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NBS > Physiology Neurophysiology (22%) > Flashcards

Physiology Neurophysiology (22%) Flashcards

1
Q

On an dendrite this is where the NT are stored

A

Telodendria

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2
Q

During the depolarization stage, what makes the neuron more positive

A

Na

The neuron becomes more permeable to Na

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3
Q

During repolarization, these channels start to widen

A

Potassium

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4
Q

During repolarization, these channels start to close

A

Sodium

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5
Q

What happens during repolarization

A
  1. Na channels being to close
  2. K chnnels begin to widen
  3. K flows to exterior
  4. Re establishes normal resting potiential
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6
Q

What are the two gates called in the voltage gate channels

A

Activation

Inactivation

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7
Q

Activation gate is on which side of the channel

A

outside

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8
Q

When the membrane potenital is -50 to -70, which gate opens and what comes through it

A

Activation gate
Na
(Inactivation gate will close when resting memebrane potential is met)

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9
Q

What are the excitatory NT

A

Norepinephrine
Glutamate
Nitric Oxide

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10
Q

This summation is invovled in multiple presynaptic bulbs

A

Spartial Summation

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11
Q

This summation is invilved in a single presnatpic bulb

A

Temporal Summation

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12
Q

What are the two mechanoreceptors called

A

Krause (Pressure)

Ruffinni (pressure and Temperature)

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13
Q

This mechanorecptor is general touch

A

Merkel’s Disc (not encapsulated)

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14
Q

What tract does Merkel’s Disc go through

A

Anterior Spinothalamic

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15
Q

This mechanoreceptor is fine touch

A

Meissner’s Corpuscles

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16
Q

What tract does Messner’s go through

A

Dorsal Columuns

17
Q

This touch mechanoreceptor is associated with pressure and vibration

A

Pacinian Corpuscles

18
Q

The NT associated with Parasympathic

A

AcH

19
Q

The NT associated with Sympathetic

A

Pre: AcH
Post: Epi
NoRep

20
Q

What is the word associated with a influx of Na

A

Depolarization

21
Q

What is the word associated with Effluc of K

A

Repolarization

22
Q

When no AP possible

A

Absoulte Refractory

23
Q

An AP is available with increase potential

A

Relative Refracotry

24
Q

The functions of the postcentral gyrus

A

Somatosensory

25
Q

Visiual sensory is in the

A

Occipital lobe
Striate Cortex
Calcarine Fissure

26
Q

The auditory sensory area

A

Superior Temporal lobe

27
Q

The base of the postcentral gyrus is associated with

A

Gustatory

28
Q

The medial temporal lobe is assicated with what sense

A

Olfactory

29
Q

Wernicke is in which lobe

A

Superior Temproal Lobe

NBS (22 decks)

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