Week 7 and 8 Master Worksheet
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1 The Nervous System Week 7 and 8 Master Worksheet 1. Complete the chart regarding the 3 functions of the nervous system: Sensory input What does it do? Integration Motor output 2. Complete the chart: Component Structural Classification Parts Central nervous system Peripheral nervous system Functional Classification Component Function (Role) Sensory (afferent) Motor (efferent) 3. Circle the correct response: Somatic responses are voluntary / involuntary. They involve skeletal muscle / smooth muscle / cardiac muscle. Autonomic responses are voluntary / involuntary. They involve skeletal muscle/smooth muscle/cardiac muscle. 4. Answer the following questions: Rikki is playing laser tag and running away from an attacker. She is running out of points and needs to hide quickly. Which autonomic nervous system component is she using more of? Why? Cindy just finished a big meal, and she is now lying on the couch with a good book and a mug of tea. Which autonomic nervous system component is she using more of? Why?
2 5. Complete the table: Type of Nervous Tissue Week 7 and 8 Master Worksheet Function (Role) Neurons Neuroglia 6. Complete the table: Type of Glial Cell Location Function Astrocyte Ependymal cells CNS Phagocytic Clean up cellular debris and bacteria Satellite cells CNS Form myelin sheaths in CNS PNS Form myelin sheaths in PNS 7. Use the space below to draw a neuron. Label using the letters in the word bank. Is this neuron located in the central or peripheral nervous system? Why? A. Cell body J. Myelin sheath B. Axon terminal K. Dendrites C. Pre-synaptic neuron L. Direction of flow of information D. Vesicles M. Axon E. Synaptic cleft N. Nissl substance F. Synapse O. Axon hillock G. Nodes of Ranvier P. Nucleus H. Schwann cells Q. Post-synaptic neuron I. Neurotransmitters
3 8. What is the difference between gray matter and white matter? 9. Fill in the blanks regarding the 3 types of neurons divided based on function. Sensory neurons take information from the and take it to the. Interneurons are found only in the. They take information from and bring it to. Motor neurons take information from the and take it to. 10. Complete the table regarding the 3 types of neurons divided based on structure. Type of Neuron Drawing Description What kinds of neurons? Multipolar Bipolar Unipolar 11. Complete the table regarding the types of sensory receptors. Type Drawing Function Location Cutaneous Free Nerve Ending Meissner s Corpuscle Lamellar Corpuscle Proprioceptor Golgi Tendon Organ Muscle Spindle
4 12. Complete the table regarding nerve signal conduction. Term Drawing (show axon, ECF, ions, Description of this stage membrane proteins) Resting Potential Depolarization Graded Potential Action Potential Repolarization Ionic Gradient Restoration 13. Number the following steps in the correct order. Action potential occurs on post-synaptic membrane Calcium stimulates vesicles to fuse with membrane of pre-synaptic membrane Calcium channels stimulated Action potential reaches axon terminal Vesicles release neurotransmitters into synaptic cleft using exocytosis Calcium ions move into axon terminal through channels Neurotransmitter binds to receptors on post-synaptic membrane What event is this? What is the role of neurotransmitters in the process of nerve transmission?
5 The Central Nervous System Week 7 and 8 Master Worksheet 1. Fill in the blanks: The major portion of the brain is called the. This structure has hemispheres. Ridges of tissue are called. Small grooves are called, and larger grooves are called. 2. Label the lobes of the brain below. Include descriptions of each lobe. 3. Label the brain below. Include descriptions of each part.
6 4. Label the diagram with the words provided in the chart. Complete the chart with a description of the function of each area. H B I A C K J E Letter Region Prefrontal area: memory and judgement Prefrontal area: problem solving F Function D G Visual area Recognize sensory stimuli (pain, temperature, light touch); homunculus Receive and interpret scents Auditory area Primary motor area Ability to vocalize speech (movement) Anterior association area Recognizing patterns and faces, blending different inputs into one understanding Language comprehension Which area can we not see? Why is this? What does this area do?
7 5. Fill in the table. Name of layer Location Week 7 and 8 Master Worksheet Structure Dura mater Intermediate layer Innermost layer Attached right to the surface of the brain and spinal cord. 6. Fill in the blanks: and form the blood brain barrier. The blood brain barrier s function is to Important substances like,,,, and are able to cross the blood brain barrier,,, and most are unable to cross the blood brain barrier Cerebral spinal fluid is similar to but has less and a different. CSF moves through and to provide. To return to the blood it must enter the. 7. Label the following image regarding the CNS using the words provided. A. Gray Matter B. White Matter C. Pia Matter D. Arachnoid Matter E. Dura Matter F. Dorsal Horn G. Central Canal H. Ventral Horn 8. Answer the following questions: What is contained in the dorsal horn? What is contained in the central horn? How many tracts are in the white matter of the spinal cord? What are the tract(s) name(s) and function(s)?
8 The Peripheral Nervous System 1. Label the diagram below. 2. Explain the differences between the 3 types of nerves. : : : 3. Complete the table. # Name Function(s) Sensory, Motor, or Both? 1 Olfactory 2 Optic 3 Oculomotor 4 Trochlear 5 Trigeminal 6 Abducens 7 Facial 8 Vestibulocochlear 9 Glossopharyngeal 10 Vagus 11 Accessory 12 Hypoglossal
9 4. Create an acronym to help you remember: O O O T T A F V G V A H S S M M B M B S B B M M 5. Fill in the blanks: There are pairs of spinal nerves pairs of cervical nerves pairs of thoracic nerves pairs of lumbar nerves pairs of sacral nerves 6. Circle the correct response: The spinal nerve T4 exits inferior / superior to the vertebrae T4. The spinal nerve C1 exits inferior / superior to the vertebrae C1 o What does this cause? Spinal nerves are classified as sensory / motor / mixed nerves. 6. Label the following diagram regarding the PNS using the words provided. A. Dorsal Root B. Ventral Root C. Dorsal Root Ganglion 7. Answer the following questions: What is the dorsal root ganglion? What is contained in the dorsal root? What is contained in the ventral root?
10 8. Define reflex arc. 9. Describe the 2 types of reflex arcs and give an example of each. : : 10. Complete the table regarding the elements of a reflex arc. Element Description Example: 11. Complete the chart. Division Description Examples What would it do to Heart Rate Pupils Glycogenolysis Sympathetic Parasympathetic 12. Complete the table regarding the types of neurons and receptors in the autonomic nervous system. Cholinergic Adrenergic Division of ANS Neurons Included Neurotransmitter Released Neurotransmitter it Binds Location of Receptor (muscle/gland) Subdivisions 13. Describe the effects of aging on the nervous system.
11 14. Complete the chart regarding how the nervous system works with the other body systems. Endocrine System Lymphatic System Digestive System Urinary System Muscular System Respiratory System Cardiovascular System Reproductive System Integumentary System Skeletal System
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