Albumin is the large protein molecule found in egg white and blood plasma. Table salt dissociates into sodium and chloride ions. Urea is assembled in the liver. In a healthy person, what is the fate of the majority of these molecules as they pass through a nephron?
A. Albumin remains in the blood, salt ions move into the filtrate but most are reabsorbed, and the urea moves into the filtrate and is excreted in the urine.
B. Albumin remains in the blood and salt ions and urea moved into the glomerular filtrate and excreted in the urine.
C. All three move into the glomerular capsule but the salt ions are mostly reabsorbed.
D. All three remain in the bloodstream.
E. All three move into the glomerular capsule and are excreted in urine.
Answer: A
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