Exam 23: The Respiratory System

Inhaling through the nostrils is preferred over the mouth because

Roughly ________ terminal bronchioles arise from each tertiary bronchus.

Tuberculosis results from an infection by the bacterium

Hemoglobin's affinity for oxygen when the BPG level is high is

Which of these changes does not occur at birth when an infant takes its first breaths?

Which direction does carbon dioxide move during internal respiration?

Which statement about the chloride shift is false?

During swallowing,the

A pair of ligaments covered by laryngeal epithelium that function in sound production are the

Each 100 ml of blood leaving the alveolar capillaries carries away roughly ________ ml of oxygen.

If the dorsal respiratory group of neurons in the medulla oblongata were destroyed bilaterally,

Blocking afferent action potentials from the chemoreceptors in the carotid and aortic bodies would interfere with the brain's ability to regulate breathing in response to

Functions of the nasal cavity include all of the following,except

Quiet breathing is to ________ as shallow breathing is to ________.

In the condition known as ________ the partial pressure of oxygen in the tissues is low.

Which of these descriptions best matches the term bronchiolar smooth muscle?

Damage to the type II pneumocytes of the lungs would result in

Which of the following factors would increase the amount of oxygen discharged by hemoglobin to peripheral tissues?

Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following question: -What is the relationship between the pressures at label "8"?

Which of the following statements about the trachea is false?