The fiber column immediately adjacent to the posterior median sulcus is the ________.
Fill in the blank(s) with the appropriate word(s).
fasciculus gracilis
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Each of the following factors would increase peripheral resistance except
A) increased sympathetic stimulation. B) elevated levels of epinephrine. C) vasodilation. D) irregularities in the vessel walls caused by plaques. E) elevated hematocrit.
Which is not true about the periosteum?
A. It includes two layers: outer fibrous and inner cellular. B. It is composed of dense regular connective tissue. C. It provides stem cells for bone growth and repair. D. It is anchored to the bone by collagen fibers. E. It covers the entire bone surface, with the exception of articular areas.
Epithelial cells are continually being shed from the intestinal villi because
a. the intracellular enzymes cause the cells to disintegrate and slough off b. the body needs a continual supply of protein derived from the digestion of these cells c. new cells are produced continually in the crypts and then they migrate upward d. acid entering the small intestine constantly destroys the villi, causing the cells to slough e. of factors other than those mentioned above
Urine formation begins when ________ moves some of the water and solutes in blood from the glomerulus into the glomerular capsule.
A. filtration B. osmosis C. active transport D. diffusion