Which part(s) of the neuron can propagate an action potential?
A) 1
B) 1 and 2
C) 2 and 3
D) 3
D
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A. Testosterone production would plummet. B. Estrogen levels would decrease. C. Testosterone levels would soar. D. Estrogen levels would increase.
A 60-year-old man is seen in the emergency room. He is disoriented and complains of fatigue and weakness
A physical examination reveals signs of alcohol abuse and a hardened liver. Blood tests reveal hypoglycemia. Loss of the function of which hepatic cell type most likely accounts for his inability to maintain normal levels of plasma glucose? A. endothelial cells B. Kupffer's cells C. stellate cells D. hepatocytes E. cholangiocytes
Which of the following statements concerning the descending pathways of the spinal cord is true?
A. Most descending pathways control sensory functions. B. Many of the descending pathways decussate in the midbrain. C. Descending pathways consist of upper and lower motor neurons. D. Descending pathways must synapse in the thalamus. E. These pathways start in the spinal cord and end in the brain.