Ivy Tech Medical Terminology Practice Test 2026 – Your All-in-One Guide to Success!

Identifying which root denotes skin centers on the body part each root represents. The skin is described by the root derm- (derm-), which is used in terms like dermatitis or dermatology. In this item, the option that directly names the organ is “Skin,” which makes it the best match because it explicitly denotes the skin itself. The other options point to completely different concepts: thirst relates to the body's need for fluids, the intestine to the digestive tract, and the iris to a part of the eye. So, recognizing that derm- is the root for skin helps, but here the option that plainly names the skin is the correct choice.