The cumulative biological wear and tear that results from responses to stress that seek to maintain body equilibrium is known as:

The cumulative biological wear and tear that results from responses to stress that seek to maintain body equilibrium is known as Allostatic Load. It is the cost of chronic exposure to elevated or fluctuating endocrine or neural responses resulting from chronic or repeated challenges that the individual experiences as stressful. It represents the physiological consequences of chronic exposure to fluctuating or heightened neural or neuroendocrine response that results from repeated or chronic stress. 

The correct answer is b