Final answer:
The stress triad during the exhaustion stage of stress includes enlargement of adrenal glands, bleeding gastric ulcers, and wasting of lymph nodes, but not excessive weight gain.
Step-by-step explanation:
The stress triad described by Hans Selye which occurs during the exhaustion stage of stress includes several clinical signs. These signs are related to the body's prolonged response to chronic stress. According to Selye, the symptoms include enlargement of adrenal glands, bleeding gastric ulcers, and wasting of lymph nodes.
It does not include excessive weight gain, which is typically not associated with the exhaustion stage of the general adaptation syndrome. Instead, weight loss may be a more common symptom due to the depletion of the body's resources.