1. Since carbon dioxide is about 20 times more soluble thanoxygen in the blood plasma, the carbon dioxide is converted tocarbonic acid.....

a. to lower the pH of the blood.

b.to raise the pH of the blood.

c.to maintain appropriate partial pressures, allowing morecarbon dioxide to enter the blood from the tissues.

d.none of these choices are correct.

2. Gases diffuse....

a. from an area of low pressure to another area of lowpressure.

b. from an area where they are not needed to an area where theyare needed.

c. from an area of high pressure to another area of highpressure.

d.from an area of high pressure to an area of low pressure.

e. from an area of low pressure to an area of high pressure.

3.Which of the following best represents cellularrespiration?

a.O2 & CO2 exchange between air & blood

b.C6H12O6 + 6O2 → 6CO2 + 6H2O + 36 ATP

c.air entering and leaving the lungs

d.O2 & CO2 exchange between blood & tissues

e. 6CO2 + 6H2O + Sunlight →C6H12O6 + 6O2

4. Which of the following is NOT commonly included as part ofthe processes involved in respiration?

a.Oxygen and carbon dioxide are exchanged between the blood andtissues.

b.Carbon monoxide combines with hemoglobin in the red bloodcells.

c.Air enters and leaves the lungs.

d.ATP is produced within the body cells.

e.Oxygen and carbon dioxide are exchanged between the air andthe blood.

It is multiple choice, please be specific