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

24. Why is the white matter lighter than the gray matter? a. These are just historic terms not representative of real colors. b. White matter is less dense than gray matter. c. White matter is more translucent than gray matter. d. White matter contains more Schwann cells, which are light in appearance. e. White matter is richer in myelin, which reflects more light than gray matter. {Ans: e. White matter is richer in myelin, which reflects more light than gray matter.}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}13. The part of a synapse to which the contents of synaptic vesicles bind is called the a. presynaptic terminal. b. synaptic ending. c. axon terminal. d. terminal bouton. e. receptor. {Ans: e. receptor.}6. In which part of a neuron would most of the endoplasmic reticulum be concentrated? a. Postsynaptic terminal b. Presynaptic terminal c. Axon d. Cell body e. Dendrite {Ans: d. Cell body}The figure shows patterns of action potentials (vertical lines) in neurons that form the neural circuits for the knee-jerk reflex. Which