What percentage of sugar (glucose) is absorbed in the tubules of the glomerular capillaries?
a. 50%
b. 75%
c. 89%
d. 98%
e. 100%
e
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Which of following correctly lists the sequence of steps that occur during hemostasis in response to a damaged blood vessel?
a) vascular spasm, clotting, polycythemia b) hemolysis, vascular spasm, platelet plug formation c) emigration, clotting, hemolysis d) vascular spasm, platelet plug formation, clotting e) anemia, hemogenesis, platelet plug formation
Which of the following has the smallest mass?
A. An electron ?B. An atomic nucleus ?C. A proton ?D. A neutron
What would you expect a cardiologist to recommend if there was substantial occlusion to a patient's left coronary artery but not the right coronary artery?
A. Because there are multiple alternate paths for blood delivery, the cardiologist would not intervene. B. Because this is a relatively small, unimportant artery, the cardiologist would not intervene. C. Because this is an important artery, and alternate vascular paths are inadequate, the cardiologist would treat the condition. D. Because occlusions require blood to be moved under greater pressure, the cardiologist would prescribe drugs to raise blood pressure.
What is the difference between parallel and convergent evolution?
What will be an ideal response?