BIOD 152 MODULE 2 EXAM.. Latest updated exam questions with 100%correct and verified Answers 2023

BIOD 152 MODULE 2 EXAM.. Latest updated exam questions with 100%correct and verified Answers 2023 Describe how memories are stored and retrieved in the brain. Include a specific brain region. Your Answer: (cerebral hemispheres) The hippocampus is a memory center and helps with memory storage Memories are not stored in one specific area within the brain but instead are stored throughout the cerebral hemispheres. The hippocampus acts as a memory center to help with memory storage and retrieval. The involvement of the limbic system explains why emotionally charged events result in our most vivid memories. A patient is having difficulty understanding language but is still able to speak fluently. The patient’s dermatomes are intact. Which area of the brain is most likely damaged? Broca’s area Correct! Wernicke’s area Occipital lobe Parietal lobe Primary sensory cortex What is the purpose of the blood-brain barrier? Describe its maintenance from a cellular level. Your Answer: prevents most particles from entering the central nervous system. It keeps the brain separated from the spinal cord for blood circulation The blood-brain barrier is a diffusion barrier which prevents most particles from entering the central nervous system tissue, keeping the brain and spinal cord separate from general blood circulation. The blood-brain barrier is formed by the relatively impermeable brain capillaries, due to the glial cells astrocytes. Maintenance of the blood-brain-barrier is important to provide a stable chemical environment for the nervous system.