1. Both carbon dioxide and oxygen are able to bind with hemoglobin.
1. True
b. Hypoventilation is associated with decreased PCO2.
1. False
b. The breathing rate is determined by input from that monitor oxygen,
carbon dioxide, and pH levels in the blood.
1. Chemoreceptors
b. Lung is the term used to describe the ease or difficulty with which the
lungs can be inflated.
1. Compliance
b. During expiration, air moves out of the lungs as the chest muscles relax
and the chest cavity becomes smaller.
1. True
b. Intrapleural pressure is always negative in relation to alveolar pressure
in a normal inflated lung.
1. True
b. Intrathoracic pressure is always greater than intrapleural pressure.
1. False
b. Collagen fibers make lung inflation easier.
1. False
b. Lung volumes can be measured using a .
1. Spirometer
b. is the flow of blood in the adjacent pulmonary capillaries.
1. Perfusion
b. Asthma is characterized by each of the following except:
1. Loss of elastic lung fibers
2. Airway obstruction
3. Bronchial hyperresponsiveness
4. Airway inflammation
b. Each of the following are TRUE of emphysema except:
1. Alveoli have decreased elastic recoil
2. Hyperinflation and air trapping
3. Airways are hyperreactive
4. Alveolar walls are destroyed
b. People with chronic bronchitis would exhibit each of the following except:
1. Cyanosis
2. Fluid retention
3. Barrel-chest
4. Frequent infections
b. Each of the following are TRUE of ARDS except:
1. Chest x-ray shows a “white-out”
2. Presents with decreased respiratory rate
3. Decreased surfactant function
4. Increased capillary permeability
b. A 10-year-old boy who is having an acute asthma attack is brought to the ER.
He is observed to be sitting up and struggling to breathe. His breathing is
accompanied by use of accessory muscles, a weak cough, and audible
wheezing sounds. His pulse is rapid and weak, and both heart and breath
sounds are distant on auscultation. His parents