What are the symptoms of a stroke that lifeguards should be aware of?

The symptoms of a stroke are critical for lifeguards to recognize quickly, as timely intervention can significantly impact the outcomes for the affected individual. The correct choice highlights symptoms that are characteristic of a stroke, including sudden numbness, confusion, and difficulty speaking. These symptoms occur because a stroke interrupts blood flow to the brain, causing those areas to malfunction.

Numbness, especially if it affects one side of the body, is a key indicator of how the stroke is influencing motor functions. Confusion can manifest as difficulty understanding language or being unable to respond appropriately, showcasing cognitive impairment. Difficulty speaking, known as aphasia, can indicate that the parts of the brain responsible for language are affected. Recognizing these symptoms allows lifeguards to act promptly, potentially calling for emergency medical help before further damage occurs.

In contrast, the other options present symptoms related to different medical conditions. Excessive sweating and high fever are more commonly associated with infections or heat-related illnesses. Persistent coughing and chest pain may indicate respiratory or cardiac issues rather than neurological events like a stroke. Severe headaches and blurred vision could relate to migraines or other eye conditions, but they are not the hallmark symptoms of a stroke. Therefore, understanding and identifying the correct symptoms associated with a stroke are