A 10 year old boy, who recently recovered from a streptococcal infection, was taken to the doctor with symptoms including fever, nausea, and malaise.  Physical examination reveals edema around the eyes and the knees.  Blood tests reveal a decrease in serum complement.  A routine urinalysis reveals the following results.

Chemical/Physical Analysis

Color	Yellow	Blood	Moderate
Clarity	Hazy	pH	6.5
Glucose	Negative	Protein	300mg/dL
Bilirubin	Negative	Urobilinogen	Normal
Ketones	Negative	Leukocyte Esterase	Small
Specific Gravity	1.015	Nitrite	Negative

Microscopic Analysis
20-50 RBC/hpf
10-20 WBC/hpf
2-5 RBC casts/lpf
2-5 Granular casts/lpf
 

Question 1

Question 2

Question 3

Question 4

Question 5

Questions

1.    What is the significance of a positive leukocyte esterase?  View Case History and Analysis

2.    How could there be a positive leukocyte esterase and a negative nitrite?  Click on

            a)  Non gram negative enteric bacteria present
            b)  Yeast
            c)  Inflammation
            d)  A and C
            e)  A, B, and C

3.    What is the significance of the presence of blood along with protein in the urine?

4.    What disease are the results indicative of?   View Case Study and Analysis

5.    Click  here  to view the photomicrograph.  Correlate the formed element present with