Vitamin C and Collagen Synthesis — MCQs

The main function of Vitamin C in the body is

A patient presenting with bleeding gums and easy bruisability was diagnosed with scurvy. This condition results from a deficiency of which of the following?

How does vitamin C deficiency lead to scurvy?

Defect in Menkes disease:

Maximum concentration of vitamin A is found in which organ?

Which of the following is not typically associated with osteogenesis imperfecta?

Prolyl hydroxylase requires which cofactor?

A patient presents with annular, scaly plaques with perifollicular extension on the trunk. What is the most likely diagnosis?

Which of the following is absolutely essential for wound healing?

Which nutrient deficiency directly impairs hydroxylation during collagen synthesis?