The concave region of the kidney where lymphatic vessels, blood vessels, and nerves enter or exit is the:

A 58-year-old woman states she has chest pain when she climbs stairs, but the pain goes away when she rests. You should suspect:

A) chronic high blood pressure. B) angina pectoris. C) cardiac arrest. D) heart attack.

For the statement "ovarian androgen hormone hypersecretion," the main term to reference in the ICD-10-CM Index to Diseases and Injuries is _____

a. ovarian b. androgen c. hormone d. hypersecretion