BIOD 152 Module 2 EXAM 2023 with correct answers

This is the most superficial layer of the brain meninges correct answersDura Mater (Menix) This layer of the meninges is tightly attached to the brain. correct answersPia mater (Menix) The _______ fissure separates the right and left cerebral hemispheres. correct answersmedian The ______ fissure separates the cerebrum from the cerebellum. correct answersTransverse Describe the function of the brain ventricles. correct answersThere are four ventricles in the interior of the brain, chambers filled with cerebrospinal fluid which is produced there. Once formed the CSF circulates through the ventricles and into the subarachnoid space bathing and floating the brain. What is the purpose of the blood-brain barrier? Describe its maintenance from a cellular level. correct answersThe 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. All the following are functions of the hypothalamus except: correct answersRelays sensory impulses to the cerebrum This ventricle is located anterior to the cerebellum. correct answersfourth What is the largest portion of the brain? correct answersCerebrum This region of the brain acts to coordinate multiple sources of sensory information. correct answersAssociation area