CONSENT CONSENT Consent is a key part of preoperative care. The process of consent has evolved over the years and, in the UK, is deter - mined by relevant Acts of Parliament, legal judgement and in detail in Chapter 14 . CONSENT Consent is a key part of preoperative care. The process of consent has evolved over the years and, in the UK, is deter - mined by relevant Acts of Parliament, legal judgement and in detail in Chapter 14 .