The figure illustrates a cross section of the spinal cord. Which structure is indicated by "D"?
A. Ventral root
B. Dorsal root ganglion
C. Dorsal root
D. Spinal nerve
E. Central canal
Answer: A
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A. axons of motor neurons and cell bodies of interneurons. B. axons of sensory and motor neurons. C. axons of interneurons. D. axons of sensory neurons and cell bodies of interneurons. E. autonomic motor neurons.
The anterior ramus of a typical spinal nerve innervates the
A. special senses. B. anterior and lateral trunk and the limbs. C. major thoracic and abdominal organs. D. abdominal wall. E. deep muscles of the back and the skin of the back.
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One component of brain death is defined as
A. loss of reflexes. B. lack of spontaneous movement. C. a flat electroencephalogram (EEG).