Which of these describes secondary hypersecretion of hormone X?
A. Cells of a growing tumor manufacture hormone X in unregulated fashion.
B. A growing tumor secretes hormone Y, which stimulates the gland that secretes hormone X.
C. Negative feedback from a tumor that hypersecretes hormone Z inhibits the gland that secretes hormone X.
D. Hormone X is secreted by a growing tumor that is in the anterior pituitary gland.
E. Hormone X is secreted in unregulated fashion by a tumor growing in a tissue that does not normally secrete hormone X.
Answer: B
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