Answer:
C.
She uses scientific terms such as dopamine for precision but a simple comparison to "brakes" to help readers understand.
Step-by-step explanation:
This is true for Dr. Kerr going by her choice of words in the description. Despite the fact that she is discussing a medical situation, she did it in such a way, that the medical words were used in-order to maintain its professional description while still using common phrase to pass the message across to the lay people who may not be conversant with the medical term she mentioned.
In this way, she balanced her excerpts between the educated and non-educated audience without losing the idea of what she is talking about.