Researchers Conducted a Study to Determine the Effects of Stress

Multiple Choice

Researchers conducted a study to determine the effects of stress on the immune system by measuring immune system chemicals.To accomplish this goal,they compared college students who were undergoing a stressful series of exams to a group of similar students relaxing during a time of no classes and no exams.Results of this study indicate the:

A) exam group tested higher for immune system chemicals.
B) exam group tested lower for immune system chemicals.
C) relaxed group tested lower for immune system chemicals.
D) relaxed group showed no change over the course of the study.