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WorksheetsGas Exchange
Total questions: 10
Worksheet time: 5mins
Which of the following is the process by which oxygen and carbon dioxide diffuse between the alveoli and the bloodstream?
External Respiration
Internal Respiration
Pulmonary Ventilation
Cellular Respiration
Planet Pneumo-Lumo (found way out beyond Pluto) has an atmospheric pressure of 1000mmHg. Oxygen makes up 25% its atmosphere. What is the Partial Pressure of Oxygen (PO2) on Pneumo?
25mmHg
250mmHg
500mmHg
750mmHg
Which gas is more soluble in blood (or water)?
O2
CO2
both have the same solubility
The main respiratory control center is located in the
Frontal lobes of the brain
Arteries around the heart
Medulla and Pons of the brain
In the Lungs
Which factors influence gases dissolving into blood (according to our friend Henry?)(click all that apply)
partial pressure of the gasses
solubility of the gases
the volume of the lungs
the diameter of the trachea
In human physiology you learned that gas exchange is
Loud belching after drinking a soda loaded with carbon dioxide
The good time that automobiles have with gas pumps at the local service station
What happens when you eat too many bean burritos
Something ALL your capillaries do to keep you kickin!
Which gas plays the more important role in determining respiratory rates?
o2 levels
co2 levels
N2 levels
Which of the following is the process by which oxygen and carbon dioxide diffuse between the bloodstream and the body tissues?
External Respiration
Internal Respiration
Pulmonary Ventilation
Cellular Respiration
Why is it difficult to breathe at high altitude?
The percentage of o2 is lower
The percentage of co2 is higher
The partial pressure of co2 is lower
The partial pressure of o2 is lower
Holding your breathe for long time causes a strong desire to breath. What is causing that strong desire?
Lack of oxygen
Lack of carbon dioxide
Build up of oxygen
Build of of carbon dioxide
