A Patient Starts Chemotherapy and Becomes Ill Each Time After

Multiple Choice

A patient starts chemotherapy and becomes ill each time after he receives it. After a few weeks of treatment, he develops anticipatory nausea at the mere sight of the waiting room at the hospital. In this instance, the unconditioned stimulus would be considered the _.

A) nausea induced by the waiting room
B) chemotherapy
C) waiting room
D) nausea induced by the chemotherapy