Respiratory System Quiz

What is the primary function of the respiratory system?

• To regulate body temperature

• To supply the body with O2 and dispose of CO2

• To control blood pressure

• To aid in digestion

Which term describes the exchange of gases between the lungs and blood?

• Pulmonary ventilation

• Internal respiration

• External respiration

• Transport

What is pulmonary ventilation more commonly known as?

• Circulation

• Breathing

• Filtration

• Absorption

What does internal respiration refer to?

• The exchange of gases between the lungs and the atmosphere

• The exchange of gases between the blood in capillaries and the tissues

• The transport of gases from the lungs to the tissues

• The process of cellular respiration

Which of the following is NOT a function of the respiratory system?

• Olfaction

• Speech

• Digestion

• Transport of gases

What is the function of the structures listed under the "Respiratory System: Conducting Zone"?

• To transport nutrients to the cells

• To provide rigid conduits for air to reach the sites of gas exchange

• To filter blood

• To absorb food

Which of the following is not a structure of the Respiratory System's Conducting Zone?

• Pharynx

• Larynx

• Esophagus

• Trachea

Identify the structure labeled in the diagram where the trachea splits into two branches.

• Larynx

• Carina of trachea

• Pharynx

• Diaphragm

What is the name of the structure labeled in the diagram that prevents food from entering the respiratory tract?

• Trachea

• Larynx

• Esophagus

• Diaphragm

What is the primary function of the Respiratory Zone of the respiratory system?

• Regulation of blood pH

• Site of gas exchange

• Production of vocal sounds

• Protection from disease