QUESTIONS AND CORRECT ANSWERS
upper respiratory system - CORRECT ANSWER nose, nasal cavity, paranasal sinuses, pharynx
lower respiratory system - CORRECT ANSWER larynx, trachea, bronchi, bronchioles, alveoli
Lining of respiratory system - CORRECT ANSWER Mucosa - epithelial tissue & CT - ciliated
pseudostratified columnar epithelium
9 structures of respiratory system - CORRECT ANSWER nose
nasal cavity
paranasal sinuses
pharynx
larynx
trachea
bronchiole tree
lungs
respiratory membrane
Structure of nose - CORRECT ANSWER supported by bone & hyaline cartilage
Nasal cavity functions - CORRECT ANSWER warms and moistens air, olfaction, resonating
chamber for speech
3 areas of nasal cavity - CORRECT ANSWER vestibule
respiratory area
olfactory area
paranasal sinuses function - CORRECT ANSWER warm, moisten air, lighten skull
,8 spaces in skull - CORRECT ANSWER Frontal
sphenoid
ethmoid
maxillae
Function of pharynx - CORRECT ANSWER passageway for air and food
histology of pharynx - CORRECT ANSWER Skeletal muscle lined by mucous membrane
3 regions of pharynx - CORRECT ANSWER nasopharynx, oropharynx, laryngopharynx
Function of larynx - CORRECT ANSWER voice box
Air passage only
unpaired cartilages of the larynx - CORRECT ANSWER thyroid, cricoid, epiglottis
paired cartilages of the larynx - CORRECT ANSWER arytenoid, vestibular fold, vocal fold
What is the glottis? - CORRECT ANSWER opening between vocal folds
Function of glottis - CORRECT ANSWER Closes to prevent food from entering trachea
What is the trachea - CORRECT ANSWER a large membranous tube reinforced by rings of
cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs;
the windpipe.
What is the bronchial tree - CORRECT ANSWER a branching system of air tubes in each lung
Parts of bronchial tree - CORRECT ANSWER Main bronchi
lobar bronchi
, segmental bronchi
terminal bronchi
bronchioles
alveolar ducts
Epithelial of mucosa in bronchi - CORRECT ANSWER Ciliated pseudostratified columnar
epithelium
non ciliated simple columnar
non ciliated simple squamous
Lungs are separated by - CORRECT ANSWER mediastinum
Lobes of right lung - CORRECT ANSWER 3 (superior, middle, inferior)
lobes of left lung - CORRECT ANSWER 2 (superior and inferior)
Pleura - CORRECT ANSWER serous membrane surrounding the lungs
Visceral - CORRECT ANSWER On surface of lung
Parietal - CORRECT ANSWER On inner thoracic wall, diaphragm & mediastinum
Pleural cavity - CORRECT ANSWER Filled with serous fluid (prevents friction when lungs
move)
Respiratory membrane consists of - CORRECT ANSWER two thicknesses of epithelial cells
and basement membranes
3 layers of respiratory membrane - CORRECT ANSWER Wall of alveolus (simple epithelium)
basement membranes of alveolus
wall of capillary (simple squamous epithelium)