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Anatomy > Anatomy Nervous System > Flashcards

Anatomy Nervous System Flashcards

1
Q

What is the central nervous system? (where)

A

Brain and spinal cord

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2
Q

what is the peripheral Nervous system

A

Sensory and motor

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3
Q

what does sensory division use

A

Sensory receptors

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4
Q

what does the somatic nervous system use

A

skeletal muscles

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5
Q

What does the autonomic nervous system use

A
  1. smooth muscles
  2. cardiac muscles
  3. glands
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6
Q

Nerotransmitter process

A
  1. Nerve impulse arrives at axon terminal
  2. calcium ion enters
  3. excites of neurotransmitts
  4. diffusion through the synaptic cleft
  5. binding to receptors on postsynaptic membranes
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7
Q

Ear hearing diagram

A
  1. Auricle
  2. external acoustic meatus
  3. tympanic membrane
  4. stapes
  5. auditory tube
  6. cochlea
  7. semicircular canals
  8. incus
  9. malleus
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8
Q

changes in the environment are detected by structures are called?

A

sensory receptors

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9
Q

these structures trigger impulses that travel via ______ to the__________

A

sensory pathways, central nervous system

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10
Q

the receptors for touch, pressure, temperatures, and pain are structurally______ and found in the skin or deeper tissues. these receptors are for you ______ senses.

A

simple, general

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11
Q

receptors are for vision, hearing, taste, smell, and balance equilibrium are more complex in structure. these are the ______ senses

A

special

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12
Q

when you experience a ________, the brain has become aware of the incoming sensory impulses; ______ occurs when the brain interprets the sensory impulses.

A

sensation, perception

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13
Q

in most neurons the threshold potential is about…

A
  • 55mV
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14
Q

nerves of the peripheral nervous system usually form complex networks called

A

plexuses

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15
Q

what type of functional are of the cerebral cortex would be responsible for sending impulses that control skeletal muscles?

A

Motor area

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16
Q

normal, quiet, everyday activities like resting and digesting are controlled by this division of the autonomic nervous system.

A

parasympathetic branch

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17
Q

during an action potential, depolarization occurs as a result of

A

sodium ions diffusing to the INSIDE of the CELL MEMBRANE

18
Q

the cellular processes of neurons that provide receptive surfaces for input from other neurons are

A

dendrites

19
Q

which of the following lists parts of a reflex arc in the correct sequence

A
  1. receptor
  2. sensory neuron
  3. interneuron
  4. motor neuron
  5. effector
20
Q

pulling your hand away from a hot pot is an example of

A

a withdrawal reflex

21
Q

neurotransmitters that hyper polarize post-synaptic are always

A

inhibitory

22
Q

neurons entirely contained within the brain or spinal cord are functionally classified in

A

interneurons

23
Q

the cardiac and vasomotor centers are located in the

A

medulla oblongata

24
Q

when a neuron’s membrane becomes more permeable to SODIUM, the neuron what’s??

A

depolarizes

25
Q

the part of the brain that coordinates VOLUNTARY muscle movements is the

A

Cerebellum

26
Q

action potentials reaching the synaptic knob open voltage-gated ____ channels, triggering synaptic vessels to relate neurotransmitters

A

CALCIUM

27
Q

The largest part of the brain; reasoning, memory, and voluntary responses

A

cerebum

28
Q

Collection of myelinated axons which connect cerebral hemispheres

A

corpus callosum

29
Q

One of the four major portions of the brain; surrounds the third ventricle

A

diencephalan

30
Q

Membranes to cover and protect brain and spinal cord

A

meninges

31
Q

Ridge or convolution on the surface of the brain

A

gyrus

32
Q

A shallow groove on the surface of the brain

A

sulcus

33
Q

A deep groove on the surface of the brain

A

fissure

34
Q

Regulates visceral activities and involuntary responses; connects diencephalon to spinal cord

A

brainstem

35
Q

Coordinates voluntary muscle movement

A

cerebellum

36
Q

In the diencephalon, is a relay area for sensory impulses

A

thalamus

37
Q

In the diencephalon, links the endocrine to the neural systems

A

hyothalamus

38
Q

In the brainstem, has auditory and visual reflex centers

A

midbrain

39
Q

In the brainstem. helps maintain breathing

A

pons

40
Q

In the brainstem, controls vital visceral activities

A

medulla oblongata

Anatomy (19 decks)

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