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: Medicine
Ramesh 40 yrs male patient presenting with polyuria, pain abdomen, nausea, vomiting, altered sensorium was found to have bronchogenic carcinoma. The electrolyte abnormality seen in him would be: 
Select and explain. 
A. Hypokalemia, B. Hyperkalemia, C. Hypocalcaemia, D. Hypercalcemia
D: Hypercalcemia
Answer: D: Hypercalcemia 
Explanation: Answer is D (Hypercalcemia): Presence of polyuria, abdominal pain, and general symptoms such as nausea, vomiting and altered sensorium in a patient with bronchogenic carcinoma suggest a diagnosis of hypercalcemia secondary to paraneoplastic syndrome from PTII related peptide production.