A 72-year-old man is recently found to have hypocalcemia and Osteomalacia is suspected based on the decrease in the cortical bone thickness and osteopenia seen on x-rays. Which of the following is the most likely mechanism of the resistance to the effects of vitamin D?
Correct Answer: defective receptors for 1,25OH2 vitamin D
Description: Deficient or defective 1,25(OH)2 vitamin D receptors will result in vitamin D resistance. Parathyroid hormone levels increase secondary to decreased vitamin D effect. The 1(OH) vitamin D is an intermediate metabolite.
Category:
Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now