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Nervous System Flashcards

1
Q

What are the Central Nervous System parts?

A

Brain
Spinal cord
Sensory organs
Nerves

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2
Q

What are the Central Nervous System functions?

A
  1. Motor control and communication system of the body
  2. Thoughts, actions, emotion controlled
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3
Q

What are the Peripheral Nervous System parts?

A

Nerves outside of CNS (Central Nervous System)

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4
Q

What are the Peripheral Nervous System functions?

A

Links all the parts of the body by carrying impulses from the sensory receptors to the CNS and from the glands and muscles.

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5
Q

Efferent PNS regulates what?

A

involunary and voluntary motor skills.

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6
Q

Afferent PNS regulates what?

A

Sensensory organs

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7
Q

What does the automatic division do?

A

Regulates events that are automatic or voluntary.

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8
Q

What does the somatic division do?

A

Allows voluntary control of skeletal muscles.

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9
Q

Hippocampus function?

A

Storage and recall of new long term memories

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10
Q

Cerebellum function?

A
  1. Coordinates movement with learned experiences
  2. presise timing and skeletal muscle activity
  3. balence and equalibrium
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11
Q

Limbic system function?

A

to process and regulate emotion and memory while also dealing with sexual stimulation and learning.

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12
Q

Corpus Callosum function?

A
  1. Connects the cerebral hemispheres
  2. Allows communication between both sides of cerebral cortex
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13
Q

Location of spinal nerve connection?

A

Spinal cord

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14
Q

Location of cranial nerve connection?

A

Brain

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15
Q

Anterior root of spinal nerve info

A

Front of spinal cord
Motor response

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16
Q

Posterior root of spinal nerve information

A

Dorsal root ganlgia
sensory response

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17
Q

Number of cranial nerves?

A

12 cranial nerve pairs

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18
Q

Synapse?

A

The junction between neurons
Cell communication

19
Q

Postsynaptic nueron?

A

Receives neurotransmitter from other neuron

20
Q

Sodium order

A
  1. A graded depolarization brings an area of an excitable membrane to threshold.
  2. A temporary hyperpolarization occurs
  3. Sodium channels activation occurs
  4. Sodium channels are inactivated
  5. Sodium ions enter the cell and depolarization occurs
  6. Voltage gated potassium moves out the cell, initiating repolarization
  7. sodium channels regain normal properties
21
Q

Sodium channels blocked?

A

NO action potential

22
Q

What is needed for action potential?

A

Depolarization

23
Q

Reflex steps

A
  1. Info processing
  2. sensodru neurpn activation
  3. motor neruron activation
  4. Sensory receptor activation
  5. Effector response
24
Q

White matter

A

Myelinated axons in tracts (bundles of nerve fibers)

25
Grey matter
Unmyelinated cell bodies
26
Parts of brain stem
1. Midbrian 2. Pons 3. Medula Obligata
27
Sodium pump function
Uses ATP to restore ion concentrations to their original state
28
Reason a reflex response may fail during a clinical exam?
1. Nerve damage, nerve conduction issue, consciously supress response, CNS damage
29
Cerebral spinal fluid flows in what location?
Subarachnoid space
30
Cerebrospinal Fluid Function?
Transport weight and nutrients, cushion
31
Gyri
Elevated ridges (on brain)
32
Sucli
Shallow grooves (on brain)
33
Meningitis definition
Acute inflammation of the meniges
34
Meningitis causes
Bacterial Infection Vital
35
Nervous Tissue Wrapping
Endoneurium: surrounds each neuron Perineurium: surrounds a group of neurons or fascicle Epineurium: surrounds a nerve
36
Order of meninges
* Dura mater * Arachnoid mater * Pia mater
37
Subdural hemorrage
bleeding location
38
Cerebrovascular accident (stroke)
Side of brain and side of body, oxygen
39
Hypothalumus tumor symtoms
Mood swings Thirst and Hunger changes
40
Disorder
damaged substainia nigra and decrease dompamine
41
Seizure
Temporary cerebral ex disorder with abnormal movements, weird senations, and inappropriate behavior
42
3 protective structures
1. Bones- hard protection around vital structures 2. Cerebral fluid- cushion 3. Meniges- provide protective layers
43
Special Senses
1. Olfactory- sense of smell 2. Gustatory- snese of taste 3. Vision- Sense of sight 4. Balence- faintness, lightheaded, vertigo
44
Video
Rabis- sezuires Moneky pox- spots all over body

Human Anatomy (14 decks)

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