APSGN has been diagnosed in D.K., age 4 years, 1 month after he was ill with tonsillitis. His face, abdomen, and legs are swollen, and he is not interested in his toys. He is short of breath when he...

APSGN has been diagnosed in D.K., age 4 years, 1 month after he was ill with tonsillitis. His face, abdomen, and legs are swollen, and he is not interested in his toys. He is short of breath when he moves about. His urine is dark and cloudy and is scant in volume.

1. Explain how D.K.’s tonsillitis is probably related to the development of APSGN.

2. Explain why his urine is dark.

3. State two other significant characteristics you would expect to find in the urine.

4. State three abnormalities likely to be found on examination of D.K.’s blood and explain the reason for each.

5. Explain why D.K. is producing very small amounts of urine. 6. Explain why acute renal failure could develop.