Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Chapter 6, Problem 14CP
Summary Introduction
To review:
One situation in which sensory neurons are important.
Introduction:
Sensory neurons are the most important part of the nervous system. They help us identify various senses like touch, sound, taste, vision, and odor. They can convert external stimuli into internal electrical impulses.
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Describe one situation in which these sensory neurons are important.
Explain the various characteristics of a stimulus that sensory receptors provide to the CNS.
Applying a pressure stimulus to the fluid-filled capsule of an isolated Pacinian corpuscle causes a brief burst of action potentials in the afferent neuron, which ceases until the pressure is removed, at which time another brief burst of action potentials occurs. If an experimenter removes the capsule and applies pressure directly to the afferent neuron ending, action potentials are continuously fired during the stimulus. Explain these results in the context ofadaptation.
Chapter 6 Solutions
Principles of Anatomy and Physiology
Ch. 6 - How does the skeletal system function in support,...Ch. 6 - 2. Describe the role of bones in blood cell...Ch. 6 - Which bones contain red bone marrow?Ch. 6 - How do red bone marrow and yellow bone marrow...Ch. 6 - 5. Diagram the parts of a long bone, and list the...Ch. 6 - Why is bone considered a connective tissue?Ch. 6 - What factors contribute to the hardness and...Ch. 6 - 8. List the four types of cells in bone tissue and...Ch. 6 - What is the composition of the extracellular...Ch. 6 - Prob. 10CP
Ch. 6 - What is a bone scan and how is it used clinically?Ch. 6 - Prob. 12CPCh. 6 - Which part of a bone contains sensory nerves...Ch. 6 - Prob. 14CPCh. 6 - Prob. 15CPCh. 6 - 16. What are the major events of intramembranous...Ch. 6 - 17. Describe the zones of the epiphyseal (growth)...Ch. 6 - Explain how bone growth in length differs from...Ch. 6 - How could the metaphyseal area of a bone help...Ch. 6 - Define remodeling, and describe the roles of...Ch. 6 - Prob. 21CPCh. 6 - List the types of fractures and outline the four...Ch. 6 - 23. Define each of the common fractures.
Ch. 6 - 24. How do hormones act on bone to regulate...Ch. 6 - 25. How do mechanical stresses strengthen bone...Ch. 6 - Would children raised in space ever be able to...Ch. 6 - Prob. 27CPCh. 6 - Prob. 28CPCh. 6 - What changes occur in the organic part of bone...Ch. 6 - Prob. 1CTQCh. 6 - Prob. 2CTQCh. 6 - Astronauts in space exercise as part of their...
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- In general, how do sensory systems function?arrow_forwardWhat information is conducted by sensory pathways?arrow_forwardMultiple sclerosis is a demyelinating disease affecting the central nervous system. What type of cell would be the most likely target of this disease? Why? Which type of neuron, based on its shape, is best suited for relaying information directly from one neuron to another? Explain why. Sensory fibers, or pathways, are referred to as “afferent.” Motor fibers, or pathways, are referred to as “efferent.” What can you infer about the meaning of these two terms (afferent and efferent) in a structural or anatomical context?arrow_forward
- Compare and contrast the somatic sensory and visceral sensorycomponentsarrow_forwardWhat are the general locations and functions of primary, secondary, and tertiary neurons in sensory pathways?arrow_forwardSuppose that a sensory neuron in the periphery generates a trainof action potentials, and synaptically excites an interneuronin the CNS. What does this signal mean? What additionalinformation does the interneuron need in order to decode themessage?arrow_forward
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