The symptom of numbness of the palmar region often associated with carpal tunnel syndrome is caused by
A) compartmentalization of flexor and extensor muscles.
B) ischemia from pinching off the superficial palmar arch.
C) compression of the long extensor muscles of the hand.
D) compression of the median nerve within the carpal tunnel.
E) None of the answers are correct.
D) compression of the median nerve within the carpal tunnel.
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The neuroglial cells that participate in maintaining the blood-brain barrier are the
A) astrocytes. B) ependymal cells. C) microglia. D) oligodendrocytes. E) Schwann cells.
Osteoid is the
A. organic part of the bone matrix that gives it rigidity. B. organic part of the bone matrix that gives it tensile strength. C. inorganic part of the bone matrix that gives it rigidity. D. inorganic part of the bone matrix that gives it tensile strength.
"Catabolism" refers to
A) chemical reactions that acquire energy. B) synthesis of large molecules. C) chemical reactions that release energy. D) the formation of genetic material.
Where are the trabeculae located?
A) Within the osteon B) Spongy bone C) Epiphyseal plate D) Compact bone