W2 - Breathing Flashcards
1
Q
Gas moves into and out of the lungs via
A
convection
2
Q
Gas is exchanged in the lung parechyma via
A
diffusion
3
Q
Gas movement through the conducting airways and into and out of the gas exchange region is called
A
ventilation
4
Q
The body tries to maintain what partial pressure of CO2?
A
40 mmHg
5
Q
What is minute ventilation?
A
The total volume of gasses moving into and out of the lungs each minute
6
Q
What four molecular species move into and out of the parenchyma?
A
O2, CO2, N2, H2O
7
Q
What is alveolar ventilation?
A
the total volume of gas moving into and out of the gas exchange region of the lungs each minute
8
Q
1 gram of hemoglobin carries how many ml of O2?
A
1.39 ml
9
Q
The state of oxygen is monitored using what two monitors?
A
Pulse oximetry and arterial partial pressure of oxygen
