According to diathesis –stress model, a combination of predisposition & stress are required to generate psychological problems such as anxiety & depression. This model meticulously predisposes the occurrence of psychological problems based on biological or genetic traits (diatheses) with respect to environmental cues, environmental stressors etc. Thus, members in family are experiencing similar kinds of psychological diseases is depicting diathesis as this is due to inherited factors of that particular disease. Anxiety and change in cognition of an individual behaviour is mainly relies upon both genetic traits & environmental predisposing stress- factors.
The physiological stress is mainly due to adequate response generated by the cells when it is subjected to a specific stressor (environmental cues or a stimulus) so that flight and fight response and endocrine response so that cells of the human body are going to retain its normal position. These specific stressors are going to trigger variable physiological responses within the cell sometimes leading to cell death. The relationship of physiological stress with the psychological stress is mainly involves emotional responses under specific stressor generating specific retaining difficulty or difficulty in coping with a specific cue or stimulus. The physiological stress (eustress or distress) responses are leading to psychological responses (nervous system, endocrine system) such as behavioral, emotional and cognitive alterations.
Thus, the options (b), (c) and (a) are incorrect.
Thus, members in family are experiencing similar kinds of psychological diseases is depicting diathesis as this is due to inherited factors of that particular disease.
Therefore, the correct option is – d. diathesis.