________ is an autoimmune disease of the digestive system.

A ________ involves inserting a catheter into the urinary tract through the bladder into the ureters

a. cholecystogram b. hysterectomy c. retrograde pyelography d. barium enema

________ are insects that spread from one person to another by close body contact and shared clothes, hats, hairbrushes, and combs

A) Scabies B) Lice C) Psoriasis D) Impetigo