Which of the following findings should the nurse report to the provider?

The correct answer is C: Cool, clammy skin. This finding indicates poor perfusion and potential hypoperfusion, which are critical conditions requiring immediate medical attention. Cool, clammy skin can be a sign of decreased blood flow and oxygen delivery to tissues. It suggests a possible decrease in cardiac output or circulation. Reporting this finding promptly to the healthcare provider is crucial for timely intervention to prevent further complications. Choices A and B are within normal ranges for heart rate and blood pressure. Choice D, moderate lochia serosa, is a normal postpartum finding as long as it is not excessive or accompanied by other concerning symptoms.