Answered: Why did Tristan exclaim “ouch!” after…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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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 after he had withdrawn his hand from the hot coffee?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.

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