You are not writing in 3rd person. You would be the observer and writing the answer based on what you are seeing or would do.
Referencing you can just at the end of the question put the reference at the bottom.
The answers will more so be step by steP process. not paragraphing answers. If this makes sense
Here is the link for the Guideline that can answer the whole sex questions.
For part two of the assessment all are attached after the part one question. Just check it below. I have already put down the stressors. Or just do it if the stressors list happened to you how would you manage it?