If a patient's diet lacks vitamin D, which consequence becomes likely in the bone remodeling cycle, affecting the balance between osteoblast and osteoclast activity?

💡 Explanation

Vitamin D is crucial for intestinal calcium absorption; without it, there is insufficient calcium available for bone mineralization. Impaired calcium homeostasis leads to increased parathyroid hormone secretion, stimulating bone resorption to maintain serum calcium, because of vitamin D deficiency; therefore, calcium absorption is impaired, rather than bone density increasing through other mechanisms.

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