Upper Respiratory Tract

Which of these are not a major organ of the respiratory system?

• Lungs

• Larynx

• Pharynx

• Trachea

• Hand

The nasal cavity is lined with mucosal lining which does what to the incoming air?

• Warms incoming air

• Traps foreign objects

• Both of these answers are correct

What is the name of the structures that increase the mucosal surface area and air turbulence in the nasal cavity?

• Nasal Septum

• Soft palate

• Conchae

• Hard palate

By increasing the air turbulence and surface area of the nasal cavity, the nasal conchae allow more particles to make contact with the nasal cavity walls instead of entering the lungs. This allows the mucous to catch this debris before it enters the fragile lungs.

• True

• False

What are the names of the two structures that separate the nasal cavity and the mouth?

• Uvula and Tongue

• Hard palate and tongue

• Hard palate and soft palate

• None of these answers

What is the function of the uvula?

• It prevents food from entering the nasal cavity

• It allows food to enter the nasal cavity and

• It allows our voices to resonate with our vocal cords

• None of these answers

What are the functions of the paranasal sinuses?

• Lighten the skull

• Resonate speech

• Produce mucus

• All of these answers are correct

Here are the three divisions of the pharynx. Match them with their correct description.

• Oral portion

• Laryngopharynx

• Opening of larynx and esophagus

• Oropharynx

• Nasal portion

• Nasopharynx