Respiratory System Pretest

Front

How many lobes are in the right lung?

Back

3

Front

What does the suffix 'capnia' refer to in medical terminology?

Back

carbon dioxide

Front

What is the process called when the diaphragm contracts and enlarges the thoracic cavity?

Back

Inspiration/inhalation

Front

What is the common name for the pharynx?

Back

throat

Front

What is the term for the exchange of oxygen and carbon dioxide between the blood and tissues?

Back

respiration

Front

What are the two main functions of the respiratory system?

Back

Gas exchange and regulation of blood pH.

Front

What is the primary muscle involved in breathing?

Back

Diaphragm

Front

What is the role of alveoli in the respiratory system?

Back

They are the sites of gas exchange.

Front

What is the difference between external respiration and internal respiration?

Back

External respiration is the exchange of gases between the atmosphere and the blood; internal respiration is the exchange of gases between the blood and body tissues.

Front

What is the function of the trachea in the respiratory system?

Back

It serves as the airway that connects the larynx to the bronchi.