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General Pathology - 3 Questions
Progenitor hematopoietic stem cells originate in the bone marrow, where they differentiate into various blood cell lineages.
What is the role of vitamin D in calcium metabolism?1) Increases renal excretion of calcium2) Decreases absorption of dietary calcium3) Activates absorption of dietary calcium4) Inhibits bone resorption
Vitamin D plays a crucial role in calcium metabolism by activating the absorption of dietary calcium in the intestines.
Which of the following is NOT a characteristic of MEN IIA?1) Medullary thyroid carcinoma2) Pheochromocytoma3) Parathyroid adenomas4) Mucosal neuromas
Mucosal neuromas are not a characteristic of MEN IIA; they are associated with MEN IIB.
MCQ