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ANATOMY AND PHYSIOLOGY MIDTERM > Nervous System > Flashcards

Nervous System Flashcards

1
Q

Nerve impulse

A

Action potential

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2
Q

Nerve fibers that secrete norepinephrine

A

Adrenergic fibers

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3
Q

carries impulses toward the central nervous system

A

Affarent neuron

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4
Q

Receptors to norepinephrine, produce excitatory response

A

Alpha-adrenergic receptors

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5
Q

Receptors to norepinephrine, produce excitatory response

A

Alpha-adrenergic receptors

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6
Q

Subdivision of the nervous system,
regulating activities that maintain homeostasis; (visceral motor)

A

Autonomic nervous system

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7
Q

extending from a neuron’s cell body

A

Axon

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8
Q

Receptors to norepinephrine, produce inhibitory response

A

Beta-adrenergic receptors:

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9
Q

connects the cerebral hemispheres to the spinal cord; consists of the midbrain, pons, and medulla oblongata (stem like)

A

Brainstem

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10
Q

consisting of the brain and spinal

A

CNS

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11
Q

brain responsible for coordination of voluntary movement and balance

A

Cerebellum

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12
Q
  • Clear, colorless fluid, fills the brain’s ventricles and central canal, bathes the outside of the brain and spinal cord
A

Cerebrospinal fluid

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13
Q

Largest portion of the brain

A

Cerebrum

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14
Q

Nerve fibers that secrete acetylcholine

A

Cholinergic fibers

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15
Q
  • Nerves of the peripheral nervous system,direct in brain instead spinal cord
A

Cranial nerves

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16
Q

specific area of the skin innervated by a spinal nerve

A

Dermatome

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17
Q

specific area of the skin innervated by a spinal nerve

A

Dermatome

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18
Q

Small space between the outer covering of the spinal cord

A

Epidural space

19
Q

Kind of lobe that responsible for decision making, reasoning, memory, and voluntary movements.

A

Frontal lobe

20
Q

containing mostly cell bodies of motor neurons and interneurons

A

Gray matter

21
Q

bottom half of the diencephalon of the brain, which is responsible for many vital body functions

A

Hypothalamus

22
Q

brain responsible for emotion and learning

A

Lymbic system

23
Q

Attaches brain to spinal cord; contains centers that govern heart rate, blood pressure, and breathing

A

Medulla oblongata

24
Q

Layer of fibrous connective tissue covering the brain and spinal cord

A

Meninges

25
Q

contains both sensory and motor fibers

A

Mixed nerve

26
Q

Receptors to acetylcholine on target cells that exhibit a variable response

A

Muscarinic receptors

27
Q

many neurons; formed by Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system

A

Myelin

28
Q

bundle of neurons that transmits impulses between the brain and spinal cord and rest of the body

A

Nerve

29
Q

support neurons but do not conduct impulses

A

Neuroglia

30
Q

Nervous system cells that conduct impulses

A

Neurons

31
Q

Portion of the cerebrum responsible for analyzing and interpreting visual information

A

Occipital lobe

32
Q
  • Division of the autonomic nervous system has a claiming effect: called craniosacral division
A

Parasympathetic division

33
Q
  • Portion of the cerebrum concerned with bodily sensations and prociceptio
A

Parietal lobe

34
Q

consisting of the network of nerve throughout the body

A

Peripheral nervous system

35
Q

A network of nerves

A

Plexus

36
Q

electrical state of a cell membrane: excess positive and negative ions

A

Polarization

37
Q

neural circuit that bypasses regions of the brain where conscious decisions

A

Reflex arc

38
Q

Reflex involving contraction of a skeletal muscle after being stimulated by a somatic motor neuron

A

Somatic reflex

39
Q

responsible for “fight or flight” response; also called thoracolumbar division

A

Sympathetic division

40
Q

Space between the junction of two neurons in a neural pathway

A

Synapse

41
Q

responsible for hearing, smell, and visual recognition

A

Temporal lobe

42
Q

Bundles of axons in the spinal cord that serve as routes of communication to and from the brain

A

Tracts

43
Q

Reflex of the autonomic nervous system affecting organs

A

Visceral reflexes

44
Q

containing bundles of axons that carry impulses from one part of the nervous system to another

A

White matter

ANATOMY AND PHYSIOLOGY MIDTERM (11 decks)

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