Question

Certain substances pass from the blood in the glomerular capillaries into the ultrafiltrate under normal circumstances. Other substances will only appear in the ultrafiltrate under abnormal circumstances. Categorize the following substances' appearance in the ultrafiltrate into normal and abnormal.

1. Albumin (a protein)
2. Amino acid
3. Glucose
4. NaCl
5. Plasma
6. Red blood cell
7. White blood cell

Answer 1

Normal:
Glucose
Rbc
NaCl
Amino acid
Plasma

Abnormal:
Albumin (protein)
Wbc

Remember that only small molecules can pass from the blood in the glomerular capillaries and this is cause they have thin walls