SOLVED

91) Outgoing neural signals pass along the ________ to terminal branches. A) receptor site B) glial cell C) axon D) dendrite 92) Which of the following is NOT one of the main parts of a neuron? A) axon B) glia C) dendrite D) cell body 93) Arranging the different parts of a neuron in terms of the order in which incoming signals travel, the correct sequence would be: A) dendrites, cell body, axon, axon terminals. B) dendrites, axon, cell body, axon terminals. C) axon terminals, axon, cell body, dendrites. D) axon, axon terminals, cell body, dendrites. 94) Joan is told by her physician that her symptoms are caused by a loss of myelin. Her symptoms would be likely to include all of the following EXCEPT: A) loss of sensation. B) lack of coordination. C) problems with vision. D) flattening of emotion. 95) A nerve is a bundle of: A) axons. B) dendrites. C) glial cells. D) neurofibrils. 96) The human body has: A) 12 cranial nerves and 31 spinal nerves. B) 12 spinal nerves and 31 cranial nerves. C) 43 peripheral nerves. D) 43 pairs of peripheral nerves. 97) The human body has ________ pairs of peripheral nerves that enter or leave the spinal cord, and ________ pairs that are in the head, connecting directly to the brain. A) 12; 31 B) 12; 43 C) 31; 12 D) 43; 31 98) Research by contemporary neuroscientists has shown that: A) precursor cells can replace damaged cells in a human spinal cord, thus restoring use of limbs. B) severed spinal cord axons in an animal regrow if treated with certain nervous-system chemicals. C) neurons in the central nervous system cannot regenerate and grow back. D) no new central nervous system cells are produced after infancy. 99) The process of neurogenesis occurs when: A) the developing fetus produces millions of new neurons in the three months before birth. B) stress increases the production of new cells in order to facilitate adaptation to the stressor. C) precursor cells give birth to new neurons when immersed in a growth-promoting protein. D) the injection of stem cells leads to the regeneration of a myelin sheath surrounding the neuron. 100) Stem cells that are involved in learning and memory seem to divide and mature: A) until the age of 7 years. B) throughout the lifespan. C) until the age of 12 years. D) throughout the first 2 years of life.