Question 1

Which of the following processes is responsible for the movement of air into and out of the lungs during breathing?

Accepted Answer

Pulmonary ventilation

Question 2

During which process does the exchange of oxygen and carbon dioxide occur between the lungs and the blood?

Accepted Answer

External respiration

Question 3

Which anatomical structure is NOT part of the upper respiratory system?

Accepted Answer

Trachea

Question 4

What is the primary function of the vibrissae located in the nasal vestibule?

Accepted Answer

To filter coarse particles from inspired air

Question 5

Which of the following best describes the role of the nasal conchae during inhalation?

Accepted Answer

They filter, heat, and moisten incoming air

Question 6

The nasal septum is formed anteriorly by ______ and posteriorly by ______.

Accepted Answer

septal cartilage; vomer bone and perpendicular plate of ethmoid bone

Question 7

Which of the following is a function of the paranasal sinuses?

Accepted Answer

They lighten the skull and help warm and moisten air

Question 8

Which region of the pharynx serves as a passageway for both food and air?

Accepted Answer

Oropharynx

Question 9

Which structure is responsible for producing sound as air rushes up from the lungs?

Accepted Answer

Vocal folds (true vocal cords)

Question 10

Which of the following is a correct function of the larynx?

Accepted Answer

It routes air and food into proper channels

Question 11

Which equation correctly represents Boyle's Law, relating pressure and volume in the lungs?

Accepted Answer

$$P_1$$ $$V_1$$ = $$P_2$$ $$V_2$$

Question 12

Which of the following is TRUE regarding the conducting zone of the respiratory system?

Accepted Answer

It includes structures that transport, cleanse, warm, and humidify air

Question 13

Which structure marks the beginning of the lower respiratory system?

Accepted Answer

Larynx

Question 14

Which of the following is a function of the pleurae?

Accepted Answer

They provide lubrication and surface tension to assist lung expansion

Question 15

Which of the following statements about the alveoli is CORRECT?

Accepted Answer

They are the main sites of gas exchange in the lungs

Question 16

Which of the following is NOT a function of the nose?

Accepted Answer

Produces surfactant

Question 17

Which anatomical feature divides the nasal cavity into right and left halves?

Accepted Answer

Nasal septum

Question 18

Which of the following is TRUE regarding the function of the trachea?

Accepted Answer

It prevents collapse of the airway with C-shaped cartilage rings

Question 19

Which of the following structures is responsible for equalizing air pressure throughout the lung and providing alternate routes in case of blockages?

Accepted Answer

Alveolar pores

Question 20

Which of the following is a correct description of the function of the pharyngeal tonsils (adenoids)?

Accepted Answer

They facilitate immune response to inhaled pathogens

Anatomy and Physiology of the Respiratory System: Structure and Function

Study Guide - Practice Questions