The brain and spinal cord are surrounded by three protective membranes collectively known as: Question 17 options: 1) The meninges 2) The myelin 3) The cerebral cortex 4) The cerebral ventricles
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The human brain is protected by (a) meninges, cerebrospinal fluid, and skull bones (b) meninges and skull bones only (c) dura mater and fourth ventricle (d) pia mater and skull bones (e) arachnoid, pia mater, cerebrospinal fluid, and ganglia
PRE-LAB 16: CNS PROTECTIVE COVERINGS PROTECTIVE STRUCTURES OF THE CENTRAL NERVOUS SYSTEM (CNS) The central nervous system (brain and spinal cord) are protected by bones that surround the organs, meninges (3 layers of connective tissue), and cerebrospinal fluid (a liquid secreted by the ependymal cells, a type of neuroglia you learned about in the previous lab). 1. List the bones that protect the organs of the CNS. You may wish to refer back to the Axial Skeleton in Chapter 6 of your textbook. Identify these bones on the available skulls and vertebral columns. Region of the CNS | Bones that Protect this Region Spinal Cord | *There are 24 bones! Brain | *There are 8 bones! 2. The Meninges a. Read about the Spinal Meninges on p. 361 & 364, and the Cranial Meninges on pp. 406-409. Complete the following table comparing and contrasting the structure and function of each of the meninges. | | Structure and Function in the Spine | Structure and Function in the Brain | Dura mater | | | | Arachnoid mater | | | | Pia mater | | |
Sri K.
The membranes that protect the brain and spinal cord are called. What are the interconnecting spaces that produce and serve as a reservoir for cerebrospinal fluid in the brain called? 10. The primary functions of the spinal cord involve 11. Which part of the brain contains centers for the heartbeat and respiration? 12. Which part of the brain is used to integrate incoming information and send it to the appropriate portion of the cerebrum? 13. Consciousness is best associated with which parts of the brain? 14. Which lobe of the cerebrum is responsible for vision? 15. The cerebrum is the largest portion of the brain in humans. T/F 16. A stroke results from a disruption of the blood supply to the brain. T/F 17. Both meningitis and kuru involve infectious agents. 18. The diencephalon consists of these two parts 19. Distinguish between a nerve and a tract.
Adi S.
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