Multiple Choice
Most of the carbon dioxide produced by humans is
A) converted to bicarbonate ions by an enzyme in red blood cells.
B) bound to hemoglobin.
C) transported in the erythrocytes as carbonic acid.
D) simply dissolved in the plasma.
E) bicarbonate ions bound to hemoglobin.
Correct Answer:

Verified
Correct Answer:
Verified
Q62: Cyanide poisons mitochondria by blocking the final
Q63: The diagnosis of hypertension in adults is
Q64: At the summit of a high mountain,
Q65: During most daily activities, the human respiration
Q66: Breathing is usually regulated by<br>A) erythropoietin levels
Q68: The sun shining on a tidal pool
Q69: A person with a tidal volume of
Q70: What will be the long-term effect of
Q71: The meshwork that forms the fabric of
Q72: Countercurrent exchange is evident in<br>A) the flow