alleryStart learning →Which plasma protein carries bilirubin in the blood to the liver?
APlasma albumin
BTransferrin
CStored ferritin
DHemosiderin
Answer & Solution
Correct answer: A. Plasma albumin
1. Albumin is the plasma binding protein for hydrophobic passengers such as fatty acids and steroid hormones.
2. Bilirubin binds to albumin and travels in the blood to the liver.
3. The liver then uses it in the manufacture of bile, which is released into the intestines to emulsify dietary fats.
4. Transferrin, ferritin and hemosiderin all handle iron rather than the pigment, so none of them carries bilirubin.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 18 "The Cardiovascular System: Blood", section 18.3 Erythrocytes_
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