Nervous System Flashcards

1
Q

neurons

A

Simulates and carries electrical impulse

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2
Q

Neuroglia

A

Non excitable cells.

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3
Q

Why does a neuron have alot of rough ER?

A

For a a lot of protein

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4
Q

Dendrites

A

carry information toward the cell body

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5
Q

What carries information away from the cell body in a neurons ?

A

axon

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6
Q

What helps speed up excitation down the axon ?

A

Myron sheet

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7
Q

What Bipolar neurons are only in specialised places and where ?

A

Bipolar, Retina and Olfactory mucosa

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8
Q

Where are interneurons found ?

A

Found in between makes up most of the neurons

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9
Q

What has faster Myelinated axons or non- Myelinated axons

A

Myelinated axons

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10
Q

Gliomas

A

neurons have the limited ability to regenerated or undergo mitosis as a result most Brian tumor are derived from glial cells

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11
Q

What are common for most nerves?

A

That they are both sensory and motor neurons

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12
Q

ruim means what ? . Ending of names

A

rium means nerves

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13
Q

Whats a synapses? Where is this site ?

A

Site where neurons communicate with each other. Between the dendrites and axons terminals

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14
Q

Sensory input

A

Sensory receptors monitor internal
and external stimuli. Think of someone seeing a class of water and realseing they want too drink it

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15
Q

What is integration ?

A

This brain makes sense of the input and dictates a response

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16
Q

Motor output

A

Muscles moving in response

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17
Q

What is the CNS and what types of responses would occur here ?

A

Integration and interpretation of sensory input
Dictates motor response
Brain and spinal cord

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18
Q

What is the Peripheral Nervous System (PNS) and what occur here

A

Neurons transport sensory input toward
CNS & motor output away from CNS
* Includes cranial and spinal nerves

19
Q

We have the saying sensory in motor out what would be the sensory in?

20
Q

We have the saying sensory in motor out would be the motor out ?

A

Efferent (motor) division

21
Q

What would be nerves called that are associated with the body regions they server ORGANS?

A

Visceral functions

22
Q

What would be nerves called that are associated with the body regions they server NOT ORGANS?

A

Somatic functions

23
Q

What structure of cell is mostly CNS and is motor Nerouns and internerouns

A

Multipolar structure

24
Q

Describe the shape of a bipolar neuron? If you have to draw.

A

single dendrite, one axon attached to cell body

25
Describe Unipolar
This is single axon created via the process to the cell body
26
What are unipolar neourns typically
sensory neurons
27
Temporal lobe takes in what?
sound and sensory information from the inner ear. You also receive smell from the nasal cavity
28
what is the primary olfactory cortex ?
Sensory and smell
29
Occipital lobe
receives information from the eye
30
What is the insula involved with ?
taste
31
When your sick why don't things taste as good?
Taste and smell are next to each other in the brain
32
Whats the amygaloid body
memorys of fears
33
If you have ptsd where would this be stored
amygaloid body
34
You have a child hood memory it started as a short term memory and placed into long term memory. What part of the brain that helps with this?
Hippocampus
35
You smell baby lotion. This can evoke emotions what part of the brain helps with this?
Olfactory cortex
36
Your heart rate speeds up when your stressed. What part of your brain is incontrol of this?
Hypothalmus
37
You see something where is the first stop ?
Thalamus
38
Where does all sensory information except olfactory input go ?
Thalamus
39
What secretes melationin?
Epithalamus
40
What area of the brain has many nuclei?
Hypothalamus
41
what controls smooth muscle?
Hypothalamus
42
Why can you tell if your head is titling when your eyes are closed?
Cerebellum
43
What causes a stroke ?
blockage or rupture