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Bio 211: Exam 2: Chapter 22 Q&A
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13
Biology
03/25/2011

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Term
The nasal cavity is divided by the nasal septum into right and left
Definition
fossae
Term
The largest air passages that engage in gas exchange with the blood are
Definition
the respiratory bronchioles
Term
Respiratory arrest would most likely result from a tumor of the
Definition
medulla oblongata
Term
Which of these values would normally be the highest?
Definition
vital capacity
Term
According to _____, the warming of air as it is inhaled helps to inflate the lungs.
Definition
Charle's law
Term
Poor blood circulation causes _____ hypoxia.
Definition
ischemic
Term
Most of the CO2 that diffuses from the blood into an alveolus comes from
Definition
carbonic acid
Term
The duration of an inspiration is set by
Definition
the pneumotaxic center
Term
The great alveolar cells secrete a phospholipid-protein mixture called _____.
Definition
pulmonary surfactant
Term
Intrapulmonary pressure must be lower than _____ pressure for inspiration to occur.
Definition
atmospheric
Term
_____ disorders reduce the speed airflow through the airway.
Definition
obstructive
Term
Some inhaled air does not participate in gas exchange because it fills the _____ of the respiratory tract.
Definition
anatomical dead space
Term
Inspiration depends on the ease of pulmonary inflation, called _____, whereas expiration depends on _____, which causes pulmonary recoil.
Definition
compliance, elasticity