Erythropoietin appears in the plasma when peripheral tissues, especially the kidneys, are exposed to __________.
a. extremes of temperature
b. low oxygen concentrations
c. high urine volumes
d. excessive amounts of radiation
Answer: b. low oxygen concentrations
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A) inhibiting a specific neuromodulator. B) inhibiting a specific neurotransmitter. C) mimicking a specific neuromodulator. D) mimicking a specific neurotransmitter.
The chief clinical manifestation of Addisonian crisis is:
A) shock. B) dehydration. C) lower back pain. D) an elevated temperature.
The type of bone that is adapted to withstand stresses that arrive from many directions is ________ bone
A) spongy B) trabeculae C) compact D) lamellar E) irregular
Movement of wastes through the large intestine too quickly can result in
A. peritonitis. B. diarrhea. C. heartburn. D. constipation.