Which term is the standard blood test used to assess kidney function by measuring nitrogenous waste in the blood?

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Multiple Choice

Which term is the standard blood test used to assess kidney function by measuring nitrogenous waste in the blood?

Explanation:
Measuring nitrogenous waste in the blood reflects how well the kidneys filter waste from protein metabolism. The standard test for this is Blood Urea Nitrogen. Urea, produced in the liver from protein breakdown, is normally cleared by the kidneys. When kidney function drops or blood flow to the kidneys decreases, BUN rises. It’s usually interpreted with creatinine and the estimated glomerular filtration rate because BUN alone can be affected by hydration status, protein intake, and liver function. The other terms listed are not tests of nitrogenous waste or kidney function. Benign Prostatic Hyperplasia is a prostate condition, a calculus refers to stones, and Chlamydia is an infection.

Measuring nitrogenous waste in the blood reflects how well the kidneys filter waste from protein metabolism. The standard test for this is Blood Urea Nitrogen. Urea, produced in the liver from protein breakdown, is normally cleared by the kidneys. When kidney function drops or blood flow to the kidneys decreases, BUN rises. It’s usually interpreted with creatinine and the estimated glomerular filtration rate because BUN alone can be affected by hydration status, protein intake, and liver function. The other terms listed are not tests of nitrogenous waste or kidney function. Benign Prostatic Hyperplasia is a prostate condition, a calculus refers to stones, and Chlamydia is an infection.

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