Wof are anti diabetic agents that acts by increasing insulin sensitivity, and so should be euglycemics
**Core Concept:** Insulin sensitivity is a crucial determinant of glycemic control in diabetes mellitus. Anti-diabetic agents are categorized based on their mode of action, including increasing insulin sensitivity, which helps maintain euglycemia (normal blood glucose levels).
**Why the Correct Answer is Right:**
Anti-diabetic agents that increase insulin sensitivity help in better utilization of glucose by cells, reducing the need for higher insulin levels to maintain euglycemia. This is particularly beneficial in patients with type 2 diabetes mellitus, where insulin resistance is the primary issue.
**Why Each Wrong Option is Incorrect:**
A. **Option A (Sulfonylureas):** These agents stimulate insulin secretion from the pancreas, primarily targeting beta cells. While helpful, they do not solely increase insulin sensitivity, making them less accurate for the given question.
B. **Option B (Thiazolidinediones):** These agents increase insulin sensitivity, but they are not euglycemic in nature. They primarily act on adipose tissue, skeletal muscle, and liver, promoting glucose uptake and reducing glucose production, but do not guarantee euglycemia.
C. **Option C (Meglitinides):** Similar to A, these agents stimulate insulin secretion primarily from the pancreas, not solely increasing insulin sensitivity leading to euglycemia.
D. **Option D (Biguanides):** Metformin, a biguanide, increases insulin sensitivity, but it is not strictly euglycemic. It primarily acts on the liver, decreasing glucose production without guaranteeing euglycemia.
**Clinical Pearl / High-Yield Fact:** Euglycemic agents are those that primarily ensure euglycemia by increasing insulin sensitivity, ensuring better glucose uptake by target cells without significant glucose production changes.
**Correct Answer:** Option C (Meglitinides). Meglitinides primarily stimulate insulin secretion from the pancreas, increasing insulin sensitivity, and thus help maintain euglycemia. However, they do not guarantee absolute euglycemia due to their pancreatic insulinotropic effect.