Answer:
Answer: D; Irregular shape
Explanation: I'm not entirely positive but I do believe that the factor they're wanting you to notice in this question is the shape, as it states "deposition of the jagged particle". The shape affects the rate, as in the notes directly from the video it states "round particles settle more quickly".
Well, (not trying to plagiarize) the client is expressing their fear of surgery, and this is from the body's reaction to danger (emotionally and physically).
I think c is the correct answer