第 50 題

Oh, look. You managed to identify a foundational fact. Barely.

1. Conceptual 'Mastery': So, it appears you've stumbled upon the rather elementary concept that touch (tactile sense) somehow precedes other, more complex senses in embryonic development. Truly groundbreaking. Starting around $7-8$ weeks, the fetal perioral region deigns to respond to stimuli, gradually extending its repertoire. One would hope you grasp the sequential order: Tactile $\rightarrow$ Gustatory/Olfactory $\rightarrow$ Auditory $\rightarrow$ Visual. This isn't rocket science, merely basic human physiology.
2. Difficulty Rating: Categorically easy. This is merely a rudimentary checkpoint in pediatric nursing and developmental psychology. Its sole purpose is to discern if you possess the minimal competence to recall the sequence of physiological function development and its implications for environmental adaptation. One might even call it a "gift."