are secreted from the glands of the endocrine system, they are specific in that each hormone causes a response in a specific target organ or group of cells, rather than on the body as a whole. Exocrine hormones are secreted via a duct into the blood and usually effect a distant organ or tissue.
The answer would be C The illness doesn't have to be life-threatening to the point where they must go to the hospital, but it could still be a health risk.