Questions and CORRECT Answers
movement of air into and out of the lungs - CORRECT ANSWER - ventilation
movement of substances to and from tissues - CORRECT ANSWER - respiration
gas exchange between air in lungs and blood - CORRECT ANSWER - external respiration
transport of oxygen and carbon dioxide in the blood - CORRECT ANSWER - gas
transport
gas exchange between blood and tissues - CORRECT ANSWER - internal respiration
secondary respiratory system functions - CORRECT ANSWER - 1. Regulation of blood
pH
2. Production of chemical mediators
3. Voice production
4. Olfaction
5. Protection
Altered by changing blood carbon dioxide levels - CORRECT ANSWER - regulation of
blood pH
Production of chemical mediators: - CORRECT ANSWER - ACE (angiotensin converting
enzyme)- produced in lungs
Movement of air past vocal folds makes sound and speech - CORRECT ANSWER - voice
production
,Smell occurs when airborne molecules are drawn into nasal cavity - CORRECT
ANSWER - olfaction
against microorganisms by preventing entry and removing them from respiratory surfaces -
CORRECT ANSWER - protection
Structural divisions of the respiratory system - CORRECT ANSWER - upper respiratory
tract and lower respiratory tract
functional divisions of the respiratory system - CORRECT ANSWER - conducting zone
and respiratory zone
site of air movement - CORRECT ANSWER - conducting zone
site of gas exchange between air and blood - CORRECT ANSWER - respiratory zone
upper respiratory tract pathway - CORRECT ANSWER - nose/nasal
cavity>nasopharynx>oropharynx> laryngopharynx>larynx>trachea
lower respiratory tract pathway - CORRECT ANSWER - main bronchi> lobar bronchi
(secondary)> segmental (tertiary)>bronchioles - all conductivity. >alveoli- respiratory.
From nares to choanae - CORRECT ANSWER - nasal cavity
just inside nares - CORRECT ANSWER - vestibule
floor of nasal cavity - CORRECT ANSWER - hard palate
, bony ridges on lateral walls with meatuses between - CORRECT ANSWER - choncha.
(turbinate in lab)
functions of nasal cavity - CORRECT ANSWER - passageway for air
cleans air
humidifies/warms air
smell
resonating chambers for speech (along w paranasal sinuses)
psuedostratified columnar epithelium- just air - CORRECT ANSWER - nasopharynx
lined w moise stratified squamous epithelium- food and air - CORRECT ANSWER -
oropharynx
lined w moist stratified squamous epithelium. epiglottis to esophagus - CORRECT
ANSWER - laryngopharynx
unpaired cartilages - CORRECT ANSWER - thyroid- largest. adam's apple
cricoid- most inferior, base of larynx
epiglottis- attached to thyroid and has a flap near base of tongue, composed of elastic cartilage
paired cartilages - CORRECT ANSWER - arytenoid- attached to cricoid
Ligaments extend from - CORRECT ANSWER - arytenoids to thyroid cartilage
vestibular folds aka - CORRECT ANSWER - false vocal folds
true vocal cords (vocal folds) - CORRECT ANSWER - sound production