The functions of the respiratory system included __________
all answers are correct
Which of the following structures can allow gas exchange?
alveoli
Put the following structures in the correct order, going from the outermost to the innermost structure:
a. parietal pleura
b. chest wall
c. visceral pleura
d. intrapleural space
e. lungs
chest wall, parietal pleura, intrapleural space, visceral pleura, lungs
In a premature newborn with respiratory distress syndrome, lung compliance will likely improve with an increase in ___________
the amount of surfactant inside the alveoli
Which of the following is the lowest pressure at rest following a quiet expiration?
intrapleural
The direction and magnitude of air flow during breathing is determined by changes in _________ pressure
alveolar
The cells and structures that defend against bacteria and foreign particles entering the lungs include the __________
mucus escalator, goblet cells, and macrophages
Which of the following characteristics apply to gas exchange surfaces in the lungs?
large surface area, very thin membrane, and coated by surfactant
External respiration processes do not include ___________
the production of ATP by oxidative phosphorylation
John has an upper respiratory infection. this means that his infection is not in his _____________
lungs or trachea
The pleural fluid surrounding each lung ___________
helps the lungs adhere to the thoracic cage.
Arrange these airways in the order that a breath of inhaled air would encounter them:
a. larynx
b. trachea
c. pharynx
d. bronchioles
e. bronchi
pharynx, larynx, trachea, bronchi, and bronchioles
Type 1 alveolar cells __________
are simple squamous epithelial cells adapted for exchange
According to Boyle's law, ___________
the volume of a container of gas and the pressure of the gas within are inversely related
Which of the following statements is false?
the primary muscles involved in passive expiration are the internal intercostals and the abdominal muscles
Magnitude of lung volumes can depend on _________
gender, posture, and activity level
Which of the following statements about expiration is correct?
normally, expiration is a passive process
Alveolar ventilation refers to the movement of ____________
air into and out of the alveoli
Which of the following volumes is the volume that represents quiet breathing and normal breathing during an inspiratory and expiratory cycle?
tidal volume
The air in the lungs that will never be eliminated despite the efforts to eliminate it would be the __________
residual volume
The total amount of air that can be moved between the lungs and the atmosphere is known as the ___________
vital capacity
The total lung capacity is best described by the sum of __________
all lung volumes