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: Pharmacology
Which one of the following drugs cause hypo magnesemia by increased excretion? 
Select and explain. 
A. Frusemide therapy, B. Cisplatin, C. Digitalis, D. Aminoglycosides
A: Frusemide therapy
Answer: A: Frusemide therapy 
Explanation: Ans. is 'a' i.e., Frusemide therapy "Loop diuretics cause the abolition of transepithelial potential difference that results in marked increase in excretion of Ca2++ and mg2++".