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: Physiology
Apnoea is defined as: 
Select and explain. 
A. Stoppage of hea beat, B. Cessation of respiration, C. Irregular respiration, D. RR
B: Cessation of respiration
Answer: B: Cessation of respiration 
Explanation: B i.e. Cessation of respirationApnea is cessation or stoppage of respirationQAbnormal Respiratory PatternCheyne- stokes respirationRhythmic alteration of apnea and hyperapnea due to anoxia. (c/b periods of waxing and- Opium poisoningwaning tidal volume separated by period of apnea). It is a type of periodic breathing.Uremia - CCF - Hypoxia Biot's respirationType of periodic breathing, that consists of one or more large tidal volumes separated by- Meningitis ( l'ICT)periods of apnea i.e. irregularly irregular respirationKussumal's respirationRapid & deep breathing (Air hunger)- Diabetic ketoacidosis - Uremia Ondine's curseLoss of automatic respiratory control with destruction of involuntary neural pathway.