Vol. VII - Neurology Flashcards by joseph Krongold

Q

A delta fibers are

A

myelinated and fast

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Q

C fibers are

A

slow and unmyelinated

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Q

Meissner’s Corpuscle detects

A

Fine touch, position, low frequency vibration

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Q

Pacinian Corpuscles detect

A

high frequency vibration, pressure

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Q

Merkel discs detect

A

pressure, deep touch

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Q

Ruffini corpuscles detect

A

stretch

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Q

Neurotransmitter changes in anxiety

A

GABA and serotonin down, Norepi up

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Q

Neurotransmitter changes in depression

A

dopamine, norepi, and serotonin down

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Q

Neurotransmitter changes in schizophrenia

A

dopamine up

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Q

Neurotransmitter changes in alzheimer’s disease

A

ACh down

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Q

Neurotransmitter changes in huntington’s disease

A

ACh and GABA down, dopamine up

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Q

Neurotransmitter changes in Parkinson’s Disease

A

Dopamine and Serotonin down, ACh up

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Q

Acetyl Choline is produced in

A

Basal nucleus of meynert

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Q

Dopamine is produced in

A

Ventral tegmentum and SN (midbrain)

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Q

GABA is produced in

A

Nucleus accumbens

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Q

Norepi is produced in

A

Locus ceruleus (pons)

Q

Serotonin is produced in

A

Raphe nucleus

Q

Lateral nucleus of the hypothalamus function

A

Produces hunger; injury –> anorexia

Q

Ventromedial nucleus of the hypothalamus function

A

produces satiety, injury –> hyperphagia

Q

Anterior nucleus of the hypothalamus function

A

Cooling (parasympathetic)

Q

Posterior nucleus of the hypothalamus function

A

Heating (sympathetic)

Q

Suprachiasmatic nucleus of the hypothalamus function

A

Circadian rhythm

Q

Supraoptic and Paraventricular nucleus of the hypothalamus function

A

synthesize ADH and oxytocin

Q

Preoptic nucleus of the hypothalamus function

A

Thermoregulation, sexual behavior, GnRH release