NR 546 Exam Questions with Correct Answers

NR 546 Exam Questions with Correct Answers Damage to the anterior portion of the parietal lobe may cause asterogenesis, the loss of ability to recognize objects via the sense of touch. This may be experienced by patients with post cerebral vascular accidents Temporal Lobe - Answer-is located on the sides of the brain and involved in short-term memory, speech, auditory signals, and smell recognition. It identifies "what" things are - object identification. It contains the limbic system, amygdala, and hippocampus. There are multiple pathways within the temporal lobe which affect object identification and language comprehension, including the ability to understand semantics. A dominant temporal lobe lesion can present as Wernicke's aphasia. Temporal lobe disorders include dementia, affective disorders, and attention deficit hyperactivity disorders (ADHD). Occipital Lobe - Answer-This is the back part of the brain and controls visual processing. Damage to this lobe results in the inability to form visual memories. Bilateral lobe damage results in the inability to recognize items by sight even though vision is normal. Occipital lobe seizures can cause hallucinations, such as lines of color. Dorsal Striatum - Answer-This is involved in complex motor actions and linkage of cognition to motor actions. It is the main input area for the basal ganglia and is activated when anticipating or engaging in pleasure Basal Ganglia - Answer-A group of structures involved in voluntary motor movements, cognition, and emotion. Basal ganglia movement disorders include Parkinson's disease, obsessive-compulsive disorder (OCD), and Tourette syndrome. The striatum is a group of structures that includes the caudate, putamen, and nucleus accumbens. The dorsal striatum contains the caudate nucleus and the putamen. The ventral striatum contains the nucleus accumbens. Both are involved in facilitating voluntary movement