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MCB 245 > Exam 4 > Flashcards

Exam 4 Flashcards

1
Q

Functions of nervous system

A
  • Collects information
  • Processes and evaluate information
  • Initiate response to information
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2
Q

CNS

A

Brain and spinal cord

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3
Q

PNS

A

nerves and ganglia

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4
Q

Dendrites

A

Input
Area where neuron receives incoming information

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5
Q

Axon Hilloc

A

Output
Location where action potentials are initiated

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6
Q

Synapse

A

Communication
Site of communication with target cell

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7
Q

Axon

A

OUtput

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8
Q

Cell body

A

Integration
Contains cells organelles

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9
Q

Nucleus

A

Contains DNA

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10
Q

Sensory neurons

A

Afferent neurons
Conduct input from somatic and visceral receptors to CNS

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11
Q

Motor neurons

A

efferent neurons

conduct output from CNS to somatic and visceral effectors

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12
Q

Interneurons

A

Association neurons

Receive, process, and integrate information from many other neurons

Communicate between sensory and motor neurons; located within CNS

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13
Q

Frontal lobe

A

Voluntary skeletal motor control, higher cognitive functions

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14
Q

Parietal lobe

A

Somatic sensory processing

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15
Q

Occipital lobe

A

Visual processing

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16
Q

Temporal lobe

A

Auditory processing, olfactory processing

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17
Q

Broca’s Area

A

motor production of speech

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18
Q

Wernicke’s area

A

understanding of written and spoken language

19
Q

Corpus callosum

A

Interconnect left and right hemispheres of cerebral cortex to allow information sharing

20
Q

Thalamus

A

Relays sensory information from periphery to cortex

21
Q

Hypothalamus

A

Regulates emotions, autonomic functions, hormone production

22
Q

Hippocampus

A

Memory storage

23
Q

Pituitary gland

A

Production of hormones, regulation of other endocrine glands

24
Q

Olfactory nerve

A

CNI
Smell
Sensory

25
Q

Optic nerve

A

CNII
Vision
Sensory

26
Q

Oculomotor

A

CN III
Eye movement
Motor

27
Q

Trochlear

A

CN IV
Eye movement
Motor

28
Q

Trigeminal

A

CN V
Sensory and motor info to/from face
Both

29
Q

Abducens

A

CN VI
Eye movements
Motor

30
Q

Facial

A

CN VII
Sensory and motor info to/from face
both

31
Q

Vestibulocochlear

A

CN VIII
Balance and equilibrium, hearing
Sensory

32
Q

Glossopharanygeal

A

CN IX
Sensory and motor info to/from head and neck
Both

33
Q

Vagus

A

CN X
Sensory and motor info to/from thorax and abdomen
Both

34
Q

Accessory

A

CN XI
Muscles of neck and upper back
Motor

35
Q

Hypoglossal

A

CN XII
Tongue movements
Motor

36
Q

Somatic division

A

part of motor division responsible for conscious or voluntary control of skeletal muscles and reflexes

37
Q

Autonomic division

A

part of motor division responsible for automatic or involuntary responses

38
Q

Neuroglia

A

cells of nervous system that insulate, support, and protect delicate neurons

39
Q

Cerebral cortex

A

Outermost layer of cerebrum composed of gray matter, responsible for thinking and processing info from five senses

40
Q

White matter

A

Unmyelinated and tightly packed neuron cell bodies

41
Q

Brain stem

A

connects brain to spinal cord; 3 areas are midbrain, pons, and medulla oblongata; controls breathing, heart rate, and blood pressure

42
Q

Cerebellum

A

Section of brain with parallel surface grooves, inferior to occipital and temporal lobes, responsible for balance, equilibrium, and coordination

Monitors/adjusts postural muscles

43
Q

Pons

A

Relay sensory info to thalamus and cerebellum
Regulate reflexive visceral and motor activities

44
Q

Medulla Oblongata

A

Relays sensory info to thalamus and brain stem
Autonomic centers for visceral activities

MCB 245 (5 decks)

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