Final answer:
The correct answer is (d) Enhanced cognitive function. Long-term stress typically has a negative impact on cognitive function, impairing memory, attention, decision-making, and problem-solving abilities.
Step-by-step explanation:
The correct answer is (d) Enhanced cognitive function. This is because long-term stress typically has a negative impact on cognitive function. Chronic stress can impair memory, attention, decision-making, and problem-solving abilities.
Increased cortisol production (a) is a common response to long-term stress. Cortisol is a stress hormone released by the adrenal glands. It helps regulate energy levels, metabolism, and immune response.
Impaired immune function (b) is also a common response to long-term stress. Chronic stress can weaken the immune system, making individuals more susceptible to infections and diseases.
Increased heart rate and blood pressure (c) is another common response to long-term stress. It is part of the body's fight-or-flight response, which prepares the body to deal with perceived threats.