The layer in which a user interacts with the EHR to collect and retrieve data is the?

The presentation layer is where users engage with electronic health records (EHR) to collect and retrieve data. This layer provides the user interface and visual representation of data, enabling healthcare professionals to input, access, and manage patient information effectively. In essence, it serves as the bridge between end-users and the underlying data storage systems, allowing for user-friendly interaction.

The functionality of the presentation layer includes displaying information in a format that is easy to understand and navigate, which is crucial in a healthcare setting where timely and accurate decision-making is essential. By allowing users to interact directly with the data, this layer empowers healthcare providers to enhance patient care by ensuring that they have immediate access to the necessary information.