Chapter 8 test Flashcards

1
Q

Name of the nervous system division that includes the brain and spinal cord

A

Central nervous system

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2
Q

A group of peripheral our sons bundle together and up in an epineurium called a

A

Nerve

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3
Q

Two types of cells found in the nervous system

A

Neuron’s, glia

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4
Q

The knee-jerk is a type of Nero pathway called a

A

Reflex arc

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5
Q

A self propagating wave of electrical disturbance that travels along the surface of a neuron’s plasma membrane

A

Nerve impulse

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6
Q

The exterior of a rest in your own has a slight charge where is the interior has a slight charge. What are the charges

A

Positive, negative

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7
Q

The ion that rushes into the neuron during a nerve impulse

A

Sodium ion

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8
Q

Place where impulses are passed from one neuron to another

A

Synapse

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9
Q

Acetylcholine and upper mean are examples of blank, which are chemicals used by neuron’s to communicate

A

Neurotransmitters

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10
Q

Three membranes that make up the meninges

A

Dura matter, arachnoid layer, and mater

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11
Q

There are how many pairs of cranial nerves and how many pairs of nerves they come from the spinal cord

A

12,31

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12
Q

Skin surface area supplied by a single spinal nerve

A

Dermatomes

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13
Q

Part of the autonomic nervous system that regulates effectors during nonstress conditions

A

Parasympathetic nervous system

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14
Q

The preganglionic axons of the sympathetic nervous system release the Nero transmitter ______? The postganglionic axons release _______?

A

Acetylcholine, norepinephrine

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15
Q

The preganglionic axons of the parasympathetic nervous system release the neurotransmitter _______? The postganglionic axons release _______?

A

Acetylcholine, acetylcholine

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16
Q

The autonomic nervous system consists of neurons that conduct impulses from the brain or spinal cord to _______ tissue, ________ tissue, and _________ tissue.

A

Cardiac muscle, smooth muscle, Glandular epithelial

17
Q

Cells that make my island for axons outside the CNS

A

Schwann Cells

18
Q

Glia cells that help for the blood brain barrier

A

Astrocytes

19
Q

A single projection that carries nerve impulses away from the cell body

A

Axon

20
Q

Cells that make mileage for axons inside the CNS

A

Oligodendrocyte

21
Q

A white fatty substances surrounds and insulates the Axon

A

Myelin

22
Q

Selsa act is in my group eating scavengers in the CNS

A

Microglia

23
Q

A highly branched part of the neuron that carries impulses toward the cell body

A

Dendrite

24
Q

Part of the brainstem that is a conduction pathway between areas of the brain and body; influences respiration

A

Pons

25
Q

Sensory really station from various body areas of the cerebral cortex; also involved with emotions and alerting and arousal mechanisms

A

Thalamus

26
Q

Carries messages to and from the brain to the rest of the body; also mediates reflexes

A

Spinal cord

27
Q

Part of the brainstem that contains cardiac, respiratory, and Vasso motor centers

A

Medulla oblongata

28
Q

Sensory perception, will movements, consciousness, and memory are mediated here

A

Cerebrum

29
Q

Regulates body temperature, water balance, sleep wake cycles, appetite, and sexual arousal

A

Hypothalamus

30
Q

Regulates muscle coordination, maintenance of equilibrium, and posture

A

Cerebellum

31
Q

Part of the brainstem that contains relays for visual and auditory impulses

A

Midbrain

32
Q

The name of the nervous system division that includes the nerves they extend to the outline parts of the body

A

Peripheral nervous system

33
Q

Three neuron reflex arc reaction is called

A

Withdrawal reflex