When a skeletal muscle works hard,
A) and pH increase.
B)pH increases and declines.
C)pH declines and increases.
D)pH and increase.
E)pH and decline.
The enzyme carbonic anhydrase causes what to occur in RBCs?
A)carbon dioxide to be converted to carbonic acid
B)carbon dioxide to be converted to water
C)water to be converted to oxygen and carbon dioxide
D)water to react with hydrogen ions
E)carbonic acid to be converted to hemoglobin
Which of the following factors would increase the amount of oxygen released by hemoglobin from the bloodstream?
A)decreased temperature and decreased pH
B)decreased pH and increased temperature
C)increased tissue and increased pH
D)decreased tissue and increased pH
E)decreased temperature and increased pH
Which statement regarding carbon dioxide transport in the blood is true?
A)The chloride shift occurs when Cl- moves out of RBCs in exchange for HCO3-.
B)HCO3- dissociates into CO2 and O2.
C)25% is converted to H2CO3 by carbonic anhydrase.
D)H2CO3 dissociates into H+ and HCO3-.
E)93% remains dissolved in plasma as CO2.