question: True about coproporphyrin I and coproporphyrin III is -
opa: Coproporphyrin I is excreted in urine
opb: Coproporphyrin III is excreted in bile
opc: In Dubin Johnson Syndrome, Coproporphyrin I in urine is 80% of the total coproporphyrin
opd: In Dubin Johnson Syndrome, total coproporphyrin levels is elevated