Week 8 Lecture Assignment Flashcards
Which zone of the respiratory system includes the organs and structures not directly involved in gas exchange?
The conducting zone
Respiratory epithelium is composed of what type of tissue? ______________________________
Pseudostratified ciliated columnar epithelium.
The largest laryngeal cartilage is the ____________________________.
thyroid cartilage
The _________________ is formed by 16 to 20 stacked, C-shaped pieces of hyaline cartilage.
trachea
An _______________________ is one of the many small, grape-like sacs that are attached to the alveolar ducts.
alveolus
A type II alveolar cell secretes ___________________________.
pulmonary surfactant
The sympathetic nervous system stimulates _______________________ in the bronchial tubes.
bronchodilation
What is the space between the visceral and parietal layers called? ____________________________
pleural cavity
The act of breathing is called _____________________________.
pulmonary ventilation
__________________________ is the pressure of the air within the alveoli.
Intra-alveolar pressure or intrapulmonary pressure
During quiet breathing, the diaphragm and what other group of muscles must contract? __________________________________
external intercostals
The amount of air that normally enters the lungs during quiet breathing is called
_______________________________.
tidal volume
A chronic disorder characterized by the cessation of breathing during sleep is called what?
sleep apnea
What type of respiration occurs between the alveoli and the blood in the pulmonary capillaries? ___________________________
external respiration
What type of respiration consists of gas exchange that occurs at the level of body tissues? ___________________________
internal respiration
