Which of the following is not true regarding carbon dioxide transport in the blood?
A) The majority of carbon dioxide is transported as bicarbonate ions.
B) The majority of bicarbonate ions are found within the erythrocyte.
C) Very little carbon dioxide is transported free in the blood.
D) Carbonic anhydrase is capable of producing both carbon dioxide and carbonic acid.
Answer: B) The majority of bicarbonate ions are found within the erythrocyte.
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Parasympathetic innervation to the heart
a. is the vagus nerve. b. decreases the rate at which spontaneous action potentials are initiated in the SA node. c. decreases the strength of ventricular contraction. d. both (a) and (b) above. e. all of these answers.
How can a lever system work at a mechanical disadvantage but still be of use to us?
What will be an ideal response
All of the following are part of the skeletal system EXCEPT:
A) cartilage B) bones C) joints D) ligament