Bob Beregowitz
Directly proportional to pressure.
Directly proportional to temperature.
Inversely proportional to pressure.
Inversely proportional to temperature.
Both directly proportional to pressure and directly proportional to temperature.
Movement of air into and out of the lungs.
Movement of dissolved gases from the alveoli to the blood.
Movement of dissolved gases from the blood to the interstitial space.
Movement of dissolved gases from the interstitial space to the cells.
Utilization of oxygen.
Remove carbon dioxide from the blood.
Supply oxygen to the blood.
Maintain adequate alveolar ventilation.
Remove air from dead air space.
Prevent gas exchange in the bronchioles.
Mm Hg.
Torr.
Cm H2O.
All of the above
None of the above
The partial pressure of oxygen in atmospheric air
The partial pressure of oxygen in the alveoli
The pressure and volume of a gas are equal.
As the temperature goes up, the pressure goes up.
The total gas pressure is equal to the sum of the partial pressures.
The concentration of dissolved gas is proportional to its partial pressure.
If the volume goes up, the pressure goes down.
Rectus abdominis
Internal intercostals
External intercostals
Diaphragm
Both rectus abdominis and external intercostals
P outside = P inside
P outside > P inside
P outside < P inside
P outside + P inside
P outside - P inside
Alveolar pressure
Intrapulmonary pressure
Subalveolar pressure
Subatmospheric pressure
Atmospheric pressure
P outside = P inside
P outside > P inside
P outside < P inside
P outside + P inside
P outside - P inside
Rectus abdominis
Internal intercostals
External intercostals
Diaphragm
Both rectus abdominis and internal intercostals
Air moves out of the lungs when the pressure inside the lungs is
Greater than the pressure in the atmosphere.
Equal to the pressure in the atmosphere.
Greater than intraalveolar pressure.
Less than intrapulmonic pressure.
They are equal.
Intrapulmonary pressure is greater than atmospheric.
Atmospheric pressure is less than intrapulmonary.
Atmospheric pressure is more than intrapulmonary.
Intrapulmonary pressure is less than atmospheric.
Sternocleidomastoid
Pectoralis minor
Scalenes
Serratus anterior
All of the above
Scalene
Diaphragm
Internal intercostal
External intercostal
Serratus anterior
The volume of the thorax increases.
The volume of the thorax decreases.
The volume of the lungs decreases.
The lungs shrink.
Expiration occurs.
Accessory muscle of expiration
Accessory muscle of inspiration
Primary muscle of inspiration
Contraction increases airway resistance
Affects lung compliance
Residual volume
Expiratory reserve volume
Inspiratory reserve volume
Tidal volume
Inspiratory capacity
Residual inhaled volume
Expiratory reserve volume
Inspiratory reserve volume
Enhanced tidal volume
Inspiratory capacity
Inspiration and expiration involve muscular contractions.
Inspiration is passive and expiration involves muscular contractions.
Inspiration involves muscular contractions and expiration is passive.
Inspiration and expiration are both passive.
None of the above
Tidal volume.
Inspiratory reserve volume
Expiratory reserve volume
Reserve volume.
Vital capacity.
Movement of air into and out of the lungs.
Amount of air reaching the alveoli each minute.
Movement of dissolved gases from the alveoli to the blood.
Movement of dissolved gases from the blood to the alveoli.
Utilization of oxygen by alveolar cells to support metabolism.
Decrease the partial pressure of carbon dioxide in the alveoli.
Decrease the rate of oxygen diffusion from the alveoli to the blood.
Increase the partial pressure of carbon dioxide in the alveoli.
Decrease the rate of carbon dioxide diffusion from the blood to the alveoli.
Hardly affect either the partial pressure or diffusion of gases.
Vital capacity
Respiratory minute volume
Pulmonary ventilation rate
Alveolar ventilation rate
External respiration rate
Respiratory minute volume
Inspiratory reserve volume
Expiratory reserve volume
Anatomical dead space
Forced vital capacity