Final answer:
Nursing students integrate professional nursing values primarily through critical thinking, which enables them to analyze, evaluate, and apply ethical practices in healthcare.
Step-by-step explanation:
Nursing students adopt professional nursing values through a combination of educational strategies, but among the options provided, B) Critical thinking is the fundamental process through which these values are integrated. Critical thinking involves analyzing and evaluating information to make informed decisions, a core component of nursing education and practice. Moreover, this aligns closely with the content discussed regarding the undergraduate education in psychology and the broader application of critical thinking skills in various work contexts, as well as the practical application of these skills which are highly valued by employers. The process of adopting professional values in nursing involves more than just memorization or skill development; it is about the deep understanding and application of ethical practices and principles in the healthcare setting.