Breathing Flashcards
Common portion for air and food?
Pharynx
How many breaths per minutes? Spirometer measures?
12-16, volume of air
IRV?
2500-3000mL
ERV?
1000-1100mL
RV?
1100-1200mL
IC?
TV + IRV
EC?
TV + ERV
FRC?
ERV + RV
Vital Capacity?
ERV + TV + IRV
Total Lung Capacity?
VC + RV
Atmospheric air, O2 and CO2?
159, 0.3
Alveoli?
104, 40
Blood (deoxygenated)
40, 45
Tissues
40, 45
Blood (oxygenated)
95, 40
Solubility of CO2 is ____ times higher than solubility of O2
20-25
___% of CO2 is transported by RBCs whereas ___% by bicarbonate. ___% in plasma.
20-25, 70, 7
100ml of blood delivers ___ml of oxygen
5ml
100ml of blood delivers ___ml of CO2
4ml
What moderates functions of the respiratory rhythm center?
Pneumotaxic center of pons
What moderates functions of the respiratory rhythm center?
Pons
How does RRC moderate respiration?
By altering inspiration. Using cues from a chemosensitive area sensitive to CO2