Respiratory System

Question 1

What two muscles are used for inspiration?

Answer 1

Diaphragm, External Intercostals

Question 2

What two muscles are used for expiration?

Answer 2

Abdominal Muscles, Internal Intercostals

Question 3

What two tissues are found in the trachea?

Answer 3

Fibrous Tissue, Smooth Muscle

Question 4

Name the levels of the bronchial tree, in order from largest to smallest.

Answer 4

Brochus, Smaller Bronchi, Bronchioles, Alveolar Ducts, Alveolar Sacs

Question 5

What are the 4 cartilages that make up the larynx?

Answer 5

Epiglottis, Arytenoid, Thyroid, Cricoid

Question 6

What two main structures are found in the larynx?

Answer 6

Epiglottis, Vocal Cords

Question 7

What are the three organs/structures found in the mediastinum?

Answer 7

Heart, Trachea, Esophagus

Question 8

If the carbon dioxide level in the blood decreases, what change occurs in the the pH level?

Answer 8

Increases

Question 9

Which species have the lung structure such that the left lung is all one lobe?

Answer 9

Horse

Question 10

What are the 3 most important chemical characteristics that control breathing?

Answer 10

Oxygen, Carbon Dioxide, Blood pH

Question 11

What is tidal volume?

Answer 11

Amount of air taken in and exhaled in one breath

Question 12

What are the 4 non-respiratory functions of the respiratory system?

Answer 12

Phonation, Regulate Body Temperature, Regulate Acid/Base Balance, Sense of Smell