Biod 152 Module 2 Practice Test Questions And Answers 2023-2024

BIOD 152 MODULE 2 PRACTICE TEST QUESTIONS AND ANSWERS 2023-2024 What are the divisions of the brain? The cerebrum, brainstem, diencephalon and cerebellum. What is the brain protected by? The skeletal system, meninges, a fusion of cerebrospinal fluid and the blood-brain barrier How many ventricles are inside the brain? 4 Ventricles Cavities within the brain that are filled with CSF. Meniges three layers of connective tissue membranes that cover and protect central nervous system organs and enclose cerebrospinal fluid. Dura Mater double layered outer meninx Arachnoid meninx middle loose layer of the meninx Subdural space space between dura mater and arachnoid mater subarachnoid space a space beneath the arachnoid meninx which contains blood vessels and is filled with CSFPia mater thin, delicate inner membrane of the meninges that is tightly attached to the brain cerebrospinal fluid (CSF) a special fluid formed in the walls of the ventricles from blood plasma by permeating through choroid plexus choroid plexus A highly vascular portion of the lining of the ventricles that secretes cerebrospinal fluid. Blood-brain barrier a diffusion barrier that prevents most particles from entering the central nervous system tissue, keeping the brain and spinal chord separate from general blood circulation. astrocytes help