Exam 13: The Respiratory System

Administering O₂ to patients with severe chronic lung disease will not depress their drive to breathe.

Bronchodilation of the air passages involves the ____ of their smooth muscle and the ____ of their radius.

Carbon dioxide is transported in the blood in all the following ways except

The entire sequence of events involved in the exchange of O₂ and CO₂ between the body cells and the surrounding environment is known as

____________________ is the inflammation of the pleural sac.

The lungs are held against the thoracic wall due to

The factor in the arterial blood that has the largest effect on increasing the rate of respiration is

Without pulmonary surfactant,

____________________ refers to a ventilation rate that exceeds the metabolic needs of the body.

Which factor would reduce the amount of oxygen transfer across the respiratory membrane?

The intrapulmonary pressure

When a person is experiencing an asthma attack, his/her FEV₁ would be ________(higher or lower?) than normal.

Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. a.vital capacity b.respiratory rate c.FEV1 d.tidal volume e.residual volume f.total lung capacity g.functional residual capacity h.alveolar ventilation i.pulmonary ventilation j.inspiratory reserve volume k.expiratory reserve volume l.inspiratory capacity m.anatomic dead space volume -Breaths/minute

O₂ moves from regions of low partial pressure to regions of high partial pressure.

The DRG consists mostly of __________________ (inspiratory or expiratory) neurons.

As the resistance of the air passages increases, the airflow through them _______________ (increases or decreases?) if the pressure gradient remains constant.

The _______________ serves as the largest respiratory airway of the respiratory system, and the ______________ are the gas-exchanging portion.

Use this figure to answer the corresponding questions. -Number ____ identifies the ____________________, which is the maximum amount of air that can be exhaled after maximum inhalation.

Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. a.vital capacity b.respiratory rate c.FEV1 d.tidal volume e.residual volume f.total lung capacity g.functional residual capacity h.alveolar ventilation i.pulmonary ventilation j.inspiratory reserve volume k.expiratory reserve volume l.inspiratory capacity m.anatomic dead space volume -Respiratory rate x tidal volume

The respiratory quotient is