What type of information is carried in the gracile fasciculus?
A. Descending motor commands to limb muscles for balance and posture
B. Sensory signals from below level T6 for visceral pain, touch, and proprioception from the lower limbs
C. Sensory signals from level T6 and up for pain, touch, and proprioception
D. Signals for light touch, tickle, and temperature from the upper limbs
E. Motor commands for fine control of limb muscles
B. Sensory signals from below level T6 for visceral pain, touch, and proprioception from the lower limbs
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pH is a measurement of the:
a. hydrogen ion concentration of a solution b. hydroxide ion concentration of a solution c. amount of buffer needed in a solution d. both B and C above
The pons and cerebellum arise from which secondary embryonic vesicle?
A. Metencephalon B. Myelencephalon C. Diencephalon D. Mesencephalon E. Telencephalon
The superior gluteal nerve arises from the:
a. cervical plexus b. brachial plexus c. lumbar plexus d. sacral plexus
The primary somatosensory cortex is located in the ________ lobe.
A. parietal B. temporal C. occipital D. frontal