Exam 23: Respiratory System

Indicate the statement that describes respiratory function in a highly trained athlete at maximal exercise.

Gas exchange between the air and the blood takes place in the ________.

The largest of the laryngeal cartilages is ________.

Most O₂ is carried in the blood ________; but most CO₂ is ________.

Oxygen diffusion from the alveolus to the pulmonary capillary occurs because

Oxygen and carbon dioxide are exchanged across the respiratory membrane by the process of ________.

The pitch of the sound produced by the vocal folds is controlled by the

If you exercise with enough intensity that the blood pH is changed, you have exceeded the ________.

Which of the following are mechanisms to prevent food from entering the larynx? (Check all that apply.)

When people aspirate liquids or food into their lungs, the liquid or food most commonly enters the right lung rather than the left lung. This is because the right primary bronchus is ________ than the left primary bronchus.

The posterior wall of the trachea contains smooth muscle called the ________ muscle.

A protective function of the respiratory system would be

Ventilation refers to the

Use the table to determine the best answer. -Which of the patients above is suffering from emphysema?

For air to flow into or out of the lungs, there must be

The serous membranes that surround the lungs are called the ________ membranes.

What is the function of the ciliated epithelium of the tracheobronchial tree?

Gas exchange between the air in the lungs and the blood takes place in the ________.

The trachea

Which type of alveolar cells produce surfactant?