Which Statement Is Incorrect

Multiple Choice

Which statement is incorrect?

A) A single endocrine gland may produce multiple hormones.
B) A single target cell may be influenced by more than one hormone.
C) A single hormone can influence only one type of target cell.
D) An endocrine organ may secrete non-endocrine substances in addition to hormones.
E) The same hormone may be secreted by more than one endocrine gland.