R.EEG.T Study Guide| 251 Questions| With Complete Solutions

The meninges, meaning membranes, are the outer coverings of these structures correct answer: Brain, spinal cord, and proximal nerve roots The three tissue layers enveloping the brain correct answer: 1) Dura Mater-outermost layer, strongest and thickest 2) Arachnoid Mater - thin membrane enclosers the subarachnoid space 3) Pia Mater - innermost layer, follows contour of cortex, composed of 2 layers highly vascular and sheaths blood vessels as they enter brain CSF filled pace between the arachnoid mater and pia mater. Contains CSF bridging veins that travel over the surface of the CNS. correct answer: Subarachnoid space Where the primary motor cortex (Brodmann's area 4) is located in the brain correct answer: In the precentral gyrus in the frontal lobe. It is the cortical area from which movements are most easily elicited and the source of about a third of the coricospinal tract Where the motor speech are (Broca's area) is located in the brain correct answer: In the inferior frontal gyrus in teh frontal lobe usually on the left side Where the primary somatosensory cortex is located in the brain correct answer: In the post central gyrus of the parietal lobe Where the receptive speech area is located in the brain correct answer: In the suramarginal and angular gyri of the parietal lobe, also includes adjoining regions of the temporal and occipital lobes What the corpus collosum interconnects correct answer: Commisure that connects the right and left cerebral hemispheres The brainstem is composed of these main structures correct answer: Contains nuclei for most of the cranial nerves and