Which of the following best defines symptoms in a health context?

In a health context, symptoms are defined as noticeable changes in how a person feels or looks. This encompasses physical manifestations, such as pain, fatigue, or visible changes like rashes, as well as emotional or psychological states. Symptoms are often the body's way of signaling that something may be wrong, prompting further investigation or a medical diagnosis.

The other options present concepts unrelated to health symptoms. Mentioning financial distress refers to economic concerns, which do not pertain to the physical or emotional indicators of health. An indication of success typically relates to achievements or accomplishments, which are not indicative of health conditions. Lastly, a measurement of temperature, while relevant to monitoring health, specifically relates to quantifying bodily function rather than describing subjective experiences like symptoms. Thus, the best definition of symptoms in a healthcare setting is indeed the noticeable change in how a person feels or looks.