A Nursing Instructor Is Teaching About Self-Concept

A nursing instructor is teaching about self-concept.Which student statement indicates a need for further instruction?

A) "Self-concept is the thinking component of the self."
B) "Self-concept is a system of learned beliefs about self."
C) "Self-concept is the degree of regard that individuals have for themselves."
D) "Self-concept is the attitudes and opinions held true about personal existence."