Question

question 13 (bonus) (1 point)
symptoms of disease differ from signs of disease in that symptoms
are specific for a particular disease
always occur as part of a syndrome
are changes observed by the physician
are changes felt by the patient

Explanation:

Symptoms are subjective experiences reported by the patient (e.g., pain, fatigue), while signs are objective findings observed by the physician (e.g., fever, rash). Symptoms are changes felt by the patient.

Answer:

are changes felt by the patient