Which term means renal pelvis inflammation?

A term meaning pertaining to the chest is:

The removal of a small piece of tissue for microscopic examination to assist in a diagnosis is called:

The combining form gynec/o means beginning.

Which term means kidney stone?

Which term means narrowing of the trachea?

Which term means cutting into the eardrum?

Which medical term does NOT mean pertaining to the ear?

Which medical term does NOT mean pertaining to the eye?

Chazen retailers sold 200 gift cards for $100 each.  It is estimated that 25% of the gift cards will never be redeemed.  On June 30, 2024, 100 gift cards were redeemed. What amount of breakage revenue should Chazen record on June 30, 2024?