Respiratory System Quiz

What is one of the functions of the respiratory system?

• To digest food

• To exchange gases (oxygen and CO₂)

• To circulate blood

• To control body temperature

Which of the following is NOT a major organ of the respiratory system?

• Larynx

• Pharynx

• Heart

• Trachea

The respiratory system protects the body from what type of irritants?

• Waterborne irritants

• Airborne irritants

• Foodborne irritants

• None of the above

What divides the nose into two nostrils?

• Nasal cavity

• Nasal mucosa

• Nasal septum

• Ciliated cells

Where is the nasal cavity located in relation to the nose?

• Anterior

• Posterior

• Superior

• Inferior

What is the function of the mucosa lining in the nasal cavity?

• It cools the incoming air.

• It propels debris towards the throat.

• It warms the incoming air and traps foreign objects.

• It divides the nose into two nostrils.

What is the role of ciliated cells in the nasal mucosa?

• They divide the nose into two nostrils.

• They cool the incoming air.

• They warm the incoming air.

• They propel trapped debris towards the throat for digestion.

What are the three ridges found within the nasal cavity called?

• Turbinates

• Conchae

• Palates

• Uvula

What is the function of the conchae in the nasal cavity?

• To produce mucus

• To warm the air

• To increase mucosal surface area and air turbulence

• To filter out large particles

What is the hard palate made of?

• Cartilage

• Bone

• Muscle

• Skin