Which condition involves a deficiency of vitamin D in children?

Which condition involves a deficiency of vitamin D in children?

• A. Rheumatoid Arthritis
• B. Achondroplasia
• C. Rickets
• D. Hydrarthrits

Answer: (C)

Vitamin D is essential for bone mineralization in growing children. When there isn’t enough vitamin D, bones don’t harden properly, leading to rickets. This condition causes bowed legs, delayed growth, enlarged costochondral junctions (rachitic rosary), bone or joint pain, and dental problems. X-rays often show changes at the growth plates, such as cupping and fraying. Rheumatoid arthritis is an autoimmune condition causing joint inflammation, not a vitamin D deficiency. Achondroplasia is a genetic dwarfism due to a FGFR3 mutation, not related to vitamin D levels. Hydrarthrosis refers to fluid buildup in a joint, which is not caused by vitamin D deficiency.

Vitamin D is essential for bone mineralization in growing children. When there isn’t enough vitamin D, bones don’t harden properly, leading to rickets. This condition causes bowed legs, delayed growth, enlarged costochondral junctions (rachitic rosary), bone or joint pain, and dental problems. X-rays often show changes at the growth plates, such as cupping and fraying.

Rheumatoid arthritis is an autoimmune condition causing joint inflammation, not a vitamin D deficiency. Achondroplasia is a genetic dwarfism due to a FGFR3 mutation, not related to vitamin D levels. Hydrarthrosis refers to fluid buildup in a joint, which is not caused by vitamin D deficiency.