Platelets are fragments of a multinucleate cell known as a(n) ________
A) megakaryocyte
B) erythrocyte
C) reticulocyte
D) monocyte
A
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A disease that damages myelin sheaths would affect which portion of the spinal cord?
A) anterior gray horns B) posterior gray horns C) lateral gray horns D) white matter columns E) gray commissures
During exercise:
A. blood glucose levels fall dramatically. B. epinephrine and glucagon stimulate glycogenolysis in liver cells. C. decreased blood glucose and increased epinephrine stimulate insulin secretion. D. epinephrine stimulates glucagon secretion and inhibits skeletal muscle uptake of glucose. E. cortisol and growth hormone secretion are decreased.
A movement through 360 degrees that combines flexion, extension, abduction, and adduction is called
A. circumduction. B. rotation. C. hyperextension. D. supination. E. pronation.
The sodium-potassium pump is continually active while the cell is at a stable resting membrane potential
Indicate whether this statement is true or false.