Key questions exam 3 Flashcards
What are the major functions of the respiratory system
-Moving air
-Plays role in smell
-Sound production is possible
-Gas exchange
-maintains acid base balance
What are the anatomical and functional divisions of the respiratory system
Conductions zone
Respiratory zone
What are comments of respiratory system and their major functions
Nasal passageway - nose hairs- filter matter
Irregularly shaped bones- makes airflow turbulent- matter will become airborn and stay in longer
-pharanx - acts as conduction zone - passageway for air
-laranx - switch for material coming in to either go to esophagus or trachea
What are differences in types of cells that line the respiratory tract and their functions
-nasal cavity/
Describe the path an oxygen molecule follows from the atmospheric air to the aloe ale
How does gas exchange happen across the blood air barrier
Diffusion, from higher concentration to lower concentration
What are the differences between the left and right lung
One is shorter and wider (right one) accommodates liver
What are the factors influencing inspiration and expiration
Boyles law
Change in volume
What is the composition of air
Nitrogen
Oxygen
Water
Carbon dioxide
What about the alveolar sac
Nah
What is Dalton’s lawf
Total pressure of gas in a mixture is the sum of the components
What is ficks law
Various factors that influence oxygen diffusion
What is Henry’s law
Why is it important in the aveolus
What is meant by cooperative binding of O2 to hemoglobin
What are the factors that increase or decrease hemoglobin binding to O2
