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Neuro > Brainstem and Spinal Cord > Flashcards

Brainstem and Spinal Cord Flashcards

1
Q

Function of Brainstem

A

Monitors all conscious brain output

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2
Q

How many CN Nuclei in brainstem?

A

10 of 12

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3
Q

Reticular formation

A

Integrates sensorimotor function with thoughts, emotions, cognition

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4
Q

Reticular Activating System

A

Controls consciousness and arousal, regulates respiration and swallowing

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5
Q

Tectum function

A

Important for visual and auditory reflexes

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6
Q

Tegmentum

A

Contains many CN nuclei, red nucleus & reticular information

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7
Q

Basis pedunculi

A

Substantia nigra & crus cerebri

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8
Q

Medial Lemniscus

A

Pathway for touch and propriocenption, fine discriminative touch

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9
Q

Proprioception

A

Sense of relative position of neighboring parts of body

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10
Q

Fasiculus gracilis and cuneatus

A

Fine sensory discriminatory information

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11
Q

Medulla’s 3 reflex centers

A

Cardiac center, vasomotor center, respiratory center

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12
Q

Cardiac center

A

rate & strength of heartbeat

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13
Q

Vasomotor center

A

constriction/dilation of blood vessels

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14
Q

Respiratory center

A

Rhythm & rate of breathing

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15
Q

Cerebellum Function

A

Does not initiate motor activity, maintains equilibrium and coordinates motor actiivity

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16
Q

Layers of Cerebellum

A

Molecular, Purkinje, and granular layers

17
Q

Primary role of cerebellum

A

maintain proper posture and balance, guides repetitive movements

18
Q

Damage to cerebellum

A

Lack of coordination of agonistic and antagonistic muscles

19
Q

Intention tremors

A

tremor occuring during movement

20
Q

Dysmetria

A

overestimation or underestimation of force

21
Q

Dysdiadokinesia

A

Inability to perform rapid alternating movements

22
Q

Ataxic dysarthria

A

Speech rate slower than normal with unsteady rhythm

23
Q

Cerebellar Peduncles

A

Superior, middle, and inferior

24
Q

Afferent input from motor cortex into which peduncle?

A

Middle

25
Q

Proprioceptive afferent information from trunks and limbs enter through which peduncle?

A

Inferior

26
Q

Output of corrective feedback information to motor cortex through which peduncle?

A

Superior

27
Q

Spinal Cord

A

Bidirectional transmission for conscious and voluntary control

28
Q

Dorsal Horns of SC

A

Received sensory information

29
Q

Ventral horns of SC

A

Control skeletal and visceral muscles and glands

30
Q

Dorsal Root Ganglion

A

Formed by cell bodies of dorsal root fibers

31
Q

Areas covered by dorsal roots

A

Dermatomes

32
Q

Areas covered by ventral roots

A

Myotomes

33
Q

31 Segments of Spinal cord

A

Cervical, thoracic, lumbar, sacral, coccygeal

34
Q

Spinal Cord relevance to speech production?

A

Innervations of muscles controlling respiration for speech

35
Q

Corpora quadragemina

A

Four round elevations, superior and inferior colliculli, visual and auditory reflexes

Neuro (10 decks)

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