23). Astrocytes are thought to provide structural support within the nervous sys

Question

23). Astrocytes are thought to provide structural support within the nervous system.
True False

24). Interneurons are specialized to carry impulses from receptor cells into the brain or spinal cord.
True False

25). Nodes of Ranvier occur between adjacent neurons.
True False

26). A nerve is a single neuron that transmits nerve impulses.
True False

27). A deficiency of calcium in the body can result in continuous muscle contractions, or tetany.
True False

28). The subarachnoid space within the meninges contains cerebrospinal fluid.
True False

Explanation / Answer

23) This false while astrocytes provide structural support it is only with in the brain. 24) false they carry and recieve ie reflex arc 25. false they occur within the axon where they occur adjacent to each other. The synaptic cleft occurs between adjacent neurons. 26) a single nerve CELL is a single neuron. false 27) true 28) true

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