Psychiatry Flashcards

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1
Q

what is the difference between classical and operant conditioning?

A

classical is involuntary responses and operant is usually voluntary responses

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2
Q

what is extinction

A

if you remove the reward or the negative reinforcement, the behaviour will usually stop

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3
Q

what is transference?

A

patient puts feelings on physician

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4
Q

what is countertransference?

A

physician puts feelings on patient

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5
Q

what is displacement?

A

taking negative emotions and putting them onto something else (neutral object)

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6
Q

what is fixation

A

partially remaining at more childish level of development

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7
Q

what is projection?

A

when you attribute an unpleasant internal impulse to external source- want to cheat to accuse wife of cheating

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8
Q

what is reaction formation?

A

when you take an unpleasant feeling and harness it into an action of the exact opposite

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9
Q

what are the mature defenses?

A
  1. Sublimation
  2. Altruism
  3. Suppression
  4. Humour
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10
Q

what is korsakoffs syndrome?

A

caused by B1 thiamine deficiency- destruction of mamillary bodies

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11
Q

what are the symptoms of a manic episode?

A

at least 3 for >1 week- DIG FAST-distractability, impulsive, grandiose, flight of ideas, agitation,, decreased need for sleep, talkative or pressured speech

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12
Q

what is the highest risk factor for suicide?

A

previous attempt

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13
Q

what is adjustment disorder vs GAD?

A

adjustment is 3-6 mths of increased anxiety associated with event, GAD is >6 mths

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14
Q

what causes narcolepsy?

A

decreased hypocretin (orexin) in hypothalamus

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15
Q

what are the three A’s of serotonin syndrome?

A

activity (neuromuscular), agitation, autonomic stimulation

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16
Q

what is malignant neuroleptic syndrome?

A

antipsychotics and genetic predisposition

  • myoglobinuria
  • fever
  • encephalopathy
  • vitals unstable
  • enzymes (CK increased)
  • rigidity (lead pipe muscles)
  • tx is dantrolene, dopamine agonist, bromocriptine
17
Q

what is malignant hyperthermia?

A

inhaled aesthetics, succ, genetics

  • fever and severe muscle contractions
  • tx is dantrolene
18
Q

what is delirium tremens?

A

2-3 days post alcohol-anxiety, hallucinations, autonomic instability, tremors-BENZOS

19
Q

what can give you acute dystonia?

A

antipsychotics and anticonvulsants

-benzotropine or diphenhydramine are tx

20
Q

what are the three C’s of TCA toxicity?

A

coma, cardiotoxicity, convulsions

21
Q

what is the mechanism of atypical antipsychotics?

A

inhibit D2 receptors

22
Q

what can lithium cause?

A

nephrogenic diabetes inspidius

-nephrotoxic, ebsteins anomaly, hypothyroidism