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AP I > Nervous System > Flashcards

Nervous System Flashcards

1
Q

What does the nervous system GENERALLY do?

A

Along w/ the endocrine system, helps keep controlled conditions w/ limits that maintain health and homeostasis.

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2
Q

What is the nervous system responsible for?

A

Behaviors, memories and movements

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3
Q

The study of normal function and disorders

A

Neurology

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4
Q

What is the CNS and what part of the body is it?

A

Central nervous system, brain and spinal cord

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5
Q

What is the PNS and what parts of the body does it accompany?

A

Peripheral nervous system, cranial nerves and spinal nerves w/ sensory and motor receptors, ganglia and sensory receptors

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6
Q

What are the 3 nervous systems the PNS is divided into?

A

Somatic, autonomic and enteric

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7
Q

Causes fight or flight response

A

Sympathetic

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8
Q

Causes rest and digest

A

Parasympathetic

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9
Q

Word for sensory

A

Afferent

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10
Q

Word for motor

A

Efferent

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11
Q

Definition of sensory

A

Different receptors like somatic, interceptors and sensory neurons

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12
Q

Definition of motor

A

Nerve impulses from CNS to muscles and glands

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13
Q

Definitions of somatic, autonomic and enteric

A

Voluntary
Involuntary
Brain of digestive organs

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14
Q

Another name for cell body

A

Soma

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15
Q

What is in the soma?

A

Nucleus and most organelles

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16
Q

Part of the neuron that sends electrical signals

A

The axon

17
Q

What is gray matter made up of?

A

Nerve cell bodies, dendrites, axon terminals and neuroglia

18
Q

Where is gray matter found?

A

In the spinal cord and covers the cerebral hemispheres of the brain

19
Q

Order and how of the nervous system function

A

Sensory receptor -> sensory (afferent) neuron sends info to the ->integration (control) center [brain or spinal cord] -> motor (efferent) neuron takes the info part of the body to the effector.

20
Q

What two divisions is the PNS separated into?

A

Somatic and autonomic

21
Q

What kind of muscle does somatic nervous systems serve?

A

Only skeletal muscle

22
Q

What does the autonomic nervous system innervate?

A

Smooth, cardiac and glands

23
Q

What are the two antagonistic autonomic NS?

A

Sympathetic and parasympathetic

24
Q

Sympathetic NS is active when…?

A

High energy, emergency, exercise

25
Q

Parasympathetic is active when…?

A

Calm, sitting, after eating, urination, pooping, digestion

26
Q

What is this and what are the markings from top to bottom

A

Motor neuron
Dendrite
Neuroglial cell
Soma
Axon

AP I (15 decks)

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