The physician comments that a patient has abdominal borborygmi. What is the best description of this term?

Borborygmi are exaggerated, audible sounds produced by the rapid movement of gas and chyme through the intestinal lumen. These hyperactive bowel sounds often signify increased peristalsis or the early stages of mechanical obstruction. They are commonly associated with hunger or malabsorption syndromes. A. Loud continual humming bowel sounds: A continuous humming sound in the abdomen is often a venous hum, which can indicate portal hypertension or collateral circulation. It is a vascular sound rather than a result of gastrointestinal motility. It is not defined as borborygmi. B. Loud gurgling bowel sounds: This is the correct clinical definition of borborygmi. These are the rumbling sounds heard when the bowel is hyperactive. They are easily audible without a stethoscope and reflect high-velocity movement within the digestive tract. C. Hypoactive bowel sounds: Hypoactive sounds are infrequent and quiet, indicating slowed motility. Borborygmi are by definition loud and hyperactive. Documenting hypoactivity would be the clinical opposite of noting the presence of borborygmi. D. A peritoneal friction rub: This is a rough, grating sound heard over the liver or spleen during respiration. It indicates inflammation of the peritoneal surface. It is a sign of friction between organs rather than the sound of gas movement.