10 Questions
What is the fractional concentration of CO2 in expired air if FCO2 PA is 3.5%?
0.035
At sea level and dry conditions, what is the partial pressure of CO2 if the fractional concentration is 3.5%?
3.54 kPa
What is the standard temperature in Kelvin for gas calculations?
273 K
What is the volume of 1 mol of gas at standard temperature and pressure (STP)?
22.4 L
What is the gas constant for respiratory gases calculations?
8.31 J K^-1 mol^-1
What does the phospholipid bilayer prevent from passing through the membrane?
Certain molecules
What type of molecules can easily pass through the membrane?
Small, hydrophobic molecules
What does membrane transport consist of?
Active and passive transport
What is the driving force for molecules in chemical transport across a membrane?
Concentration gradient
When does a concentration gradient exist across a membrane?
When a molecule exists in different concentrations on either side of the membrane
Learn about how the cardiovascular and respiratory systems work together to deliver oxygen and nutrients to cells while removing waste products. Explore how blood flows through the pulmonary and systemic circuits controlled by the heart.
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