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: Unknown
At low dose, linear increase in plasma drug concentration and at higher dose, steep increase in drug concentration is what type of kinetics? 
Select and explain. 
A. First order, B. Saturation kinetics, C. Pseudo zero order, D. None of the above
C: Pseudo zero order
Answer: C: Pseudo zero order 
Explanation: (Refer: KD Tripathi's Essentials of Medical Pharmacology, 7th edition, pg no:383)