**Core Concept**
Burns result in a complex pathophysiological response involving various systemic and local changes, including alterations in the immune response, fluid shifts, and electrolyte imbalance. The body's response to burns involves the release of various hormones and cytokines, which can affect multiple organ systems.

**Why the Correct Answer is Right**
Burns are known to cause a decrease in the levels of various substances due to the release of cytokines and hormones. One of the substances that is decreased in burns is **Albumin**, which is a critical component of plasma proteins. The decrease in albumin is due to the increased capillary permeability and the shift of fluid from the intravascular space to the interstitial space.

**Why Each Wrong Option is Incorrect**
**Option A:**
*Not provided*

**Option B:**
*Not provided*

**Option C:**
*Not provided*

**Clinical Pearl / High-Yield Fact**
Burns can lead to a decrease in the levels of various nutrients, including vitamins and minerals, due to the increased metabolic demand and the loss of nutrients through the burn wound. This can lead to a condition known as **malnutrition**, which can have serious consequences if not addressed.

**Correct Answer:** A
Albumin