Question

Developmental dysplasia of the hip [DDH] is most commonly associated with:

a) Excessive screen time
b) Vitamin D deficiency
c) Early walking
d) Genetic predisposition

Answer 1

Developmental dysplasia of the hip (DDH) is most commonly associated with genetic predisposition, not with excessive screen time, early walking, or solely vitamin D deficiency. Genetic factors are more influential, although proper bone development also requires adequate vitamin D levels.

Step-by-step explanation:

Developmental dysplasia of the hip (DDH) is most commonly associated with d) Genetic predisposition. DDH is a condition where the hip joint does not develop properly, and the ball and socket joint of the hip does not adequately support the hip bone, potentially leading to dislocation. It is not primarily associated with lifestyle factors like screen time or early walking, nor solely with nutritional deficiencies such as vitamin D deficiency, although vitamin D is essential for bone health. Instead, DDH is often linked to genetic factors, with a higher incidence in families with a history of the disorder. Rickets, another condition associated with bone development, results from a deficiency of vitamin D and affects the proper mineralization of bone. This is different from DDH but highlights the importance of vitamin D for bone integrity. DDH is generally identified and treated in infancy to prevent further complications.