Functional residual capacity is ________
A) the amount of air that is normally inspired or expired
B) the volume of air remaining in the lungs after a normal expiration
C) the maximum volume of air that can be forcefully exhaled after a normal expiration
D) the volume of air remaining in the lungs after forceful expiration
B
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What are the three types of media influence? Give an example of each.
What will be an ideal response?
Which of the following does not occur during expiration when a person is breathing quietly?
a. The size of the thoracic cavity is reduced. b. The intra-alveolar pressure becomes greater than atmospheric pressure. c. Air flows out of the lungs. d. The expiratory muscles contract. e. Intrapleural pressure remains less than intra-alveolar pressure.
If there is an increase in extracellular K+ ion concentration, the result is
A) depolarization of the plasma membrane. B) hyperpolarization of the plasma membrane. C) little, if any, change in the resting membrane potential of the plasma membrane. D) all of the above
On axial CT images, the ____________________ lobe of the liver is immediately anterior to, and wraps around, the inferior vena cava (IVC).
Fill in the blank(s) with the appropriate word(s).