Which term means to reduce urine production?

• A. Angioplasty
• B. Antibiotic
• C. Anterior
• D. Antidiuretic

Answer: (D)

The main idea is a term that means reducing urine production. Antidiuretic refers to the hormone action that tells the kidneys to conserve water, so less urine is produced. When antidiuretic hormone acts on the collecting ducts, it makes them more permeable to water, leading to increased water reabsorption and a smaller volume of urine that is more concentrated. This is the opposite of a diuretic, which increases urine output. The other terms aren’t related to urine quantity: angioplasty is a procedure to widen a narrowed blood vessel, antibiotic is a drug that fights infections, and anterior means toward the front.