Answer:
Cause
Step-by-step explanation:
Navajo health system classifies illness by
CAUSE rather than by symptom, clients may have difficulty understanding the necessity for a physical exam or medical history because the client will only be interested by what actually cause the illness or the cause of the illness rather than the symptoms of the illness which will lead the client to experience difficulties in understanding the necessity or important for a physician examination of their body or their past medical history because their believe will be once the cause of the illness is known, then no need for medical history.