It seems to me that you would want to speak directly with the faculty member about your concern how a particular item was scored. If you use email to challenge scoring of an item on the basis of a passage in the text book, you are expecting the faculty to find your reference in the book. If you want your grade changed, you and not the professor should present and explain why you think your reference is correct. By personally presenting your evidence, you can explain why you think an answer is correct and the faculty can make a decision and explain.
I probably would not respond to your email. A grade change s too important to discuss online because I would change my notes and I disagreed I would want to explain why. i have been told that is not what I have in my notes, the passage may provide incomplete information such a eating was considered a reasonable response on a short-answer question to anorexia, or already providing several free misses in the number of points. I would also be reluctant to speak to a student who didn’t contact me directly, but also had a history of challenging grades by email a and only about 24% of accurate challenges. I find students with a approved challenge can cite chapter and book to make their point.