During starvation, the graph of three substances is plotted below. The scale for A and B is on the left and the scale for C is on the right. Which of the substances are represented by curve B?
Ans: A. RT3(reverse triiodothyronine)
- Most pronounced effect of starvation on thyroid profile is a reduction in T3 levels with a reciprocal rise in RT3.
- The changes, which conserve calories by reducing tissue metabolism, are reversed promptly by refeeding.
- Similar changes occur in wasting diseases.