Which of the following is one way that ions are related to pain?
A) Potassium ions are released by bradykinin, which activates pain receptors.
B) Magnesium ions bind to potassium ions, creating bradykinin, which activates pain receptors.
C) Potassium ions directly activate nociceptors.
D) Potassium ions, when combined with bradykinin, cause cell damage. The cell then signals the brain to perceive pain.
Correct Answer:
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