## **Core Concept**
Insulin-induced hypoglycemia is a critical condition requiring immediate treatment to restore blood glucose levels to normal. The primary goal is to rapidly increase blood glucose levels using specific treatments.

## **Why the Correct Answer is Right**
Glucagon is a standard treatment for insulin-induced hypoglycemia. It works by stimulating glycogenolysis and gluconeogenesis in the liver, thereby increasing glucose release into the bloodstream. On the other hand, **Propranolol**, a beta-blocker, would not be used to treat insulin-induced hypoglycemia because it can mask the symptoms of hypoglycemia (like tachycardia) and potentially worsen hypoglycemia by blocking beta-2 receptor-mediated glycogenolysis and gluconeogenesis in the liver.

## **Why Each Wrong Option is Incorrect**
* **Option A:** Glucose (or dextrose) is a first-line treatment for hypoglycemia as it directly increases blood glucose levels.
* **Option B:** Glucagon is used for treating hypoglycemia, especially when the patient cannot take glucose orally.
* **Option D:** Diazoxide can be used in some cases of hypoglycemia, particularly those due to insulinomas, by closing potassium channels in the pancreas and inhibiting insulin release.

## **Clinical Pearl / High-Yield Fact**
A key clinical pearl is that for patients on beta-blockers, the typical symptoms of hypoglycemia (like tachycardia) might be blunted, making diagnosis more challenging. Always consider the patient's medication history when evaluating for hypoglycemia.

## **Correct Answer:** . Propranolol