Final answer:
Dehydration occurs when there is a significant loss of water and salt from the body, often through sweat, vomiting, or diarrhea. Symptoms include low blood pressure, dizziness, and fatigue, and it can be prevented by staying hydrated and replenishing electrolytes.
Step-by-step explanation:
The heat exposure injury that results from a loss of excessive amounts of salt and water is known as dehydration. Dehydration can occur due to multiple factors such as heat exposure, excessive sweating, vomiting, or diarrhea. People in hot climates or those engaging in prolonged physical activity without adequate water intake are especially at risk. The body loses both water and electrolytes, leading to a decreased blood volume. Low blood pressure, dizziness, and fatigue are some common symptoms.
In severe cases, it can result in loss of consciousness and even death. To prevent dehydration, it’s essential to stay hydrated and replenish electrolytes, especially in warm environments or during intense physical activity.