bio 210-chapter 11 Exam Questions and Answers 100% Pass
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Course
Bio 210
Institution
Bio 210
bio 210-chapter 11 Exam Questions and
Answers 100% Pass
The nervous system is? - Answer- The master controlling and communicating system of
the body
The three functions of the nervous system are? - Answer- 1. Sensory input
2. Integration
3. Motor output
The sensory input - Answer- gathers in...
bio 210-chapter 11 Exam Questions an d Answers 100% Pass The nervous system is? - Answer - The master controlling and communicating system of the body The three functions of the nervous system are? - Answer - 1. Sensory input 2. Integration 3. Motor output The sensory input - Answer - gathers information by the internal and external sensory receptors The integration function - Answer - processes and interprets the sensory input The motor output function - Answer - activates the effector organs (muscles and glads) and produces the appropriate response The central nervous system is composed of? - Answer - The brain and spinal cord of the dorsal body cavity The peripheral nervous system is composed of? - Answer - Spinal and cranial nerves The peripheral nervous system has two functional divisions known as? - Answer - Sensory and motor divisions Sensory is also known as - Answer - Afferent Division Motor is also known as - Answer - Efferent division The somatic nervous system - Answer - conducts impulses from the Central Nervous System to Skeletal muscle Autonomic Nervous System - Answer - consists of visceral motor nerve fibers, and regulates smooth and cardiac muscles, and glands In the autonomic nervous system there are two functional subdivisions. What are they? - Answer - Sympathetic and Parasympathetic subdivisions Neuroglia cells - Answer - small cells that surround and wrap delicate neurons Neurons or nerve cells are - Answer - excitable cells that transmit electrical signals Four main neuroglia that support the Central Nervous System neurons are? - Answer - Astrocytes, Microglial cells, ependymal cells, and oligodendrocytes Astrocytes are? - Answer - most abundant and versatile glial cells Astrocytes - Answer - Support and brace neurons Microglial cells are - Answer - small, ovoid cells with thorny processes that touch and monitor neurons Ependymal Cells - Answer - Range in shape from squamous to columnar and line central cavities of the brain and spinal column Oligodendrocytes are - Answer - branched cells that insulate myelin sheaths in thicker nerve fibers Satellite cells - Answer - Surround neuron cell bodies in PNS Schwann cells - Answer - surround all Peripheral nerve fibers and form myelin sheaths in thicker nerve fibers Neurons are - Answer - structural and functional units of the nervous system In the neuron process tracts are? - Answer - Bundles of neuron processes in CNS In the neuron process nerves are? - Answer - Bundles of neurons in PNS The two types of neuron processes are? - Answer - Dendrites and axon
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