What is causative agent in the majority of cases of acute epiglottitis?

When solids are dissolved in liquids, the solid is considered the ________ and the liquid is considered the ________

Fill in the blank(s) with correct word

________ determines the insurance payment amount in relation to the provider's published fee schedule.

A. Risk-based reimbursement B. Fee-based reimbursement C. Per case reimbursement D. Per diem payment