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Phys Test 2 > Neuro Snipits > Flashcards

Neuro Snipits Flashcards

1
Q

PNS/CNS Excitatory at NMJ

A

Acetylcholine

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2
Q

4 Cells of Neuroglia

A
  1. Astrocytes
  2. Oligodendrocytes
  3. Microglia
  4. Ependymal Cells
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3
Q

CNS, Inhibitory

A

GABA

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4
Q

Excitatory/Inhibitory, Emotional Response, Addictive Behaviour, Skeletal Muscle Tone

A

Dopamine

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5
Q

Excitatory/Inhibitory, Sensory perception, Temp Regulation, Mood, Sleep, Appetite

A

Serotonin

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6
Q

Role of Astrocytes

A

Blood, Brain, Barrier

Provide nutrients to neurons

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7
Q

Role of Oliogodendrocytes

A

Form, maintain myelin sheath of CNS neurons

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8
Q

Microglia Role

A

Phagocytotic Cells, remove debris, phagocytize microbes

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9
Q

Ependymal Cell Role

A

Produce and assist circulation of cerebral spinal fluid

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10
Q

Neuroglia in PNS + functions

A

Schwann Cells: form the myelin sheath for PNS axons.

Regeneration of PNS axons

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11
Q

Spinal Cord

A
  • extends bottom of brain stem to L2
  • tapers into conus medullaris
  • roots of spinal nerves below are cauda equina
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12
Q

4 structures of brain

A
  1. Brain Stem
  2. Cerebellum
  3. Diencephalon
  4. Cerebrum
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13
Q

3 Regions of brain stem

A
  1. Medulla Oblongata
  2. Pons
  3. Midbrain
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14
Q

Medulla Oblongata

A

HR, BP, Breathing, Swallowing, Vomiting

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15
Q

Pons

A

Control of breathing

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16
Q

Midbrain

A

Reflex Visual Activity, Hearing

Substantia Nigra: neurons that make dopamine extend from it

17
Q

Reticular Formation

A

Like like formation of neural tissue spreads through brain stem.
Consciousness, attention, sensory overload prevention, regulate muscle tone

18
Q

Cerebellum

A

Smoothes coordinates skeletal muscle control, posture, balance

19
Q

Diencephalon Includes

A

Hypothalamus, Thalamus, Epithalamus

20
Q

Hypothalamus

A

Major regulator of homeostasis, Emotion and behaviour (Limbic System)

21
Q

Thalamus

A

Major relay station for most sensory input to the cerebral cortex

22
Q

Epithalamus

A

Smelling (especially emotional response)

-Pineal Gland

23
Q

Cerebral Cortex

A

Outer rim of grey matter
Sensory Area: Perception
Motor Area: Voluntary movement

24
Q

Association Area

A

Inner region of white matter

-Memory, emotions, reasoning, will, judgment, personality, intelligence

25
Q

Basale Ganglia/Nuclei

A

Regulate starting/stopping

  • Subconscious skeletal muscle contraction
  • suppress unwated movemt
  • resting muscle tone
  • LINKED TO SUBSTANTIA NIGRA
26
Q

Limbic System

A

Emotion, Smelling, Memory

-hypothalamus, hippocampus, amygdala

27
Q

Hippocampus

A

Memory, short term to long term

28
Q

Amygdala

A

Emotional function (Esp Fear)

Phys Test 2 (5 decks)

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