Respiratory System Structure and Function

Which of the following is a function of the respiratory system?

• Transport of gases by bloodstream

• Breathing (Ventilation)

• Gas exchange (Internal respiration)

• Digestion of food

What is included in the upper respiratory tract?

• Trachea

• Bronchi

• Nasal cavity

• Alveoli

Which part of the respiratory system is responsible for gas exchange?

• Conducting zone

• Extrapulmonary zone

• Respiratory zone

• Upper respiratory tract

What is the role of the circulatory system in respiration?

• Breathing (Ventilation)

• Gas exchange (External respiration)

• Transport of gases by bloodstream

• Digestion of food

Which part of the upper respiratory tract is responsible for the sense of smell?

• Nasal vestibule

• Olfactory epithelium

• Nasopharynx

• Trachea

What is the function of the Eustachian tube in the nasopharynx?

• To aid in digestion

• To connect the nasal cavity to the lungs

• To equalize pressure in the middle ear

• To produce vocal sounds

Which structure is located directly above the trachea in the upper respiratory tract?

• Nasal cavity

• Larynx

• Paranasal sinuses

• Nasopharynx

What type of epithelium is found in the anterior part of the nasal vestibule?

• Keratinized stratified squamous epithelium

• Simple cuboidal epithelium

• Pseudostratified columnar epithelium

• Transitional epithelium

Which type of cartilage is present in the anterior part of the nasal vestibule?

• Hyaline cartilage

• Elastic cartilage

• Fibrocartilage

• Articular cartilage

What feature is associated with the veins in the anterior part of the nasal vestibule?

• Dilated veins

• Constricted veins

• Collapsed veins

• Normal veins