ANSWER
5) The formed element pictured
is a granular cast. Granular casts are common in patients with acute
poststreptococcal glomerulonephritis because of decreased urine flow.
First, red blood cell casts form from the obstruction of capillaries
and tubules due to inflammation. The decreased urine output common in
patients with acute poststreptococcal glomerulonephritis causes these
casts to remain in the nephron for a longer time. This gives the red
blood cell casts an extended period of time to disintegrate into
granular casts.
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