A nurse is teaching a nursing student about kidney function. The nurse states, “

A nurse is teaching a nursing student about kidney function. The nurse states, “In healthy kidneys, almost all organic nutrients such as glucose and amino acids are reabsorbed.” The nurse knows the student understands teaching when the student states, “Your comment means that
1. the nutrients move from blood to filtrate to blood, then back to the blood.”
2. the nutrients move from filtrate to blood, then back to the filtrate.”
3. the nutrients remain in the kidneys at all times.”
4. the nutrients are large molecules and remain in the blood at all times.”