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15 questions
What is the total lung capacity (TLC)?
the total amount of oxygen in the lungs after a minimum inspiration
the amount of gas in the lungs after a maximum inspiration
the amount of gas in the lungs after a minimum respiration
the amount of oxygen in the bloodstream
Normally, what is the total lung capacity in adult males? Females?
4.2 L; 6 L
3 L; 6 L
6 L; 4.2 L
5 L; 3.2 L
What is the vital capacity?
the amount of gas that can be inhaled after a minimal inspiration
the amount of gas that can be exhaled after a minimal inspiration
the amount of gas that can be inhaled after a maximal inspiration
the amount of gas that can be exhaled after a maximal inspiration
What percent does the residual volume make up of the total lung capacity?
16%
60%
20%
40%
Which equation accurately represents what the vital capacity is equal to? VC=
TV+IRV+ERV
VC+RV
RV+ERV+TV
ERV+IRV
Which four are included in the lung capacities?
inspiratory capacity, FRC, VC, TV
FRC, VC, TLC, TV
inspiratory capacity, FRC, VC, and TLC
IRV, ERV, TV, TLC
What is the inspiratory capacity?
volume of air remaining after forced expiration
total amount of air breathed out
total amount of air movement
total amount of air breathed in
What is indirectly used to measure the functional residual volume?
nitric oxide
helium dilution
nitrogen washout
sulfur diphosphate
What are lung volumes and capacities measured by?
stethoscope
spirometry
thermometer
sphygmomanometer
What may occur without an increase in respiratory rate and tidal volume?
rise in pH
hypoxia
hypothermia
drop in pH
The number of breaths per minute is known as the
respiratory rate
tidal volume
respiratory zone
expiratory reserve volume
What is the name for the test that measures the rates and volumes of air movements?
Expiration Tests
Pulmonary Function Tests
Air Volume Tests
Inspiration Tests
What is the atmospheric pressure?
790 mm Hg
720 mm Hg
840 mm Hg
760 mm Hg
Minute ventilation is a product of what two factors?
respiratory volume and breathing rate
total lung volume and IRV
inspiration and functional volume
breathing rate and tidal volume
What is the air that remains in the conducting zone and never reaches the alveoli?
inspiratory volume
tidal volume
dead space volume
residual volume
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