Question 1
The variables of oxygen consumption, cardiac output, and blood oxygen content are unrelated.
◦ True
◦ False
Question 2
Which characteristic makes hemoglobin's structure such a good match for its function as an oxygen carrier?
◦ Each hemoglobin binds irreversibly to an oxygen molecule.
◦ Each hemoglobin molecule can bind four oxygen molecules.
◦ Each hemoglobin molecule can bind one oxygen molecule.
◦ Each hemoglobin molecule cannot be saturated by oxygen molecules.
◦ Each hemoglobin molecule can bind two oxygen molecules.