04-24-2008, 10:14 AM
9yr-old boy has had generalized edema for 2 months. Laboratory studies of serum show:
Glucose
87 mg/dL
Creatinine
0.9 mg/dL
Urea nitrogen (BUN)
11 mg/dL
Albumin
2.8 g/dL
Urinalysis shows 4+ protein and oval fat bodies. The most likely cause is a disorder involving which of the following structures?
A ) Afferent arterioles only
B ) Afferent and efferent arterioles
C ) Glomerular capillary loops
D ) Glomerular mesangial region
E ) Tubulo-interstitial region
Glucose
87 mg/dL
Creatinine
0.9 mg/dL
Urea nitrogen (BUN)
11 mg/dL
Albumin
2.8 g/dL
Urinalysis shows 4+ protein and oval fat bodies. The most likely cause is a disorder involving which of the following structures?
A ) Afferent arterioles only
B ) Afferent and efferent arterioles
C ) Glomerular capillary loops
D ) Glomerular mesangial region
E ) Tubulo-interstitial region