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Speech Science > Quizzes 1-4 > Flashcards

Quizzes 1-4 Flashcards

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Biology 101 flashcards
1
Q

All of the following are biological functions of the larynx except:

protectig the respiratory system from food and liquid

providing a amechanism for gas exchange

increasing intrathoracic pressure during exertion, coughing, and other bodily functions

controlling airflow in and out of the lungs

A

providing a mechanism for gas exchange

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2
Q

during phonation the muscularly determined position fo the vocal folds is

open

closed

A

closed

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3
Q

the vocal folds can be considered elastic because:

they cannot be deformed

once deforemed they stay in teh new posion indefinitely

after being deformed they return to thier normal configuration

of their cellular composition

A

after being deformed they return to their normal configuration

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4
Q

ndamental frequency of adult males vocal fold vibration is

A

100 Hz

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5
Q

True or False

Although longer and more massive vocal folds vibrate more slowly than shorter and less massive vocal folds raising pitch in an individula speaker is achieved primarily through stretching the vocal folds

A

true

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6
Q

the muscles of medial compression are the (blank) and the (blank)

posterior coricoarytenoids, lateral cricoarytendoids

posterior cricoarytenoids, interarytenoids

throvocalis, psterior cricoarytenoids

lateral cricoarytenoids, interarytenoids

A

lateral cricoarytenoids, interarytenoids

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7
Q

In the body-cover model of the vocal folds the “body” is considered to be the

epithelium

lamina propria

thryoarytenoid mucle (thyrovocalis portion)

A

thyroarytenoid muscle (thyrovocalis portion)

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8
Q

in the Body-cover model of the vocal folds, during vibration the body and cover

have different vibratory properties

always bibrate ias a single unit

must be stiff

must be tightly coupled

A

have different vibratory poperties

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9
Q

The body-cover model explains why the periodic wave produced by the vocal fold vibratio is

simple

complex

contains only one frequency

low-frequency

A

complex

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10
Q

the laryngeal specturum consists of (blank)

a single frequency ie the fundamental frequency

the fundamental frequency plus whoe-number multiples ofhte fundamental frequency

the fundamental frequency plus intervals of 200 Hz

the fundamental frequency and series of subharmonics

A

the fundamental frequency plus whole-humber multiples of the fundamental frequency

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11
Q

If the period of a sound wave is .25 ms what is its frequency?

A

4000 Hz

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12
Q

True or False?

A single air molecule can travel for hundreds of yards in response to the movement of an osscilator

A

False

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13
Q

If the 5th Harmonic of a complex periodic wave has a frequency of 600 Hz, the fundmental frequncy of the wave is:

125

150

200

100

A

125 Hz

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14
Q

In a complex periodic wave each frequency component is a whole-number multile of the (blank) of the wave

A

fundamental frequency

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15
Q

Two sound waves of the same frequency but different amplitudes are produced in phase. If these waves were combined, the resulting sound wave would:

a. have a higher amplitude than the first, but a lower amplitude than the second
b. have a higher amplitude than either sound wave
c. be out of phase, and there fore have a lower amplitude then either original sound wave
d. be silence

A

have a higher amplitude than either sound wave

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16
Q

What does Fourier analysis do?

a. takes a complex aperiodic wave and reduces it to a set of frequency components int eh time domain (ie showing changes over time)
b. takes a complex periodic wave and reduces it to a time-varying intensity signal
c. takes a complex periodic wave and reduces it to a set of simple sine waves at their respective amplitudes
d. re-calculates a complex periodic wave into a frequency x time display

A

takes a complex periodic wave and reduces it to a set of simple sine waves at their respective amplitudes

17
Q

teh loudness ofa sound is objectively measured in dB, whichcan be based on physical measures of either intensity or pressure. Most individuals who study speech and/or hearing base dB on (blank)

intensity

pressure

A

pressure

18
Q

aperiodic complex waves contain (blank)

one frequency component

a fundamental frequency and multiple frequencies that are harmonically related

multiple frequencies that are not harmonically related

requencies that are 180 degrees out of phase

A

multiple frequencies that are not harmonically related

19
Q

in order to raise pich, the vocal folds must be stretched or elongated by the (blank) muscle

A

cricothyroid

20
Q

When attempting to increase the intesity (loudness) of phonation it is important to increase resistance/tension in the laryngeal muscles so that the aerodynamic force of (blank) can be increased

A

subglottal pressure

21
Q

The main muscles of the velopharyngeal closure are the (blank) and the (blank)

a. levator palatine, superior constrictor
b. middle constrictor, inferior constrictor
c. palatoglossus, palatopharyngeus
d. stylopharyngeus, salpingopharyngeus

A

levator palatine, superior constrictor

22
Q

True or False

The resonatign cavities of the vocal tract (with one excepton) are variable in size

A

true

23
Q

The extrinsic musle of the tongue most important for positioning the tongue correctly for the /i/ sound is:

styloglossus

hyoglossus

genioglossus

superior longitudinal

A

genioglossus

24
Q

The extrinsic muscle of the tongue most important for positioning the tongue correctly forhte /u/ sound is (blank):

styloglossus

hyoglossus

genioglossus

superior longitudinal

A

styloglossus

25
Q

Obicularis oris is most important in producing which vowel sound?

/i/

/u/

/a/

A

/u/

26
Q

True or False

Decreasing the air pressure in the lungs results in inhalation

A

True

27
Q

The pleural linkage causes:

rest breathing to occure

the pelvic adn pectoral girdles to support respiration

the ungs to expand or contract with rib cage and diaphragm movements

the medulla to be sensitive to concentrations of oxygen and carbon dioxide in teh blood

A

teh lunds to expand or contract with rib cage and diaphragm movements

28
Q
A

Speech Science (14 decks)

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