Quiz on the Respiratory System

What is the primary function of the respiratory system?

• Hormone regulation

• Air distributor

• Nutrient absorption

• Waste elimination

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

• Trachea

• Lungs

• Bronchi

• Larynx

What is the largest paranasal air sinus?

• Frontal sinus

• Ethmoidal sinus

• Sphenoidal sinus

• Maxillary sinus

Which structure is NOT part of the upper respiratory tract?

• Trachea

• Nasopharynx

• Larynx

• Nasal cavity

What is the shape of the maxillary air sinus?

• Cuboidal

• Cylindrical

• Pyramidal

• Spherical

Which part of the nasal cavity is lined with olfactory mucous membrane?

• Lower 1/3

• Middle 1/3

• Upper 1/3

• Entire cavity

What is the primary function of the nasal cavity?

• Food passage

• Sound production

• Air warming and cleaning

• Gas exchange

Which part of the pharynx lies behind the nasal cavity?

• Oropharynx

• Esophagus

• Nasopharynx

• Laryngopharynx

What is the length of the adult male larynx?

• 36 mm

• 30 mm

• 50 mm

• 44 mm

Which cartilage of the larynx is shaped like a signet ring?

• Epiglottis

• Arytenoid cartilage

• Cricoid cartilage

• Thyroid cartilage