Which of these elements is most likely to be unstable and therefore radioactive?
A. deuterium
B. tritium
C. hydrogen
D. It is not likely that any of these are radioactive.
Ans: B. tritium
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In resting skeletal muscles, a significant portion of the metabolic demand is met through the __________.
a. catabolism of glucose b. catabolism of glycogen c. catabolism of fatty acids d. anabolism of ADP to ATP
Which of the following has the highest partial pressure of carbon dioxide?
A. The blood circulating in systemic arteries B. The alveoli of the lungs C. The systemic cells
The approximate number of platelets in a cubic millimeter of blood is:
a. 30,000 b. 300,000 c. 3,000,000 d. 30,000,000
In most of the cells in the body there is an electrical difference such that the inside of cells is positive with respect to the outside
Indicate whether the statement is true or false.