Respiratory Study Guide

Respiratory System Study guide:

Answer the following, submit through the assignments link as an msword document.

1. What percent of air is oxygen?

a. 21% of air is oxygen.

2. What is the entire process of gas exchange between atmosphere and body cells called?

a. Respiration

3. What is the waste product of cells?

a. Carbon dioxide

4. What organs are located in the upper respiratory tract?

a. The nose, the nasal cavity, sinuses, and the pharynx.

5. What organs are in the lower respiratory tract?

a. The larynx, the trachea, the bronchial tree, and the lungs.

6. What is the function of the nasal cavity?

a. The nasal cavity is where the air starts to be filtered. The main function of this is to conduct air to the pharynx, where the air is filtered more.

7. What does mucous do?

a. Mucous entraps little particles and dust that happen to be in the air and is digested by the stomach.

8. What is the function of the larynx?

a. The larynx conducts air in and out of the trachea and prevents objects from entering the trachea.

9. Which lung is larger, the right or the left?

a. The right lung is larger than the left lung.

10. What is laryngitis?

a. Laryngitis is the loss of the voice due to the mucous membranes becoming inflamed and causing an obstruction of the airway.

11. What is a bronchoscopy?

a. This is the procedure that examines the trachea and bronchial tree.

12. The paranasal sinuses are resonant chambers that affect the quality of voice and function to _________.

a. Reduce the weight of the skull and resonant chambers that affect the quality of the voice.

13. What is found within the trachea that prevents it from collapsing and blocking the airway?

a. Pieces of cartilage.

14. What is inspiration?

a. Something that occurs when pressure inside alveoli decreases and pressure is greater.

15. What is tidal volume?

a. The amount of air that enters or leaves the lungs.