Before sending messages down the spinal cord and closing the pain gate, messages from the small, slow fibers must first pass through the pain gate and on to the system

A fatty substance that is wrapped around the shaft of axons in the nervous system and whose function is to insulate neurons and speed up the neural impulse is called a __________

a) synaptic vesicle. b) dendrite. c) glial cell. d) myelin cell.

Which of the following is not a requirement of the informed consent process?

A) An explanation of the risks and benefits of the study. B) Full disclosure regarding the study purpose and hypotheses in the consent form. C) The time commitment to complete the study procedures. D) An explanation of how the participant's responses will be kept confidential.