If both ACTH (adrenocorticotropic hormone) and cortisol levels increase, which of the following would occur?
A. Aldosterone levels will increase.
B. ACTH production is increased even more by positive feedback.
C. High ACTH levels will begin to cause cortisol levels to decline.
D. High cortisol levels will begin to cause ACTH levels to decline.
E. None of the choices are correct.
Answer: D
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