For the Past Two Weeks,Gretchen Has Been Working 16 Hours

Multiple Choice

For the past two weeks,Gretchen has been working 16 hours per day on her honors thesis.In addition,she has been responsible for caring for her sick grandmother.Consequently,she has had little time for eating well,exercising,sleeping or seeing friends.As a result,Gretchen's immune system has weakened and she feels she is going to get sick.One can view this situation as an effect of

A) poor nutrition.
B) a high allostatic load.
C) hypertension.
D) cytokines.