CAMRT Radiography Practice Exam

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What is the normal range for Glomerular Filtration Rate (GFR)?

90-120 mL/min
10-20 mg/dL
0.05-1.2 mg/dL
110-115 mL/min

The correct answer is: 90-120 mL/min

The normal range for Glomerular Filtration Rate (GFR) is 90-120 mL/min. GFR is a critical measure in assessing kidney function, reflecting how well the kidneys are filtering waste and excess fluids from the blood. A GFR within this range indicates that the kidneys are functioning effectively, which is important for maintaining homeostasis in the body. Values below this range may suggest a decline in kidney function, potentially indicating conditions such as chronic kidney disease, while values significantly above this range could indicate hyperfiltration, which may also be a sign of underlying health issues. The other options reference different measurements that do not pertain to GFR; they either represent blood urea nitrogen levels or creatinine levels, which are separate indicators of kidney health but not direct measures of the glomerular filtration rate itself.