**Core Concept**
Heat-induced rhabdomyolysis is a severe medical condition caused by intense physical activity in a hot environment, leading to muscle damage, metabolic disturbances, and electrolyte imbalances.

**Why the Correct Answer is Right**
During prolonged exercise in hot temperatures, the body's ability to regulate temperature through sweating is impaired. This leads to hyperthermia, which triggers a cascade of events including muscle damage, lactic acidosis, and electrolyte disturbances. The impaired sweat response and subsequent hyperthermia cause a significant increase in intramuscular calcium, leading to muscle necrosis (rhabdomyolysis). The resulting metabolic acidosis and hypocalcemia further exacerbate the condition.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is not relevant to the clinical presentation described.
**Option B:** While heat exhaustion is a related condition, it does not fully capture the severity of the symptoms and complications described.
**Option C:** Heat stroke is a more severe condition, but it typically presents with central nervous system symptoms, which are not mentioned in the scenario.
**Option D:** This option is not a recognized medical condition related to the symptoms described.

**Clinical Pearl / High-Yield Fact**
Heat-induced rhabdomyolysis is a medical emergency that requires prompt recognition and treatment, including aggressive cooling measures, fluid resuscitation, and management of electrolyte imbalances.

**Correct Answer: C. Heat stroke.**