Exam 1 Flashcards
primary muscle of respiration
diaphragm
direction diaphragm moves for inhalation
down
secondary muscles of respiration
intercostals, rectus abdominis, external oblique, internal oblique, tranversus abdominus
longer phase: inhalation or exhalation
exhalation
percentages between inhalation and exhalation
50/50
percentages of inhalation and exhalation when speaking
10/90
the volume of air inspired and expired when relaxed
tidal volume
air the remains in the lungs after maximum exhalation
residual volume
fraction of total lung capacity is left of the residual air
1/4
amount of air that that can be inspired after maximum expiration
vital capacity
only bone in the laryngeal area
hyoid
largest cartilage in the layrnx
thyroid
three layers of closure/folds
aryepiglottic, ventricular, true folds
cartilages the true folds connect to
thyroid and arytenoids
closed folds are
adducted
open folds are
abducted
pitch is aka
frequency
average male speaking frequency
120 Hz
average female speaking frequency
220 Hz
loudness is aka
intensity
needed to increase intensity
increased subglottic air pressure
all laryngeal muscles innervate by the same nerve except
cricothyroid
nerve that innervates the cricothyroid
superior laryngeal branch of vagus
branch of vagus that runs under the aortic arch
recurrent laryngeal nerve
parts of the resonating cavity
sinuses, oral cavity, pharynx
what closes to produce oral sounds
velopharyngeal wall
could obstruct the velopharyngeal area
enlarged adenoids or tonsils
total deciduous teeth
20