In Addition to Illness-Specific Symptoms, Patients May Develop General Physical

In addition to illness-specific symptoms, patients may develop general physical effects such as fever, pain, nausea, lack of appetite, and difficulty with urination or elimination. These effects may be due to _______

A) emotional reactions to the illness.
B) change in daily routine, diet, or exercise habits.
C) medications.
D) any of the above.