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A&P Exam 5
| Question | Answer |
|---|---|
| Which of the following structures is the richest in lipid content? | White matter |
| Which region of a neuron transmits signals to other neurons across a synapse? | Secretory region |
| What is the most common cell type in the brain? | Astrocytes |
| Which is NOT a function of cerebrospinal fluid? | CSF helps to promote mitosis within neuronal tissue. |
| Conscious awareness of incoming sensory information is called | sensation. |
| True or False: Oligodendrocytes serve the same purpose in the CNS that satellite cells do in the PNS. | False |
| Which of the choices below describes the autonomic nervous system (ANS)? | Motor neurons that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands |
| After an action potential, there is a time period when it might be possible to initiate another action potential, but it might require a stronger stimulus. This time period is called the ____ period. | relative refractory |
| Which type of glial cell migrates around and phagocytizes microorganisms and cellular debris? | Microglia |
| Which region of the brain acts as the autonomic (visceral) command center? | Hypothalamus |
| An excitatory postsynaptic potential (EPSP) is best described as ____. | a slight depolarization |