Test Bank - Neuroscience, 6th Edition Chapter 1-34 | All Chapters Answered

10. Which statement best describes most neurons? a. They receive information via axons. b. They transmit information to other cells via dendrites. c. They are polarized. d. They conduct signals bidirectionally. e. They transmit electrical signals via cytoplasmic continuity. {Ans: c. They are polarized.}15. Which glial cell type serves as a resident immune cell in the central nervous system? a. Glial stem cell b. Astrocyte c. Microglia d. Oligodendrocyte e. Schwann cell {Ans: c. Microglia}19. In the knee-jerk reflex, the afferent neurons a. innervate leg flexor muscles. b. innervate leg flexor and extensor muscles. c. innervate leg extensor muscles. d. are sensory neurons. e. are cranial nerves. {Ans: . are sensory neurons.}21. Refer to the figure. The figure shows patterns of action potentials (vertical lines) in neurons that form the neural circuits for the knee-jerk reflex. Which pattern represents the activity of a flexor motor neuron? a. Top b. Second from the top c. Third from the top d. Bottom e. None of the above {Ans: d. Bottom}25. The neurons whose synaptic connections with glandular cells trigger stomach secretions are located in a. the spinal cord. b. the brain stem. c. the ganglia located along the