TLS Online TPP Program

#Question id: 11684


Exposure to UV light directly facilitates which of the following?

#Unit 7. System Physiology – Animal
  1. Conversion of cholesterol to 25-hydroxycholicalciferol
  2. Conversion of 25-hydroxycholicalciferol to 1,25-dihydroxycholicalciferol
  3. Transport of calcium into the extracellular fluid
  4. Formation of calcium binding protein