Exam 3: The Plasma Membrane and Membrane Potential

Match the following structures, labelled a. through f., to their descriptions. a.dorsal horn b.dorsal root c.dorsal root ganglion d.ventral horn e.ventral root f.lateral horn -contains cell bodies of afferent neurons

Efferent neurons leave the spinal cord through the dorsal root.

Interneurons lie entirely within the central nervous system.

Match the nervous pathways, labelled a. through d., with their descriptions. (Options may be used more than once or not at all.) a.ascending tracts b.descending tracts c.afferent neurons d.efferent neurons -carry information up the spinal cord to the brain

Match the following structures, labelled a. through f., to their descriptions. a.dorsal horn b.dorsal root c.dorsal root ganglion d.ventral horn e.ventral root f.lateral horn -Efferent fibres leave the spinal cord through this structure.

The ____________________ is a special cushioning fluid that surrounds the brain and the spinal cord.

Sound sensation is received initially by the parietal lobes.

The right and left cerebral hemispheres perform identical functions, except they control opposite sides of the body.

Match the lobes, labelled a. through d., to their descriptions. (Options may be used more than once or not at all.) a.occipital lobes b.temporal lobes c.parietal lobes d.frontal lobes -located on the sides of the head

The occipital lobe is in the anterior region of the brain.

Match these brain structures, labelled a. through e., with their associated descriptions. (Options may be used more than once or not at all.) a.cerebellum b.hypothalamus c.brain stem d.basal nuclei e.cerebral cortex -accomplishes final sensory perception

Consciousness refers to subjective awareness of the external world and self.

The cell bodies of afferent neurons synapsing in the spinal cord are located in the ____________________.

The grey matter in the CNS consists of parts of neurons not covered with myelin.

Which of these statements correctly describes long-term potentiation?

The majority of the 12 pairs of cranial nerves arise from the brain stem.

The cell bodies in the spinal cord are located primarily in the white matter.

Match the following structures, labelled a. through j., to their descriptions. a.temporal lobe b.Wernicke's area c.somatosensory cortex d.limbic association cortex e.corpus callosum f.primary motor cortex g.occipital lobe h.Broca's area i.supplementary motor area j.prefrontal association cortex -a thick band of axons traversing between the two hemispheres

Match the following structures, labelled a. through e., to their descriptions. (Options may be used more than once or not at all.) a.arachnoid villi b.subarachnoid space c.choroid plexuses d.dural sinuses e.dura mater -tough, inelastic, outer meningeal layer

What is the function of astrocytes?