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25 Cards in this Set
- Front
- Back
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The production of all speech sounds is the result of _______.
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the airflow from the lungs.
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What are the movable parts with which the speaker can move to create sound?
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The vocal folds, Tongue, Jaw, Lips, and Soft Palate
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What are the three primary cavities that act as resonators?
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Mouth, pharynx, nasal
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How many phonemes exist in English?
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About 40
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What is Boyle's Law?
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Volume and pressure are inversely related; increasing volume decreases the air pressure within it.
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T/F: Unequalized pressures always equalize themselves if given the chance.
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True
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What are some of the anatomical features that bring air into the lungs?
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Larynx, trachea, bronchi, bronchioles, and passageways
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Where does the exchange of oxygen for carbon dioxide from the blood take place?
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In the small air sacs (alveoli) that compose the major part of the lungs.
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What takes place in the medulla oblongata in regards to respiration?
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A surplus of carbon dioxide and a need for oxygen is signaled. Then the medulla initiates nerve impulses from the brain and spinal cord to various muscles in the thorax or chest.
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The _____ is bounded by the vertebrae in the back and the sternum in the front.
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thorax
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For quiet inspiration, what does the diaphragm do?
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Flattens to form the floor of the thoracic cavity, which increases the thoracic volume.
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As the volume of the rib cage increases, the lung volume _____.
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also increases
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What serves as the conduit for the air inhaled for quiet inspiration?
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The upper airways
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What does the nasal cavity do for air upon quiet inspiration?
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Warms, moistens and filters the air
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T/F: During heavy exercise it is best to breathe out of your nose.
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False; mouth breathing increases the rate of air intake.
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What are the differences between quiet inspiration and speech breathing?
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Speech breathing needs more air volume; the degree of automaticity (more voluntary control for speech); less respiratory cycle
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During quiet breathing, inspiration takes up roughly ____% of the respiratory cycle and expiration ___%.
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40;60
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Inspiration for speech takes up about ___% of the respiratory cycle and expiration ____%.
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10;90
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For expiration, the pressure in the lungs is ____ to the atmospheric pressure.
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equal
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What are the three passive forces causing air to rush out for expiration?
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1. Elastic Coil
2. Torque 3. Gravity |
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What is the exchange of air like for quiet expiration? (Approximate amount in liters)
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0.5 liters; small amount
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Tidal Volume
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The amount of air exhanged during ins and outs of quiet respiration
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At rest, people take about ___ to ___ breaths per minute
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12 to 20
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Why are the actions for expiration for speech the same as the action of the inspiration muscles for sustained phonation?
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To check and control the rate of expiration.
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What are the chief abdominal muscles used in expiration?
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Rectus abdominis; external and internal obliques, and transverse abdominus
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