Question: John, diagnosed with type 2 diabetes, is interested in understanding the mechanism behind the disease. Which of the following best describes how insulin dysfunction leads to hyperglycemia in type 2 diabetes? Need Assignment Help? a. The pancreas produces too much insulin, which causes an overload of glucose in the bloodstream. b. Insulin secretion is excessive, leading to glucose accumulation in the liver. c. Insulin resistance or deficiency prevents glucose from entering cells, causing blood glucose levels to rise. d. Increased physical activity reduces insulin resistance, leading to lower blood glucose levels