This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Not used for intravascular volume maintainence is 
Select and explain. 
A. Hydroxy ethyl starch, B. Dextran, C. Erythropoetin, D. Gelatin
C: Erythropoetin
Answer: C: Erythropoetin 
Explanation: Answer- C. ErythropoetinErytheropoetin InjectionsErythropoietins available for use as therapeutic agents are produced by recombinant DNA technology in cell culture, They are used in treating anemia resulting from chronic kidney disease, chemotherapy induced anemia in patients with cancer, inflammatory bowel disease (Crohn's disease and ulcerative colitis).