Ch 11: organization of nervous tissues Flashcards

1
Q

Receiving sensory input

A

Monitor internal and external stimuli

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2
Q

Integrating information

A

The brain and spinal cord processes the sensory input and initiate responses

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3
Q

What are the three central nervous system’s that are on the midline?

A

Brain, brain stem, and spinal cord

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4
Q

What are the three peripheral nervous system?

A

Cranial nerves, spinal nerves, peripheral nerves

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5
Q

Sensory receptors of PNS

A

Endings of neurons specialize cells that detect temperature pain and etc

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6
Q

What is another name for sensory of PNS?

A

Afferent

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7
Q

What is another name of motor for PNS?

A

Efferent

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8
Q

What does sensory of PNS do?

A
  • sensory: afferent *
    Transmit action potential from receptors to central nervous system 
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9
Q

What does motor of PNS do?

A
  • motor: efferent *
    Transmit action potential from central nervous system to detect muscles glands 
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10
Q

How many pairs are in the cranial nerves

A

12

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11
Q

How many pairs are in the spinal nerves?

A

31

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12
Q

Peripheral nerves

A

Sciatic and radial nerves

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13
Q

Somatic nervous system characteristics

A

Voluntary, mostly, and voluntary reflux - *- from CNS to skeletal muscles
*- Voluntary
*-Single neuron system 

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14
Q

What is a synapse?

A

Junction of Neuro sell with another cell

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15
Q

Autonomic nervous system characteristics

A

Involuntary
-From Salinas to smooth muscle, cardiac muscle, and glands
-Subconscious or involuntary
-two neuron system

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16
Q

What is the two neurons system and autonomic nervous system?

A

First motor neuron(preganglionic neuron), CNS to ganglion
-Second (postganglionic neuron), from ganglion to effector

17
Q

Characteristics of sympathetic, autonomic nervous system

A

From thoracic and lumbar region
-Thoracolumbar

- pre G neuron is short
- post G neuron is long

18
Q

Characteristic of parasympathetic, autonomic nervous system

A

From cranial and sacral region
-(craniosacral)

-pre G neuron is long
- post G neuron is short

19
Q

What is a neuron?

A

Nerve cell

20
Q

Sensory neuron

A

Action potential moves towards CNS

21
Q

Motor neuron

A

Action potential moves away from CNS

22
Q

Interneurons

A

With in CNS from one neuron

23
Q

Multipolar

A

Most neurons and CNS, motor neurons

24
Q

Bipolar neuron

A

Sensory and retina of eye and nose

25
Unipolar
Single process divides into two branches to periphery, has dendrite like sensory receptors
26
Unipolar structure
27
Bipolar structure
28
Multipolar structure