A&P

Question 1

Phospholipid-based substance that prevents collapse of the alveoli

Answer 1

Surfactant

Question 2

Only fissure present in the left lung

Answer 2

Oblique Fissure

Question 3

Occurs when there is a failure of LaPlace’s Law within the alveoli

Answer 3

Atelectasis

Question 4

Primary unit of respiration

Answer 4

Acinus

Question 5

Most common means by which carbon dioxide is transported from the cells back to the alveoli

Answer 5

Bicarbonate Ions

Question 6

A physiologic response that occurs when the body is suddenly submerged in very cold water

Answer 6

Apnea

Question 7

Vertical indentation of the lung where the bronchi and vasculature enter the parenchyma

Answer 7

Hilus

Question 8

A defense mechanism of the pulmonary tree consisting of surface goblet cells, cilia, submucosal glands, and blood supply

Answer 8

Mucociliary Escalator

Question 9

Tissue the innervates the diaphragm

Answer 9

Phrenic Nerves

Question 10

Physics principle in which a decrease in oxygen tension (pressure) results in an increase in the volume

Answer 10

Boyles Law

Question 11

Physiologic concept that controls the depth of inspirations

Answer 11

Hering-Breuer Reflex

Question 12

Most common means by which oxygen is transported to the cells

Answer 12

Oxyhemoglobin

Question 13

Type of cell comprised of type III alveolar cells

Answer 13

Macrophages

Question 14

Another name for Adam’s apple

Answer 14

Thyroid Cartilage

Question 15

Response initiated by baroreceptors when there is a decrease in systemic blood pressure

Answer 15

Hyperventilation

Question 16

Aortic body chemoreceptor afferent nerves run into this major nerve

Answer 16

Vagus Nerve

Question 17

Ion primarily responsible for stimulation of chemoreceptors

Answer 17

Hydrogen

Question 18

Elastic connective tissue that makes up the bulk of the lung parenchyma

Answer 18

Stroma

Question 19

Tidal volume x breaths per minute

Answer 19

Minute Ventilation

Question 20

Portion of the brain that causes an increase in respiratory rate and depth in response to anxiety or activity

Answer 20

Limbic System

Question 21

Only complete ring of cartilage within the larynx

Answer 21

Cricoid Cartilage

Question 22

Comprised of anatomical dead space and alveolar dead space

Answer 22

Total Dead Space

Question 23

Physics principle in which gas in contact with liquid will dissolve in the solution proportionate to its partial pressure

Answer 23

Henrys Law

Question 24

Commonly abused substance that paralyzes the cilia

Answer 24

Nicotine

Question 25

Physics principle in which to total pressure exerted by a mixture of gases equals the sum of the partial pressures

Answer 25

Daltons Law

Question 26

Accounts for 20% of the way in which carbon dioxide is transported from the cells to the alveoli

Answer 26

Carbaminohemoglobin

Question 27

Minute openings within the alveolar walls that allow for gas exchange

Answer 27

Pores of Kohn

Question 28

Location of the center that controls the basic rhythm of respiration

Answer 28

Medulla

Question 29

Muscles responsible for lifting the superior two ribs to increase thoracic cavity size

Answer 29

Scalenes

Question 30

Bifurcation at the terminal end of the trachea

Answer 30

Carina