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
Digoxin toxicity is increased by all except - 
Select and explain. 
A. Renal impairment, B. Hyperkalemia, C. Hypercalcemia, D. Hypomagnesemia
B: Hyperkalemia
Answer: B: Hyperkalemia 
Explanation: Ans. is 'b' i.e., Hyperkalemia Digitalis toxicity is a2gravated by o Hypokalemia o Hypomagnesemia o Renal insufficiency o Hypercalcemia o Advanced age o Hypoxia o Acute myocardial infarction o Thyrotoxicosis o Mvxoedema o Acute Myocarditis