Question

mendelian dwarfism which results in failure of cartilage proliferation and decreased endochondral bone formation, resulting in short limbs and stature, normal head and trunk, and normal mentation, is known as: pseudohypoparathyroidism cretinism achondroplasia pituitary dwarfism

Explanation:

Achondroplasia is a Mendelian - inherited form of dwarfism characterized by failure of cartilage proliferation and decreased endochondral bone formation, leading to short limbs and stature while having a normal head, trunk, and mentation. Pseudohypoparathyroidism is related to parathyroid hormone resistance, cretinism is due to severe hypothyroidism in infancy affecting mental and physical development, and pituitary dwarfism is caused by growth hormone deficiency from the pituitary gland.

Answer:

C. Achondroplasia