Written Lifeguarding Practice Test

A stroke is caused by a disruption of blood flow to the brain, which can lead to symptoms such as slurred speech, weakness or numbness on one side of the body, and facial drooping. It is important to note the time the symptoms started in order to determine the best course of treatment, as certain treatments are most effective when administered within a specific time frame. The other options are incorrect because they do not align with the specific symptoms described. A head, neck or spinal injury may cause weakness or numbness, but would not typically affect speech or facial muscles. Internal bleeding and poisoning may also cause weakness or numbness, but would not typically affect speech or facial muscles in the way described.