1. Increase B 2. Tachycardia 3. Mydriasis 4. Sweating 5. Constipation |
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Term
Amphetamine toxicity can cause |
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Definition
Necrotizing arteritis Neurotoxicity that damages DA neurons |
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Term
If somebody OD on amphetamine what are the symptoms |
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Definition
Coma and convulsions leading to status epilepticus HTN, hyperthermia, subarachnoid hem. |
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Term
What's the treatment for amphetamine OD |
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Definition
Acidify the urine Haloperidol and diazepam |
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Term
Methylene-dioxy-methamphetamine is known as |
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Definition
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Term
What's the MOA of ecstacy? |
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Definition
Promotes release of 5-HT and inhibits it's uptake, also inhibits DA uptake |
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Term
What are the positive effects of Ectasy |
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Definition
1. Emotional openness 2. Euphoria 3. Stimulation 4. Reduction and critical & cynical thoughts 5. Decreased inhibitions |
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Term
What are the positive effects of ecstacy |
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Definition
Emotional openness Euphoria Stimulation Reduction of critical and cynical thoughts Decreased inhibition |
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Term
What are the negative effects of ectasy |
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Definition
1. Visual distortion 2. Nystagmus 3. Nervousness 4. Shivering 5. Hyperthermia |
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Term
The withdraw symptoms of 5-HT are due to |
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Definition
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Term
What are the withdrawal symptoms of ectasy |
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Definition
Severe anhedonia Lethargy Decreased motivation Fatigue Depression |
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Term
Name the toxicity effects of ectasy |
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Definition
Altered mental status, convulsions, tachycardia, acute renal failure, hepatotoxicity and psychosis |
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Term
Methylpenidate is also known as _____. It's used in the treatment of _____ |
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Definition
Ritalin and is used in the treatment of ADHD |
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Term
The effects of Methylphenidate are due to |
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Definition
inhibits uptake of DA and NE and stimulates their release |
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Term
If you use Methylphenidate IV what happens? |
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Definition
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Term
the Methylphenidate symptoms of actue OD are |
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Definition
vomiting, agitation, tremors, muscle twitching, convulsions, hallucination, delirum and flushing |
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Term
The treatment for Methylphenidate is |
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Definition
Gastric lavage Main circulation and respiration |
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Term
What's the onset for nicotine |
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Definition
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Term
Nicotine causes the release of |
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Definition
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Term
What are the effects of nicotine use |
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Definition
Euphoria Anorexia Improved concentratoin Arousal |
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Term
Give the symptoms of nicotine withdraw |
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Definition
Dysphoria Increased appetite Difficulty concentration Irritability |
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Term
What is the treatment of nicotine withdrawl |
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Definition
Bupropion Mecamylamine "blocking agent" Clonidine: decreases w/drawal symptoms and cravings |
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Term
Caffinee is a ______ receptor antagonist and increases _____ secretion. At high doses it's a _______ inhibitor |
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Definition
adenosine NE phosphodiesterase |
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Term
Lysergic Acid Diethylamine (LSD) works on which system? What kind of agonist and antagonist is it? |
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Definition
Central serotinic systems 5HTa/c agonist and a 5HT2 antagonist |
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Term
What are the early effects of LSD |
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Definition
Weakness, numbness, nauseated, mydriasis, increased BP, tachycardia, tremor |
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Term
When does the desired effects of LSD happen? What are they |
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Definition
Perceptual effects Euphoria Elation some experience anxiety, depression, panic, rage |
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Term
Why do people not develop a dependence on LSD? |
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Definition
Short term tolerance, they take it once or twice a week |
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Term
What are the adverse physiological reactions of LSD |
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Definition
Panic attacks, acute depression and psychosis |
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Term
How do people die when they're on LSD |
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Definition
Errors in judgement like, I can fly |
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Term
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Definition
It's a hallucinogen used for religious users |
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Term
Psiolocybin is known as _____ _______ |
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Definition
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Term
Name the deliriant hallucinogens? |
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Definition
Ketamine, Phencclidine and dextromethorphan |
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Term
What's the MAO of deliriant halluciogens |
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Definition
Bind to NMDA receptors where they are non-competitive antagonist and block calcium transporters Indirectly stimulate DA and NE transmission |
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Term
Where would you fine Ketamine? |
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Definition
Pediatric anasthesia and veterinary use |
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Term
What are the effects of low dose Ketamine? How about high dose? |
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Definition
Low dose is like alcohol, there is stumbling, clumsiness, robotic movements, vertigo, reduce sensatoin high dose: Difficult moving due to anesthetic effects, nausea, complete dissociation, classic near death experiences, blackouts |
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Term
What are the toxic effects of ketamine |
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Definition
Staring, catatonic, flat face |
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Term
How would a person that OD on Ketamine present? |
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Definition
Seizures and coma with death due to intracranial hemorrhage and respiratory failure |
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Term
How would you treat Ketamine OD |
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Definition
acidify the urine and give supportive measures |
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Term
What the street name of Pehncyclidine |
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Definition
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Term
What are the low dose effects of LSD. How about high dose effects |
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Definition
Euphoria, agitation and bizarre behavior.
Rigidity, impaired reasoning, detachment, anger and violent, bronchospasm, peripheral effects like HTN, tachycardia, nystagmus |
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Term
If a patient presents w/ an LSD overdose what do they look like |
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Definition
Grand mal seizures or status epilepticus Death due to intracranial hemorrhage, respiratory failure |
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Term
What are the positive effects of Dextromethorphan |
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Definition
Mood lift, dissociation of mind from body, dream like experiences and hallucinations |
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Term
What are the negative effects of Dextromethorphan |
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Definition
Nausea and vomiting Itchy and skin irritation Confusion Loss of motor control and sensory perception Hangover |
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Term
Toxicity of Dextromethorphan are due to |
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Definition
The other toxicities present |
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Term
What are the benzodiazepines that are abused |
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Definition
Alprozolam, Diazepam and Fluitrazepam |
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Term
Fluitrazepam is known on the street as _____, as a result it's been reformulated to turn liquid to which color? |
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Definition
Date rape drug, roofies Blue or green |
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Term
what are the effects of Fluitrazepam |
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Definition
Drowiness, impaired motor coordination, ataxia, euphoria Next day hangover like nervousness, anxiety, tremor, headache |
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Term
When taking Fluitrazepam, what are the protraction effects due to |
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Definition
REM rebound, you get hallucinations, confusions, paranoid psychosis, convulsions (life threatening), hyperthermia, tinnitus |
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Term
How would you treat a benzodiazepine OD? |
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Definition
Flumazenil, gastric lavage and maintence of respiration |
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Term
How do you die from benzodiazepines |
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Definition
cerebral anoxia due to respiratory failure |
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Term
What uses are there for Gamma-hydroxbutyrate (GHB) |
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Definition
Treatment of cataplexy associated w/ nacrolepsy |
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Term
The effects of GHB are due to |
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Definition
indirectly increase release of DA, endogenous opiods and GH |
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Term
The desired effects of GHB are? how about the undesired one? |
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Definition
Relaxation, tranqulity, mild euphoria, disinhibition Drowiness, dizziness, nausea and vomiting |
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Term
What are the toxicity effects of GHB |
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Definition
Loss of bladder control, amnesia and seizures Cardiac depression and coma |
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Term
What is the onset of NO? What are it's desired and undesired effects |
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Definition
5-45 min Euphoria, perceptional disortion, ataxia, giddness, slurred speech
Coughing, sneezing, nausea and vomiting |
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Term
What are the toxicity effects of NO |
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Definition
Death due to asphyxia or respiratory depression Can produced arrhthmias Vit B12 depression leading to numbness in the fingers and toes |
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