Hospital accounting has a special "Hospital Accounting System", you can find relevant hospital accounting textbooks for reference.
To be a hospital accountant, you first need to master the Basic Accounting, and elementary accounting knowledge, and then master the Hospital Accounting can be. As for Intermediate Financial Accounting, it tends to be for businesses, and is a business (for-profit) accounting.
If, as in the interview, professional knowledge is involved, look at the following:
(1) Basic Accounting
(2) Hospital Accounting
(3) Business Accounting (Hospital Accounting belongs to one of the Business Accounting, except that the industry characteristics are a bit more prominent)