Chapter 15: Voice disorders Flashcards

1
Q

What is the space between the vocal folds called?

A

glottis

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2
Q

What is the space above the vocal folds, below the base of the tongue called?

A

supraglottal area

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3
Q

What is the space below the true vocal folds called?

A

Infraglottal area

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4
Q

What is the aditus?

A

the opening of the larynx

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5
Q

What is the space between the false folds & the aditus called?

A

Laryngeal vestibule

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6
Q

What are the 3 layers of the VF?

A
  1. Cover- includes the superficial layer of the lamina propria
  2. Transition- intermediate & deep layer of the lamina propria
  3. body- thyroarytenoid muscle
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7
Q

Which nerve serves the larynx?

A

CN X- vagus

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8
Q

What is the vital capacity?

A

the amount of air available for use when lungs are inflated maximally

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9
Q

What is the Bernoulli effect?

A

occurs when a flow of air meets a constriction. This results in an increase in the airflow rate through the constriction balanced by an air pressure decrease at the point of constriction. This decrease in air pressure creates a suction effect & pulls the VF back towards one another

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10
Q

When does vibration of the VF occur?

A

the VF are in the adducted position & airflow from the lungs causes repeated opening & closing- results in voicing

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11
Q

What is phonation?

A

the degree of VF opening during speech production

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12
Q

What is fundamental frequency?

A

the number of time per second the VF open & close during voicing

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13
Q

Frequency is the inverse of what measure?

A

period

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14
Q

What determines fundamental frequency?

A

vocal fold mass & stiffness

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15
Q

What is jitter?

A

the varying in frequency (pitch) from one cycle to the next

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16
Q

what is shimmer?

A

the varying in amplitude (intensity) from one cycle to the next

17
Q

What is maximum phonation time?

A

the maximum time a subject can produce a vowel following deep inhalation