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AnaPhy > Nervous System > Flashcards

Nervous System Flashcards

1
Q

Are neurons supporting cells

A

Neuroglia

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2
Q

Gives the structure and provides metabolic support.

A

Neurons (Nerve Cells)

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3
Q

The body’s primary communication system, as it controls and coordinates all body activities

A

Nervous System

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4
Q

The primary components of the nervous system.

A

Neurons (Nerve Cells)

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5
Q

They support, connect and remove debris from the nervous system.

A

Neuroglia

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6
Q

Located at the ends of the axon and transmit nerve impulses leaving the neuron through a synapse

A

Axon Terminal

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7
Q

Main processing center of the cell

A

Cell Body/Soma

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8
Q

Conducts nerve impulses away from the cell body

A

Axon

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9
Q

Extensions of the cell body that conduct nerve impulses from other neurons towards the cell body

A

Dendrites

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10
Q

Covers the axons and makes nerve impulses travel faster

A

Myelin Sheath

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11
Q

Facilitate rapid conduction of the nerve impulses

A

Node of Ranvier

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11
Q

Nerve impulse can simply continue onto the next neuron. True or False?

A

False

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12
Q

Neurons must trigger the release of __________ which then carry the signals across the ________ to reach the next neuron.

A

Neurotransmitters, synapse

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12
Q

Carry information sensory receptors to the CNS.

A

Afferent (Sensory)

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13
Q

Conveys information from central nervous system (CNS) to muscles and glands.

A

Efferent (Motor)

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14
Q

Carry and process sensory information.

A

Interneuron

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15
Q

The nervous system is composed of ________ of neurons interlinked.

A

trillions

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16
Q

Brain and The Spinal Cord

A

Central Nervous System (CNS)

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17
Q

All the nerves that lead into and out of the CNS

A

Peripheral Nervous System (PNS)

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18
Q

All bodily activities (voluntary and involuntary) are controlled by the ________.

A

Nervous System

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19
Q

Divisions of the CNS

A

Brain
Spinal Cord

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20
Q

Sub divisions of the brain

A

Cerebrum
Cerebellum
Diencephalons
Brain Stem

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21
Q

The largest part of the brain, occupying the upper part of the cranial cavity.

A

Cerebrum

22
Q

Parts of the Cerebrum

A

Frontal
Temporal
Parietal
Occipital

23
Q

Coordinates voluntary movements, balance, posture, and speech. It ensures smooth and balanced muscular activity.

A

Cerebellum

24
Q

Situated between the cerebrum and the brainstem.

A

Diencephalons

25
Q

Located at the back of the brain, below the cerebrum.

A

Cerebellum

26
Q

Parts of Diencephalons

A

Thalamus
Hypothalamus
Epithalamus
Ventral Thalamus

27
Q

Parts of Cerebellum

A

Cerebrum

28
Q

The lower extension of the brain, connecting to the spinal cord.

A

Brain Stem

29
Q

Extends from the brainstem down through the vertebral column to the lower back.

A

Spinal Cord

29
Q

Parts of Brain Stem

A

Midbrain
Pons
Medulla Oblongata

30
Q

Transmission of motor and sensory signals. Reflex actions and autonomic functions.

A

Spinal Cord

31
Q

Controls basic life-sustaining functions such as heart rate, breathing, sleeping, and eating.

A

Brain Stem

31
Q

Parts of the Spinal Cord

A

Cervical
Thoracic
Lumbar
Sacrum
Coccyx

32
Q

Involved in sensory and motor signal relay, as well as the regulation of consciousness, sleep, and alertness.

A

Diencephalons

33
Q

Responsible for higher brain functions such as thought, action, emotion, and interpretation of sensory data.

A

Cerebrum

34
Q

Give the three meninges

A

Dura Mater
Arachnoid Mater
Pia Mater

35
Q

Middle weblike membrane containing cerebrospinal fluid (CSF).

A

Arachnoid Mater

36
Q

Innermost layer containing several blood vessels.

A

Pia Mater

37
Q

Outer tough fibrous membrane.

A

Dura Mater

38
Q

Divisions of the PNS

A

Autonomic
Somatic

39
Q

Controls voluntary muscles and transmits sensory information to the CNS.

A

Somatic

40
Q

Subdivisions of Autonomic

A

Sympathetic
Parasympathetic

41
Q

Controls involuntary body functions.

A

Autonomic

42
Q

Skeletal muscle tissues contract to produce movement.

A

Somatic

43
Q

Regulation of cardiac and smooth tissues.

A

Autonomic

44
Q

“Fight or flight”

A

Sympathetic

45
Q

Arouses body to expend energy.

A

Sympathetic

46
Q

“Rest and Digest”

A

Parasympathetic

47
Q

Calms body to conserve and maintain energy.

A

Parasympathetic

48
Q

Are sensory structure that detect changes in the internal and external environment.

A

Receptors

49
Q

Are target organs whose activities change in response to neutral commands

A

Effectors

50
Q

Increases heart rate, dilation of the pupils, vasoconstriction, bronchodilation, energy release from liver, adrenaline release from suprarenal gland. These movements are example of?

A

Sympathetic

51
Q
A

AnaPhy (4 decks)

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