CU NR 546 Latest Study Guide Exam Questions with Correct Answers

CU NR 546 Latest Study Guide Exam Questions with Correct Answers White Matter - Answer-contains nerve fibers that connect neurons from different regions into functional circuits. The myelin that coats neuronal axons is necessary for electrical impulse transmission. Think of the white matter as a transit system. If there are breaks in the system, then people cannot get to their destinations. Within the brain, these breaks affect neural communication, affecting behavior. Damage to the myelin can impair transmission which can impact not only sensory and motor function, but also cognition. White matter abnormalities are associated with autism and vascular dementia. The central sulcus separates which lobes? - Answer-frontal lobe from parietal lobe Frontal lobe - Answer-Associated with movement, intelligence, abstract thinking. etc. Broca's area - Answer-Speech Temporal lobe - Answer-Involves object identification and auditory signals Cerebellum - Answer-coordination and balance Wernicke's area - Answer-Speech comprehension occipital lobe - Answer-Primary visual area parietal lobe - Answer-Keeps us alert to what is going on around us Sensory Cortex - Answer-Pain, heat, and other sensations motor cortex - Answer-Movement Hippocampus - Answer-Involved in both memory and anxiety Nucleus accumbens - Answer-Involved in the reward process. Thalamus - Answer-Involved in sensory organ and motor command processing Striatum - Answer-Involved in complex motor actions, also links cognition to motor actions