SPAUD-521 Final Exam Notes with
verified solutions
Boyle's Law - correct answer ✔✔increase in volume and decrease in pressure
inverse relationship between air pressure and volume size
Age Related Changes - correct answer ✔✔stiffness of structures
muscle weakness/atrophy
degeneration of nerve fibers & sensory receptors
less efficient exchange of gasses
Suprahyoid muscles - correct answer ✔✔anterior belly of digastric
posterior belly of digastric
geniohyoid
mylohoid
Infrahyoid muscles - correct answer ✔✔omohyoid
sternohyoid
sternothyroid
thyrohyoid
Posterior cricoarytenoid - correct answer ✔✔only abductor muscle
abductor of VFs & opening of glottis
Lateral Cricoarytenoid - correct answer ✔✔Adductor role
stiffens VFs
,Interarytenoid - correct answer ✔✔Transverse arytenoid: adduction of VFs & approximates arytenoids
Oblique arytenoids: adduction of VFs & closing post glottis
Thyroarytenoid - correct answer ✔✔Thyrovocalis: tenses the VFs
Thyromuscularis: relaxes the VFs & add VFs
Cricothyroid - correct answer ✔✔Pars recta: tilts thyroid & tenses VFs
Pars oblique: draws thyroid forward & tenses VFs
Layers of VFs - correct answer ✔✔epithelium
superficial lamina propria
intermediate lamina propria
deep lamina propria
vocalis muscle
Myoelastic Aerodynamic Theory - correct answer ✔✔theory of phonation
TFVs: sound generator by vibrating the air through the larynx from the lungs
sound wave set up in the VT
voice production, interaction of muscle, tissue elasticity, air pressure/flows
Principles of VF vibration - correct answer ✔✔adduction of VFs
increase in subglottal pressure
separation of VFs
release of air
adduction of VFs
Phonation threshold - correct answer ✔✔minimum pressure required to sustain VF vibration
sound - correct answer ✔✔a stimulus capable of producing audible sensation
,types of vocal attack - correct answer ✔✔breathy/aspirate
glottal
simultaneous
Vocal registers - correct answer ✔✔falsetto
modal
glottal fry
pitch increases muscle - correct answer ✔✔cricothyroid
pitch decreasing mechanism - correct answer ✔✔thyromuscularis
biomechanical determinates of VF vibration- Pitch - correct answer ✔✔VF length
VF mass
VF tension
biomechanical determinates of VF vibration- Loudness - correct answer ✔✔subglottal pressure
medial compression of VFs
duration, speed, degree of VF closure
biomechanical determinates of VF vibration- Quality - correct answer ✔✔glottal source
resonant characteristics of VT
Types of vocal quality - correct answer ✔✔breathy- incomplete glottal closure
rough- aperiodic VF vibration
strained- considerable medial compression of VFs
harsh- strain plus rough
hoarse (broad term)
, types of voice disorders - correct answer ✔✔functional
neurological
organic
phonotruamatic behaviors - correct answer ✔✔smoking
coughing/throat clearing
excessive alcohol intake
sleep deprivation
vocal load
vocal fatigue
vocal intensity
poor nutrition
allergies/ other irritants
Phonotruamatic tx - correct answer ✔✔environmental humidity
systemic hydration
steam inhalation
topical hydration
hydration summary
voice rest
communication patterns
Functional Voice disorders causes - correct answer ✔✔MTD
psychogenic origin
MTD - correct answer ✔✔persistent dysphonia
hyperfunctional vibratory pattern
associated w/: elevated laryngeal posiiton, increase extrinsic laryngeal muscle tension
verified solutions
Boyle's Law - correct answer ✔✔increase in volume and decrease in pressure
inverse relationship between air pressure and volume size
Age Related Changes - correct answer ✔✔stiffness of structures
muscle weakness/atrophy
degeneration of nerve fibers & sensory receptors
less efficient exchange of gasses
Suprahyoid muscles - correct answer ✔✔anterior belly of digastric
posterior belly of digastric
geniohyoid
mylohoid
Infrahyoid muscles - correct answer ✔✔omohyoid
sternohyoid
sternothyroid
thyrohyoid
Posterior cricoarytenoid - correct answer ✔✔only abductor muscle
abductor of VFs & opening of glottis
Lateral Cricoarytenoid - correct answer ✔✔Adductor role
stiffens VFs
,Interarytenoid - correct answer ✔✔Transverse arytenoid: adduction of VFs & approximates arytenoids
Oblique arytenoids: adduction of VFs & closing post glottis
Thyroarytenoid - correct answer ✔✔Thyrovocalis: tenses the VFs
Thyromuscularis: relaxes the VFs & add VFs
Cricothyroid - correct answer ✔✔Pars recta: tilts thyroid & tenses VFs
Pars oblique: draws thyroid forward & tenses VFs
Layers of VFs - correct answer ✔✔epithelium
superficial lamina propria
intermediate lamina propria
deep lamina propria
vocalis muscle
Myoelastic Aerodynamic Theory - correct answer ✔✔theory of phonation
TFVs: sound generator by vibrating the air through the larynx from the lungs
sound wave set up in the VT
voice production, interaction of muscle, tissue elasticity, air pressure/flows
Principles of VF vibration - correct answer ✔✔adduction of VFs
increase in subglottal pressure
separation of VFs
release of air
adduction of VFs
Phonation threshold - correct answer ✔✔minimum pressure required to sustain VF vibration
sound - correct answer ✔✔a stimulus capable of producing audible sensation
,types of vocal attack - correct answer ✔✔breathy/aspirate
glottal
simultaneous
Vocal registers - correct answer ✔✔falsetto
modal
glottal fry
pitch increases muscle - correct answer ✔✔cricothyroid
pitch decreasing mechanism - correct answer ✔✔thyromuscularis
biomechanical determinates of VF vibration- Pitch - correct answer ✔✔VF length
VF mass
VF tension
biomechanical determinates of VF vibration- Loudness - correct answer ✔✔subglottal pressure
medial compression of VFs
duration, speed, degree of VF closure
biomechanical determinates of VF vibration- Quality - correct answer ✔✔glottal source
resonant characteristics of VT
Types of vocal quality - correct answer ✔✔breathy- incomplete glottal closure
rough- aperiodic VF vibration
strained- considerable medial compression of VFs
harsh- strain plus rough
hoarse (broad term)
, types of voice disorders - correct answer ✔✔functional
neurological
organic
phonotruamatic behaviors - correct answer ✔✔smoking
coughing/throat clearing
excessive alcohol intake
sleep deprivation
vocal load
vocal fatigue
vocal intensity
poor nutrition
allergies/ other irritants
Phonotruamatic tx - correct answer ✔✔environmental humidity
systemic hydration
steam inhalation
topical hydration
hydration summary
voice rest
communication patterns
Functional Voice disorders causes - correct answer ✔✔MTD
psychogenic origin
MTD - correct answer ✔✔persistent dysphonia
hyperfunctional vibratory pattern
associated w/: elevated laryngeal posiiton, increase extrinsic laryngeal muscle tension
