Question

where would we suspect the problem to be if a patient’s blood urea nitrogen was high?
a) intestines
b) gallbladder
c) kidney
d) liver

Explanation:

Blood urea nitrogen (BUN) measures the amount of nitrogen in the blood that comes from urea. The kidneys play a major role in filtering urea from the blood. When kidney function is impaired, urea can build - up in the blood, leading to high BUN levels.

Answer:

c) Kidney