What does the word root "spino" in the name of a spinal tract indicate?
A. Its fibers do not extend beyond the spinal cord.
B. It consists of descending fibers.
C. It is a motor pathway.
D. It is a sensory pathway.
E. Its fibers form a spinal nerve.
Answer: D
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Facilitated diffusion
a. involves a membrane channel b. requires the cell to expend expenditure c. is how glucose in the intestinal lumen moves into cells in the digestive lining d. is a form of active transport e. None of the above
Increased sympathetic stimulation causes generalized vasoconstriction
Indicate whether the statement is true or false
Why does the skin of a light-skinned person appear red during exercise in hot weather?
What will be an ideal response?
Explain why blood pressure is higher in glomerular capillaries than in other systemic capillaries
A) Blood pressure is higher in glomerular capillaries because the efferent arteriole drains into peritubular capillaries. B) Blood pressure is higher in glomerular capillaries because the distal convoluted tubule constricts the afferent arteriole. C) Blood pressure is higher in glomerular capillaries because the kidneys are in close proximity to the renal arteries. D) Blood pressure is higher in glomerular capillaries because less proteins enter the afferent arterioles. E) Blood pressure is higher in glomerular capillaries because the efferent arteriole has a smaller diameter than the afferent arteriole.