Flashcards in chapter 22 Deck (19):
Which of the following is NOT involved in respiration?
The respiratory zone is composed of the trachea and the paranasal sinuses.
Which of the following are the hairs within the nasal cavity that filter coarse particles, such as pollen and dust, from inspired air?
_________ is the inflammation of the nasal mucosa accompanied by excessive mucus production, nasal congestion, and postnasal drip.
Which of the following lists the regions of the pharynx from superior to inferior?
nasopharynx, oropharynx, laryngopharynx
The __________ is covered by a mucosa containing taste buds and keeps food out of the lower respiratory passages.
The bronchial, or respiratory, tree branches approximately 23 times within the lungs.
The __________ are the main site of gas exchange within the lungs.
The two lungs differ in shape and size.
The __________ is the elastic connective tissue found within the lungs.
__________, or lung collapse, is a homeostatic imbalance that occurs when a bronchiole becomes plugged.
Which of the following occurs during infant respiratory distress syndrome (IRDS)?
The baby is unable to keep his or her alveoli inflated between breaths because of a lack of surfactant.
Henry's law states that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture.
Henry's law states that when a gas is in contact with a liquid, that gas will dissolve in the liquid in proportion to its partial pressure.
Which form of hypoxia occurs when body cells are unable to use O2 even though adequate amounts are delivered? (This type of hypoxia is usually the consequence of metabolic poisons, such as cyanide.)
Which form of CO2 transport accounts for the greatest amount of CO2 transported in blood?
as bicarbonate ions in plasma
The increase in ventilation in response to metabolic needs is called __________.
Emphysema is distinguished by permanent enlargement of the alveoli and loss of lung elasticity.