A patient complains of episodes of palpitations, headache & during one of these attacks glycosuria was discovered, the history is most compatible with:

Correct Answer: B

Rationale: Pheochromocytoma causes episodic palpitations, headaches, and hypertension with catecholamine-induced glycosuria.

Correct Answer: C

Rationale: Diabetic ketoacidosis treatment requires potassium supplementation as insulin shifts potassium intracellularly.

Correct Answer: C

Rationale: Diabetes insipidus features dilute urine, polydipsia, and polyuria from ADH deficiency, not increased sweating.

Correct Answer: A

Rationale: Parasitic infections (e.g., helminths) commonly cause eosinophilia.

Correct Answer: C

Rationale: Marfan syndrome features long extremities and autosomal dominant inheritance; aortic dilation, not stenosis, is typical.