<prompt> Answer this question truthfullyWhat are some examples of inhibitors of complex IV in the electron transport chain ETC, and how do they affect the ETC?  <response>: <reason> Some examples of inhibitors of complex IV in the electron transport chain ETC include carbon monoxide, cyanide, and sodium azide. These inhibitors prevent the transfer of electrons from cytochrome c to oxygen, which ultimately leads to a decrease in ATP production. 