COMD 5070 EXAM SCRIPT WITH VERIFIED
QUESTIONS AND ANSWERS
●● How do you calculate the average air flow (volume velocity)
Answer: volume/time
●● What is a u-tube manometer
Answer: A tube in the shape of a 'U' that is used to measure pressure and
can be used to calibrate electronic equipment to measure pressure.
●● How does a u-tube manometer work?
Answer: Pressure will displace the water and the displacement can then
be measured by measuring the difference in height
●● What is a u-tube manometer best used for?
Answer: Calibrations of equipment and measuring static pressure
●● What are the limitations of a manometer
Answer: Measuring speech production where the pressure goes up and
down rapidly.
●● How do the rib cage and abdomen move as we speak
, Answer: -inhale: rib cage and abdomen expand
-exhale: rib cage and abdomen contract
●● What is subglottal pressure
Answer: Pressure that the lungs provide that go up the trachea to the
larynx.
●● What is subglottal pressure abbreviated as?
Answer: -P subscript s
-P subscript sub
●● Where is subglottal pressure measured?
Answer: directly below the larynx
●● How much subglottal pressure is enough for speaking?
Answer: normal speech: 5-7 cmH2O
very loud speech: 15-20 cmH2O
●● What is phonation threshold pressure
Answer: The pressure needed from the lungs to just get the vocal folds
to oscillate to produce the softest voice
●● What influences phonation threshold pressure
QUESTIONS AND ANSWERS
●● How do you calculate the average air flow (volume velocity)
Answer: volume/time
●● What is a u-tube manometer
Answer: A tube in the shape of a 'U' that is used to measure pressure and
can be used to calibrate electronic equipment to measure pressure.
●● How does a u-tube manometer work?
Answer: Pressure will displace the water and the displacement can then
be measured by measuring the difference in height
●● What is a u-tube manometer best used for?
Answer: Calibrations of equipment and measuring static pressure
●● What are the limitations of a manometer
Answer: Measuring speech production where the pressure goes up and
down rapidly.
●● How do the rib cage and abdomen move as we speak
, Answer: -inhale: rib cage and abdomen expand
-exhale: rib cage and abdomen contract
●● What is subglottal pressure
Answer: Pressure that the lungs provide that go up the trachea to the
larynx.
●● What is subglottal pressure abbreviated as?
Answer: -P subscript s
-P subscript sub
●● Where is subglottal pressure measured?
Answer: directly below the larynx
●● How much subglottal pressure is enough for speaking?
Answer: normal speech: 5-7 cmH2O
very loud speech: 15-20 cmH2O
●● What is phonation threshold pressure
Answer: The pressure needed from the lungs to just get the vocal folds
to oscillate to produce the softest voice
●● What influences phonation threshold pressure
