This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Physiology
Oxygen dissociation curve is shifted to right in 
Select and explain. 
A. Hyperkalemia, B. Hypokalemia, C. Anemia, D. Metabalic alkalosis
C: Anemia
Answer: C: Anemia 
Explanation: ODC shifted to right in anemia. Ref: Ganong review of medical physiology 23rd edition Page no: 610 The causes of shift to right can be remembered using the mnemonic, "CADET, face Right!" for CO2, Acid, 2,3-DPG, Exercise and Temperature. Ref: wikipedia