Which of the Following is a Sign

Question

Which of the following is a sign?
A) a red rash
B) a headache
C) a pain in the chest
D) both B and C

Accepted Answer

A sign is a physical manifestation of a disease or condition that can be observed by someone else, such as a red rash. Headache and pain in the chest are symptoms, which are felt by the person experiencing them and cannot be directly observed by someone else.