Chapter 3 Study Questions Flashcards
Which of the following is the primary source of respiration?
a. Provides the means of gas exchange between an organism and its environment
b. Provides a source for phonation
c. Provides the energy source for speech
d. None of the above
A. Provides the means of gas exchange between an organism and its environment
In respiration, which of the following structures undergoes torquing?
a. Vertebrae
b. Chondral portion of rib
c. Costal portion of rib
d. a & b
e. b & c
B. Chondral portion of rib
What forces cause the rib cage to return to resting position following elevation of the rib-cage?
a. Elasticity
b. Gravity
c. Kinetic energy
d. a & b
e. a & c
D. Elasticity and gravity
Adults have larger respiratory capacity than infants. which reason best explains this capacity difference?
a. An adult has a larger thorax
b. The adult lung is stretched to fill the thorax
c. The adult can voluntarily expand his or her lungs
d. a & b
e. a & c
D. an adult has a larger thorax and the adult lung is stretched to fill the thorax
Which of the following statements best describes what happens during inspiration?
a. The muscles within the lungs contract, causing air to leave them.
b. The muscles within the lungs relax, permitting air to enter the lungs
c. The muscles of inspiration contract, causing the thorax to increase in volume.
d. The muscles of the abdomen relax, allowing expansion of the diaphragm into the
abdominal space
e. Both c & d
e. Both c & d
The muscles of inspiration contract, causing the thorax to increase in volume. AND the muscles of the abdomen relax, allowing expansion of the diaphragm into the abdominal space
Respiratory pressure is measured using which of the following?
a. Goniometer
b. Spirometer
c. Calorimeter
d. Manometer
D. Manometer
The rate of flow of respiration is measured using which of the following?
a. Spirometer
b. Manometer
c. ECG monitor
d. Volt meter
A. Spirometer
Which of the following refers to the process of moving air through the respiratory system?
a. Respiration
b. Velarization
c. Ventilation
d. Nasalization
C. Ventilation
What characteristic of cartilage makes it appropriate and beneficial for use in the
respiratory passageway?
a. Cartilage is highly elastic.
b. Cartilage is easily transformed to bone.
c. Cartilage resists distension.
d. a & c
e. b & c
A. Cartilage is highly elastic
Approximately how many cubic centimeters of air is exchanged during quiet tidal respiration, on average?
a. 250 cc
b. 525 cc
c. 750 cc
d. 1000 cc
b. 525 cc
By what age do the lungs have their full complement of alveoli?
a. 8 years
b. 2 years
c. 16 years
d. 20 years
a. 8 years
What best describes the rate of respiration for an adult?
a. 40 – 70 breaths per minute
b. 40 – 50 breaths per minute
c. 70 – 90 breaths per minute
d. 12 - 18 breaths per minute
d. 12-18 breaths per minute
Which of the following best describes the difference between volumes and
capacities?
a. Capacities refer to combinations of volumes that express physiological limits.
b. Volumes are discrete, whereas capacities represent functional combination of volumes.
c. Both a & b
d. None of the above
C. Both a & b
Capacities refer to combinations of volumes that express physiological limits & volumes are discrete, whereas capacities represent functional combination of volumes
The amount of air we breathe during a respiratory cycle is referred to as _______
tidal volume
A single cycle of quiet tidal volume will involve approximately
__________________ cc of air for the average adult male.
600 cc
_____________________ is that volume that can be inhaled after a tidal
inspiration.
Inspiratory reserve volume
The volume of air that can be exhaled following tidal expiration is termed
_________________________.
Expiratory reserve volume
The volume of air remaining in the lungs following complete expiration is termed
_________________________
Residual volume
________________ Capacity is the combination of Inspiratory Reserve Volume, Expiratory Reserve Volume, and Tidal Volume.
Vital
________ is the combination of Inspiratory Reserve Volume and Expiratory Reserve Volume.
Functional Residual Capacity
____ Capacity is the total of Inspiratory Reserve Volume, Expiratory Reserve Volume, Tidal Volume and Residual Volume.
Total lung
Atmospheric pressure is approximately __________ mm Hg
760
The pressure that can be measured within the mouth is called
__________ pressure
intraoral or mouth