Exam questionKROK 1Medicine · 2021
One of the causes of pernicious anemia is disturbed synthesis of transcorrin — Castle's intrinsic factor — by the parietal cells of the stomach. What substance is called Castle's extrinsic factor?
Answer options
- Biotin
- Riboflavin
- Folic acid
- Pyridoxine
- Cobalamin
Correct answer
Cobalamin
This educational archive is provided by KROKEXAM and is not an official testing authority publication.