psych- neurocog Flashcards

1
Q

wet, wacky, wobbly

A

NPH
idiopathic cause
decrease reabsorption of CSF

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2
Q

timeline of lewbody dementia

A

early impairent in executive function

later impairment in memory

characterized by: 1) flucutating cognition 2)hallucinations 3)parkinsonism

**think about patient dx with parkinsons who is not responding to levadopa

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3
Q

NMS sx

A
FALTER
Fever
Autonomic instability
Leukocytosis
Tremor
Elevated enzymes (CK, transaminases)
Rigors
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4
Q

creutzfeld jakob

A

rapid decline
myoclonus
akinetic mutism

death in a year

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5
Q

medication for alzheimers

A

1) cholinesterase inhibitors –> donepazil
2) if severe, add NMDA antag –> mamantadine

avoid anticholinergics

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6
Q

management of severe acute lithium tox

A

IVF and dialysis

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7
Q

huntington repeats

A

CAG

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8
Q

dopamine synthesis

A

phenylalanine –> tyr (+BH4) –> dopa (+B6)–> DOPAMINE –> NE –> epi

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9
Q

primary metabolite of DA?

A

homovanillic acid

vanillymandelic acid is metab of NE and Epi

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10
Q

apraxia: in what disease and what part of MMSE tests is?

A

alzheimers, unable to piece together complex executive fx tasks
(diffuse cortical atrophy)
pick up a piece of paper in left hand, fold it, and put it back down

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11
Q

personality seen in temporal lobe epilepsy patient

A

hyposexual
perseverative
intesnse
viscosity

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12
Q

dreaming is characteristic of which stage of sleep?

A

REM

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13
Q

what receptors are targets in circadian rythm?

A

5HT7

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14
Q

what are major targets of atypical antipsychotis?

A

d4

5ht6

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15
Q

explain hypertensive crisis associated with MAOi?

A

blocks metabolism of TYR which is precursor to NE and Epi –> pressor effect

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16
Q

a lesion in the RIGHT prefrontal cortex will cause_______, whereas a lesion in the LEFT prefrontal cortex will cause______

A

Right= jokes, puns, laughter

Left= Loser –> you become depressed

17
Q

lesion in orbital frontal region of frontal lobe?

A

disinhibition, lack remorse

can resemble antisocial.