Nociceptors are sensitive to mechanical, thermal, electrical stimuli, and toxic substances.
Answer the following statement true (T) or false (F)
True
Any of these can cause inflammation and result in the release of chemicals by damaged tissues that activate the nociceptors.
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Disturbances in sensory neurons will result in an
action potential if the a. potential is graded. b. potential change remains local. c. graded potential of threshold size reaches a trigger zone. d. localized potential changes do not spread too far. e. potential changes become downgraded to localized ones.
Which layer of the digestive tract contains blood and lymph vessels and nerve cells?
a. mucosa b. submucosa c. serosa d. smooth muscle e. endothelium
If a portion of the pancreas is surgically removed from a rat and the rat subsequently loses its appetite, one explanation is that the removed portion contains cells that secrete a chemical signal that somehow stimulates appetite
Given this scenario, what type of chemical signaling is occurring? A) autocrine B) paracrine C) endocrine D) neuroendocrine
What are the functions of the three proteins of the Ruv complex?
What will be an ideal response?