What is the purpose of monitoring intake and output?

• A. To determine medication allergies
• B. To assess hydration status and fluid balance
• C. To schedule meals
• D. To evaluate pain levels

Answer: (B)

Monitoring intake and output reveals how fluids move in and out of the body, helping to assess hydration status and overall fluid balance. By recording all fluids a patient takes in (oral intake, IV fluids) and all outputs (urine, vomit, diarrhea, wound or drain drainage, plus estimated insensible losses like breathing and sweating), you can see trends that indicate dehydration, fluid overload, or a stable balance. This information guides fluid management decisions, such as adjusting IV fluids, restricting or supplementing intake, and evaluating the effectiveness of diuretics or other treatments. It also helps anticipate complications from imbalances, like edema, hypertension, or electrolyte disturbances, and supports safer care overall. The other options aren’t related to fluid management—intake and output monitoring isn’t used to determine allergies, schedule meals, or evaluate pain levels.