KE
Welcome to the forum, you might want to have a look at the following FAQ which explains where everything is
Welcome to Benefits and Work Our PIP Claim guide has sections o the assessment and the questions you are likely to be asked.
www.benefitsandwork.co.uk/help-for-claimants/ I think it unlikely but be prepared to answer questions about how you manage your caring responsibilities and still need help with your own care.
Gordon