In studies on stress and immune function, rats that received electric shocks were unlikely to develop ulcers if the
A
shocks were paired with loud noises
B
rats had control over the shocks
C
shocks were unpredictable
D
rats were isolated from other rats
0 댓글
검증된 단계별 안내
1
Step 1: Understand the context of the problem, which involves the relationship between stress (electric shocks) and immune function (development of ulcers) in rats.
Step 2: Recognize that the key variable affecting ulcer development is the rats' perception of control or predictability over the stressor (electric shocks).
Step 3: Analyze the options given: whether rats had control over shocks, whether shocks were unpredictable, or whether rats were isolated, and consider how each factor influences stress response and immune function.
Step 4: Recall psychological research findings that show when animals have control over a stressor, their stress response is reduced, leading to fewer negative health outcomes like ulcers.
Step 5: Conclude that the correct explanation is that rats were unlikely to develop ulcers because they had control over the shocks, which mitigated the stress impact on their immune function.