Exam 15: Respiratory System

Inspiration results because air pressure in the

Carbonic anhydrase is an enzyme that speeds up the combination of

What is the term for the nerve that carries impulses to the diaphragm?

What is the term for the first,or uppermost,portion of the lower respiratory tract?

Layers through which gases must diffuse in external respiration include those listed below.What is the correct sequence of these layers for oxygen diffusion in external respiration? 1)basement membrane of capillary epithelium 2)epithelium of alveolar wall 3)interstitial space 4)thin layer of fluid lining the alveolus 5)basement membrane of alveolar epithelium 6)epithelium of capillary wall

Intrapleural pressure is the pressure of the air in the

All of the following are part of the upper respiratory tract EXCEPT

Increased carbon dioxide concentration favors oxygen unloading.

The support for the tracheal wall comes from rings of fibrocartilage.

About 70% of the carbon dioxide is transported

Generally speaking,lung volume is _____ in women than in men and _____ in slender people than in obese people.

Cigarette smoke and other air pollutants inhibit the _____ the trachea.

The largest cartilage of the larynx,commonly called the Adam's apple,is the

Most of the carbon dioxide molecules combine with water to form carbonic acid within the

What is the term for the bony ridges that project medially from the lateral wall of the nasal cavity?

When the diaphragm contracts,thoracic volume _____ and intrapulmonary pressure _____.

What is the term for the laryngeal cartilage that covers the opening of the larynx during swallowing?

What is the number of secondary,or lobar,bronchi to the right lung?

What is the term for the openings from the nasal cavity into the nasopharynx?

Breathing is controlled by the respiratory centers located in the