**Core Concept**
Whipple's triad is a collection of three criteria used to diagnose insulinoma, a type of pancreatic tumor that produces excess insulin. The triad is based on the **pathophysiology** of insulinoma, which involves the inappropriate secretion of **insulin**.

**Why the Correct Answer is Right**
The correct answer is not provided, however, Whipple's triad consists of symptoms known or likely to occur due to **hypoglycemia**, such as confusion or loss of consciousness, **low plasma glucose** measured at the time of the symptoms, and **relief of symptoms** when the glucose is raised to normal.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is not provided, however, typical symptoms of hypoglycemia are likely included in Whipple's triad.
**Option B:** This option is not provided, but low plasma glucose is a key component of Whipple's triad.
**Option C:** This option is not provided, but relief of symptoms after glucose administration is also part of the triad.

**Why Each Wrong Option is Incorrect (continued)**
**Option D:** This option is not provided.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that Whipple's triad is used to diagnose **insulinoma**, and it includes symptoms of **hypoglycemia**, **low plasma glucose**, and **relief of symptoms** after glucose administration.

**Correct Answer:** Correct Answer: D.