Final answer:
The pink sediment in refrigerated urine likely indicates the presence of red blood cells, while white blood cells in the urine suggest a urinary tract infection or, in severe cases, cancer.
Step-by-step explanation:
The pink sediment in refrigerated urine is most likely due to the presence of red blood cells.
When considering the presence of white blood cells in the urine, it suggests a urinary tract infection (UTI). If the urine appears cloudy instead of clear, it could be another indication of a UTI. In more serious cases, persistent white blood cells in urine might indicate a more severe condition, such as cancer.