Research revealed that patients who received chemotherapy in a hospital setting subsequently experienced a(n) _____ immune response when they visited the hospital again but did not receive chemotherapy. In this case, the _____ would be classified as the CS.
A) enhanced; hospital
B) suppressed; hospital
C) enhanced; chemotherapy
D) suppressed; chemotherapy

Question

Quizplus · Accepted Answer

The correct answer is B) suppressed; hospital. This is because the hospital environment acts as a conditioned stimulus (CS) that, through association with the chemotherapy (the unconditioned stimulus, which naturally suppresses the immune system), leads to a conditioned suppression of the immune response even in the absence of the chemotherapy.

Research Revealed That Patients Who Received Chemotherapy in a Hospital