Damage to which of these nerves would be most life-threatening?
A. Lumbar nerves
B. Median nerves
C. Radial nerves
D. Sciatic nerves
E. Phrenic nerves
Answer: E
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Nerve fibers from all regions of the retina converge on the ________ and exit the eye by way of the optic nerve.
A. fovea centralis B. ora serrata C. optic disc D. macula lutea E. lens
Rapid, uncontrolled contraction of individual cells in the heart is known as ____________________
Fill in the blank(s) with correct word
The ________ triangle of the neck is posterior to the sternocleidomastoid muscle, superior to the clavicle inferiorly, and anterior to the trapezius muscle. It is subdivided into two smaller triangles.
Fill in the blank(s) with the appropriate word(s).
The spinal tract that carries sensations from proprioceptors to the CNS is the
A) fasciculus gracilis. B) fasciculus cuneatus. C) spinocerebellar. D) lateral spinothalamic. E) anterior spinothalamic.