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Ch. 26 and 27 (Respiratory System)
Terms in this set (55)
The ____ lung is shorter than the left as a result of the liver rising higher on that side.
What are the 3 lobes of the right lung?
superior, middle, inferior
What separates the superior from the middle lobe in the right lung?
What separates the middle from the inferior lobe in the right lung?
The ____ lung is taller and narrower as a result of the heart tilting to that side.
What is the name of the indentation on the left lung?
What are the two lobes of the left lung?
superior and inferior
What separates the two lobes of the left lung?
_____ is the serous membrane that covers the lung.
_____ adheres to the mediastinum, the inner surface of the rib cage, and the superior portion of the diaphragm.
_____ is the potential space between the pleurae of the lungs.
T or F: The is usually room between the two membranes of the lungs.
F; but there is pleural fluid
What are the functions of the pleurae and pleural fluid?
reduce friction, create pressure gradient, compartmentalize
What is the function of the pressure gradient created by the pleurae?
create pressure lower than atmospheric pressure to aid in lung inflation
What is the function of the compartmentalization created by the pleurae?
prevent spread of infection to other organs in the mediastinum
The ______ is in the head and neck. (head and neck)
upper respiratory tract
The _____ includes the organs of the thorax. (trachea through lungs)
lower respiratory tract
The ____ of the respiratory system functions in air flow and participates in no gas exchange.
The conducting division extends from the ____ to the ____.
____ lack cartilage and are 1mm or less in diameter.
Bronchioles divide into ____.
___ are the final branches of the conducting division.
Terminal bronchioles give off to two or more _____.
_____ have alveoli on their walls and are considered the beginning of the respiratory division.
respiratory bronchioles divide into ____.
alveolar ducts (2-10)
Alveolar ducts end in _____.
______ are grape like clusters of alveoli arrayed around a central space.
What is the central space between a cluster of alveoli?
What supplies the basket of capillaries that surrounds each alveolus?
_____ is the barrier between alveolar air and blood.
What is tidal volume?
volume of air exchanged during each normal breath
What is inspiratory reserve volume?
maximum volume of air that can be forcibly inhaled after tidal inspiration
What is expiratory reserve volume?
maximum volume of air that can be forcibly expired after tidal expiration
What is residual volume?
volume of air that remains in lungs after forced expiration
What is functional residual capacity?
total amount of air that normally remains in lungs after tidal expiration
What is the formula for functional residual capacity?
expiratory reserve volume+residul volume
What is inspiratory capacity?
total amount of air that can be inspired
What is the formula for inspiratory capacity?
tidal volume+inspiratory reserve volume
What is vital capacity?
total amount of exchangeable air
What is the formula for vital capacity?
tidal volume+ expiratory reserve volume+ inspiratory reserve volume
What is total lung capacity?
total amount of exchangeable and nonexchangeable air
What is the formula for total lung capacity?
tidal volume+ inspiratory reserve volume+ expiratory reserve volume+ residual volume
____ states that the pressure of a given quantity of gas is inversely proportional to its volume.
If lung volume increases, intrapulmonary pressure ____.
If lung volume decreases, intrapulmonary pressure ___.
_____ is a device that recaptures expired breath and records such variables as rate and depth of breathing, speed of expiration, and rate of oxygen consumption.
What is the normal amount of tidal volume?
What is the normal amount of expiratory reserve volume?
What is the normal amount of inspiratory reserve volume?
What is the normal amount of residual volume?
What is the normal amount of inspiratory capacity?
What is the normal amount of functional residual capacity?
What is the normal amount of vital capacity?
What is the normal amount of total lung capacity?
Label a spirograph.
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