(Solved): Write the appropriate term in each blank from the list below. central nervous system peripheral ne ...

Write the appropriate term in each blank from the list below. central nervous system peripheral nervous system somatic nervous system sympathetic nervous system parasympathetic nervous system autonomic nervous system 1. The functional division that controls the heart 2. The functional division that controls skeletal muscles 3. The system that promotes the fight or flight response 4. The system that stimulates the activity of the digestive tract 5. The structural division that includes the brain 6. The structural division that includes the cranial nerves Chapter 8 The Nervous System:The Spinal Cord and Spinal Nerves 143 3. EXPLAIN THE CONSTRUCTION AND FUNCTION OF THE MYELIN SHEATH Write the appropriate term in each blank from the list below. dendrite neurilemma axon node white matter gray matter 1. A neuron fiber that carries impulses away from the cell body 2. The part of a neuron that receives a stimulus 3. The sheath around some neuron fibers that aids in regeneration 4. A gap in the neuron sheath 5. The portion of the spinal cord made up of myelinated axons 6. Neural tissue composed of cell bodies and unmyelinated axons FORMATION OF A MYELIN SHEATH (TEXT FIG. 8-4) 1. Which of the following terms describes a skin region supplied by a single spinal nerve? a. dermatome 1. b. ganglion c. plexus d. synapse 2. Which of these structures would be most abundant in white matter? a. dendrites 2. b. neuron cell bodies c. myelinated axons d. unmyelinated axons 3. Which of the following are effectors of the nervous system? a. sensory neurons and ganglia 3. b. receptors and neurotransmitters c. synapses and dendrites d. muscles and glands 4. Where would you find cell bodies of somatic sensory neurons? a. dorsal root of the spinal cord b. sympathetic chain c. ventral root of the spinal cord d. effector organ 5. Which of the following substances is a neurotransmitter? a. myelin b. actin c. epinephrine d. sebum 6. What happens during the falling phase of the action potential? a. sodium ions enter the neuron. b. potassium ions leave the neuron. c. sodium ions leave the neuron. d. potassium ions enter the neuron. 7. Which neuron type conveys impulses within the spinal cord? a. sensory neurons b. motor neurons c. mixed nerves d. interneurons write the word or phrase that correctly completes each sentence. 1. Fibers that carry impulses toward the neuron cell body are called 2. The portion of the spinal cord made up of cell bodies and unmyelinated axons is called the 3. The fatty material that covers some axons is called 4. Dilation of the bronchial tubes is increased by the part of the autonomic nervous system called the 5. The tiny space separating the presynaptic and postsynaptic neurons is the 6. The network of spinal nerves that supplies the pelvis and legs is the 7. The brain and spinal cord together are referred to as the 8. The neurotransmitter used at cholinergic synapses is 9. The small channel in the center of the spinal cord that contains cerebrospinal fluid is the 10. The ion responsible for the rising phase of the action potential is 11. The spinal nerve branch that travels to the back is known as the