Buffering of lactic acid produced during anaerobic glycolysis in the Painted Turtle (Chrysemys picta) during winter is by
a. the carbon dioxide-carbonic acid buffers.
b. the massive shell of the turtle.
c. the phosphate buffers.
d. the protein buffers.
e. all of these.
B
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The inferior vena cava (IVC) is in the
A. peritoneal cavity. B. anterior pararenal space. C. perirenal space. D. posterior pararenal space.
The final composition of urine is represented by which of the following statements?
A) Urine = substances reabsorbed + substances secreted. B) Urine = substances filtered + substances reabsorbed + substances secreted. C) Urine = substances secreted - substances reabsorbed - substances filtered. D) Urine = substances filtered - substances reabsorbed + substances secreted. E) Urine = substances reabsorbed - substances secreted - substances filtered.
Fever is
A) due to exposure to heat. B) a special case of hyperthermia in which body temperature rises in response to an elevated set point, typically in response to infection. C) a special case of hypothermia in which body temperature falls to protect the core from infection. D) a result of inflammation.
Immature, undifferentiated bone cells are called
A. osteoclasts. B. osteoprogenitor cells. C. osteocytes.