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Speech Science > Lecture 1 > Flashcards

Lecture 1 Flashcards

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1
Q

What is Speech Science?

A

Study of :

anattomy and physiology of speech production

processes by which speech is perceived

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2
Q

What will we study about the respiratory system?

A

students demonstrate the ability to apply basic anatomical and physiological concepts relating to

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3
Q

What do we study about the phonatory system

A

demonstrate the ability to apply basic anatomical and physiological concepts relating it and to normal aspects of phonation adn speech

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4
Q

What will we study about the articulatory system?

A

The sudent will demonstrate teh ability to apply basica natomical and physiological concepts relating to the articulatory system to normal aspects of speech

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5
Q

According to Boyle’s Law what kind of pressure is ther when the lungs expand?

A

it creates a negative pressure in the lungs

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6
Q

What happens during inhalation?

A

air flows into the lungs equalizing pressure

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7
Q

According to Boyle’s law what happens when there is exhalation?

A

the collapse of the lungs creates a positive pressure

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8
Q

What is the skeletal structure of teh respiratory system?

A

Vertebral Column

Pectoral Girdle

Sternum

Ribs

Pelvic Girdle

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9
Q

What are teh parts of the Pectoral Girdle?

A

scapulae

clavicle

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10
Q

What are the parts of the ribs?

A

they join to the vertebral column at the back

upper ribs join sternum at fron via cartilage

lower (floating) ribs connect to vertebrae only

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11
Q

What are the parts of the pelvic girdle?

A

Illium

Ischium

Pubis

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12
Q

What connects the lungs to the rib cage and diaphragm?

A

The pleural linkage

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13
Q

What muscles are:

important in elevating/ moving the lungs?

the most superficial muscle?

run downward toward the sternum?

A
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14
Q

What muscles when contracted aids in inhalation?

A

external intercostal muscles

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15
Q

What muscle is needed for inhalation?

A

external intercostal muscles

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16
Q

What muscles

run downward away from the sternum?

connect both osseous and cartilaginous portions of ribs

A

internal intercostal muscles

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17
Q

What do the interosseus portions of the internal intercostal muscles do?

A

lower and compress rib case

Exhalation

18
Q

What do the interosseus portion sof the internal intercostal muscles do?

A

exhalation

19
Q

What do the interchodral portions of the internal intercostal muscels do?

A

raise and expand the rib cage

ihalation

20
Q

What do the interchondral portions of the internal intercostal muscles do?

A

inhalation

21
Q

What part of the barin sends commands to the inspiratory muscles for quiet breathing?

A

the medulla

22
Q

What happens when the diaphragm contracts?

A

the thoracic cavity exapnds vertically downward

23
Q

What is the percentage of breath needed for inspiration of speech breathing?

A

10%

24
Q

What percentage of speech breathing is needed for expiration?

A

90%

25
Q

What are the accesory muscles of inspiration?

A

Serratus posterior superior

levator costarum longus

levator costarum brevis

serratus posterior inferior

quadtratus lumborum

26
Q

What are the percentages of inspiration and expiration needed for quiet breathing?

A

40% inhalation

60% expiration

27
Q

What are the abdominal muscles of expiration?

A

transverse abdominis

internal oblique abdominis

external abdominal oblique

rectus abdominis

28
Q

What do the muscles of expiration do?

A

work to compress abdominal viscera

29
Q

What is tidal volume?

A

the amount of air exchanged (in and out) during a cycle of quiet breathing

30
Q

What is vital capacity?

A

the amount of air exchanged in maximum inspiration and maximun expiration

31
Q

What is risidual volume?

A

the amount of air left in the lungs after teh maximum possible exhalation.

** because of pleural linkage there will always be some air left in the lungs**

32
Q

What is the total lung volume?

A

vital capacity + residual volume

33
Q

What is the resting lung volume?

A

percent of vital capacity at which the forces of lung collapse are equaled by the forces of chest wall expansion occuring at ~38-40% of VC (vital capacity)

34
Q

What is inspiratory reserve volume?

A

the amount of air that can be inhaled from RLV

35
Q

What is expiratory reserve volume?

A

amount of air that can be exhaled from RLV

36
Q

What is the formula for vital capacity?

A

IRV + ERV

37
Q

At what lung volumes does the chest wall want to passively collapse at?

A

55% VC and greater

38
Q

At what lung volumes does the chest wall want to passively expand at?

A

55% VC and less

39
Q

At what percentages VC does the respiratory system balance at?

Why does this happen?

A

38-40% VC

Because at this level the forces of lung collapse and the forces of chest wall expansion equal each other

40
Q

What happens when there is increased subglottal pressure?

A

there is an increase in intensity

41
Q

What muscles help to raise the Ps (subglottal pressure)?

A

internal intercostal muscles

42
Q

With greater what? Comes greater intensity?

A

subglottal pressure

Speech Science (14 decks)

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