Campbell Biology (10th Edition)
Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 50, Problem 4TYU

Which sensory distinction is not encoded by a difference in neuron identity?

  • (A) white and red
  • (B) red and green
  • (C) loud and faint
  • (D) salty and sweet
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Classify the following inputs and outputs as either somatic sensory (SS), visceral sensory (VS), somatic motor (SM), or visceral motor (VM).__(1) pain from skin__(2) taste__(3) efferent innervation of a gland__(4) efferent innervation of the gluteus maximus__(5) a stomachache__(6) a sound one hears__(7) efferent innervation of the masseter
Tristan accidentally touches a hot propane torch. He immediately withdraws his hand and then exclaims “ouch!” Why did Tristan exclaim “ouch!” after he had withdrawn his hand from the hot coffee? Select one: a. The threshold of the sensory receptor was exceeded and an action potential to the brain could not be triggered. b. The neural processing is faster through the spinal cord than the processing involving the brain. c. The sensory receptors in the fingers were damaged by the hot torch and were not able to send a fast signal to the brain. d. The hot torch triggered too many receptors and resulted in an excessive number of nerve impulses travelling to the brain. The brain was not able to process all the signals fast enough.
The velocity of conduction in a sensory fiber is dependent on axon diameter Omyelination length a) and b)
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