Accepted Answer
Symptoms of disease differ from signs of disease in that symptoms are changes felt by the patient. That is option A.What is a disease?A disease is an abnormal condition that is caused by various mechanisms or invading microorganisms which alters the normal anatomical and physiological environment of an individual.When disease occurs, there are signs and symptoms knowns as the clinical manifestations expected to be seen with respect to the causative factor of such disease.The symptoms of a disease is said to be subjective because it can only be identified by the individual that is suffering from the disease.The signs are said to be objective because it can be observed by another person, the physician, and a diagnosis can be made.For example, a patient suffering from typhoid fever may have symptoms of general body malaise but the signs observed by the physician can be the step like fever of typhoid using the thermometer.Learn more about diseases here:https://brainly.com/question/25476918#SPJ1