22.1 The upper respiratory system warms, humidifies, and filters

What is the only externally visible part of the respiratory system?

• The mouth

• The eyes

• The nose

• The ears

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

• Warming and moistening entering air

• Filtering and cleaning inspired air

• Serving as a resonating chamber for speech

• Digesting food

The structures of the nose are divided into the external nose and what other part for ease of consideration?

• Nasal passage

• Nasal cavity

• Nasal sinus

• Nasal fossa

What are the surface features of the external nose?

• Root, bridge, and dorsum nasi

• Apex, alae, and nares

• Frontal bone, nasal bone, and maxillary bone

• Septal cartilage, alar cartilages, and lateral processes

What term is used to refer to the external openings of the nose?

• Alae

• Apex

• Nares

• Dorsum nasi

Which bones form the superior part of the external nose's skeletal framework?

• Nasal and frontal bones

• Maxillary and nasal bones

• Frontal and maxillary bones

• Nasal and maxillary bones

What type of cartilage comprises the flexible plates of the external nose?

• Elastic cartilage

• Fibrocartilage

• Hyaline cartilage

• Calcified cartilage

How does air enter the internal nasal cavity?

• Through the mouth

• Through the nostrils or nares

• Through the pharynx

• Through the septal cartilage

What divides the nasal cavity?

• The vomer bone

• The septal cartilage and perpendicular plate of the ethmoid bone

• The nasal apertures

• The choanae

What are the posterior nasal apertures also called?

• Septum

• Nares

• Choanae

• Nostrils