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Voice Disorders Exam 1 > Neurogenic Voice Disorders > Flashcards

Neurogenic Voice Disorders Flashcards

1
Q

Motor control of the larynx consists of…? (CNS)

A
  1. Motor cortex
  2. Primary motor strip
  3. Midbrain
  4. Brainstem
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2
Q

What is in charge of voice response (preplanning)? (CNS)

A

Broca’s area

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3
Q

What is in charge of motor planning for voice? (CNS)

A

Insula

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4
Q

What is responsible for voice production? (CNS)

A

Precentral gyrus

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5
Q

What is responsible for sensory info for vocalizing (motor)? (CNS)

A

Basal ganglia/Thalamus

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6
Q

What is responsible for audition? (CNS)

A

Temporal lobes (Heschyl’s gyrus)

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7
Q

Motor to stylopharyngeus m. (elevates larynx) (PNS)

A

Glossopharyngeal (IX)

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8
Q

Sensory and motor to larynx, motor to thorax (PNS)

A

Vagus (X)- SLN, RLN

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9
Q

Neck accessory m.’s (SCM & trap), levator veli palatini & uvula (PNS)

A

Spinal Accessory (XI)

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10
Q

Depression/elevation of larynx (via tongue m.’s), neck strap m.’s (PNS)

A

Hypoglossal (XII)

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11
Q

CN’s of phonation/voice (4)

A

IX, X, XI, XII

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12
Q

SLN Vagus branch function

A

Sensory: (internal branch) mucous membrane supraglottal larynx
Motor: (external branch) CT m.

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13
Q

RLN Vagus branch function

A

Right: loops behind R carotid & R subclavian
Left: loops around aortic arch

Motor: TA of VF, PCA (abductor), LCA (adductor), transverse arytenoids (adduction), oblique arytenoids (adduction)

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14
Q

Neurogenic Etiologies (3)

A
  1. Congenital (Huntington’s)
  2. Lesion/tumor/disease (dysarthrias, stroke, cancer)
  3. Trauma (TBI, n. trauma)
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15
Q

Neurogenic Disorders (3)

A
  1. LMN
  2. UMN
  3. Mixed
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16
Q

LMN Neurogenic Disorders (4)

A
  1. VF paralysis
  2. MG
  3. Guillaine-Barre
  4. Flaccid dysarthria
17
Q

UMN Neurogenic Disorders (4)

A
  1. Spastic dysarthria
  2. Hypokinetic dysarthria (PD)
  3. Hyperkinetic dysarthria (SD-spasmatic disorder, essential tremor)
  4. Ataxic dysarthria
18
Q

Mixed Neurogenic Disorders (3)

A
  1. ALS
  2. TBI
  3. MS
19
Q

Characteristics of LMN involvement

A
  1. Flaccidity
  2. Weakness
  3. Reduced m. contraction
  4. Reduced ROM
20
Q

Characteristics of Spastic Dysarthria (4)-UMN

A
  1. Spasticity/hypertonicity
  2. Strain/strangle
  3. Short phonation time
  4. Monopitch
21
Q

Characteristics of Hypokinetic Dysarthria (PD) (4)-UMN

A
  1. Rigidity
  2. Bradykinesia
  3. Limited ROM
  4. Resting tremor
22
Q

Characteristics of Hyperkinetic Dysarthria (HD) (2)-UMN

A
  1. Uncontrolled movements

2. Strain/strangle

23
Q

Characteristics of Ataxic Dysarthria (5)-UMN

A
  1. Cerebellar lesion
  2. Prosodic slowdown
  3. Resonance changes
  4. Inarticulation
  5. “Intoxicated”
24
Q

Characteristics of Mixed Dysarthria

A

1.Mix of dysarthria types (usually spastic & flaccid)

25
Q

ALS

A

UMN and LMN affected

26
Q

MS

A

Myelin sheath degeneration

27
Q

TBI

A

Variable

Voice Disorders Exam 1 (5 decks)

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