Respiratory System

Question 1

holds down soft palate during breathing

Answer 1

epiglotis

Question 2

Trachea –>

Answer 2

bronchus –> bronchiole –> alveoli

Question 3

dead space

Answer 3

50-75%

Question 4

ppl

Answer 4

pleural pressure

decreases during inhalation

Question 5

lung compliance

Answer 5

elastic properties of lungs

Question 6

airway resistance

Answer 6

measure of the frictional resistance of the lungs

Question 7

airflow is opposed by frictional resistance in the

Answer 7

airways: 
nose 
pharynx
larynx
tracheobronchial tree

Question 8

upper airway resistance in resting horse

Answer 8

50-70%

Question 9

tracheobronchial tree is lined with

Answer 9

secretory ciliated epithelium

Question 10

bronchial glands and goblet cells secrete

Answer 10

mucus

Question 11

nasal resistance can be decreased during exercise by flaring nostrils and

Answer 11

vasoconstriction of vessels in nasal mucosa

Question 12

smooth muscle surrounds the airways from

Answer 12

trachea to alveolar ducts

Question 13

smooth muscle actively

Answer 13

regulates airway diameter

Question 14

low compliance

Answer 14

fibrotic wall

Question 15

bronchoconstriction is a response to

Answer 15

irritants
histamine
leukotrienes