Which of the following would not result in the dilation of the feeder arterioles and opening of the precapillary sphincters in systemic capillary beds? (a) a decrease in local tissue O 2 content, (b)...

Which of the following would not result in the dilation of the feeder arterioles and opening of the precapillary sphincters in systemic capillary beds?

(a) a decrease in local tissue O₂
content,

(b) an increase in local tissue CO₂,

(c) a local increase in histamine,

(d) a local increase in pH.