Final answer:
For an individual to demonstrate the capability to make an informed healthcare decision, all of the following must be present except that the patient does not need to be able to communicate preference.
Step-by-step explanation:
To demonstrate the capability to make an informed healthcare decision, all of the following must be present except that the patient does not need to be able to communicate preference. The patient needs to have the ability to understand the nature of the clinical condition, interpret the information presented and give reasons for the choice. Communication of preference is important for effective healthcare decision-making.