Exam 23: The Respiratory System

Which of the following is an inhalation followed by many short convulsive exhalations during which the rima glottidis remains open and the vocal folds vibrate,accompanied by characteristic facial expressions?

When blood pH drops,the amount of oxyhemoglobin _____ and oxygen delivery to the tissue cells _____.

Which structure is located anterior to the esophagus and carries air to the bronchi?

Which of the following is the sum of the residual and the expiratory reserve volume?

What are lines C pointing to?

An individual suffers a blood clot in an artery that delivers blood to his leg.The leg begins to take on a blue hue,becomes colder than the rest of his body and he experiences numbness in the leg.He is most likely experiencing

Which of the following are cells of the alveoli that produce surfactant?

If each hemoglobin molecule has bound 3 oxygen molecules,the hemoglobin is considered to be saturated at what percentage?

Which of the following is NOT a factor that determines the rate of pulmonary and systemic gas exchange?

Which letter represents the primary gas exchange structure?

Which area in the figure represents a very deep exhalation,much greater than the tidal volume?

Which area in the figure represents the volume of air remaining in the lungs after a deep exhalation?

Which of the following is NOT a factor that the rate of pulmonary and systemic gas exchange depends on?

Which of the following is a deep inhalation through a widely opened mouth producing an exaggerated depression of the mandible,the precise cause of which is unknown?

Which cell secretes surfactant?

Which of the following is NOT part of the upper respiratory system?

What is line D pointing to?

Where is the terminal bronchiole?

The point where the trachea divides into right and left primary bronchi is a ridge called

What lines are pointing to tertiary bronchi?