We describe the regeneration of the action potential down the membrane of the axon of the neuron as _______.
A) voltage
B) light
C) heat
D) chemicals
Answer: A) voltage
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This nerve helps to plant the foot and receives sensory signals from the skin of the sole.
A. Deep fibular nerve B. Genitofemoral nerve C. Obturator nerve D. Femoral nerve E. Tibial nerve
What does the word root "spino" in the name of a spinal tract indicate?
A. It consists of descending fibers. B. It is a motor pathway. C. It is a sensory pathway. D. Its fibers do not extend beyond the spinal cord. E. Its fibers form a spinal nerve.
The embryonic heart starts beating as blood begins to flow through chorionic vessels at approximately ________ of development
A) day 3 B) day 12 C) week 2 D) week 3 E) the second trimester
The figure illustrates a lateral view muscles of the head and neck. Which muscle is indicated by "C"?
A. Masseter B. Sternocleidomastoid C. Orbicularis oculi D. Temporalis E. Trapezius