This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breathing Systems, Subject name: Anaesthesia
Acronym AMBU stands for : 
Select and explain. 
A. Automated Manual Breathing Unit, B. Artificial Manual Breathing Unit, C. Artificial Mechanical Breathing Unit, D. Automated Mechanical Breathing Unit
B: Artificial Manual Breathing Unit
Answer: B: Artificial Manual Breathing Unit 
Explanation: Ans: B (Artificial...) AMBU: ARTIFICIAL MANUAL BREATHING UNITCommonly used to provide positive pressure ventilation to patients who are not breathing or not breathing adequately.Maximum volume of bag is 1200 ml100% oxygen can be delivered by Ambu bag by attaching oxygen source Si oxygen reservoirAmbu unit consists of one self inflating bag made up of rubber or silicone, Ruben non rebreathing type of valve & a mask