मैसवेन संकेत (Macewen's sign), जिसमें खोपड़ी पर आघात करने (थपथपाने) पर 'टूटे हुए घड़े' जैसी ध्वनि (cracked pot sound) सुनाई देती है, आमतौर पर किस स्थिति से संबंधित है?

Given below are two statements: one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): Patients diagnosed with Type 1 Diabetes Mellitus require lifelong insulin therapy. Reason (R): Type 1 Diabetes Mellitus is characterized by an autoimmune destruction of pancreatic β-cells, leading to an absolute deficiency of insulin. In light of the above statements, choose the most appropriate answer:

'Bulimia Nervosa' can lead to a specific electrolyte imbalance known as 'Hypokalemia', which is a deficiency of: