Subdivision of the motor division responsible for controlling involuntary events
A. CNS
B. PNS
C. ANS
Answer: C. ANS
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The spinal nerves enter and exit the vertebral canal through the
A) dorsal root. B) ventral root. C) transverse foramen. D) vertebral foramen. E) intervertebral foramen.
Diagram the basic steps of a stretch reflex arc
What will be an ideal response?
The plexus that originates from spinal nerves L1-L4 is the
A) cervical plexus. B) brachial plexus. C) lumbar plexus. D) sacral plexus. E) coccygeal plexus.
As a bone increases in diameter, what happens to the medullary cavity?
A) The medullary cavity increases in diameter because bone matrix is removed by osteoblasts. B) The medullary cavity increases in diameter because bone matrix is removed by osteoclasts. C) The medullary cavity decreases in diameter because bone matrix is added by osteoclasts. D) The medullary cavity decreases in diameter because bone matrix is added by osteoblasts. E) The medullary cavity diameter does not change but fills in with more bone marrow.