Question

which is not correct regarding articulations? articulations can range in motion from freely mobile to immobile. all articulations contain some type of cartilage. there are three structural categories of articulations. an articulation is a joint between a bone and another bone, cartilage, or tooth.

Explanation:

• Articulations (joints) can range in mobility from freely mobile to immobile, so the first statement is correct.
• There are three main structural categories of joints (fibrous, cartilaginous, synovial), so the third - statement is correct.
• An articulation is a joint between bones, cartilages, or a bone and a tooth, so the fourth statement is correct.
• Not all articulations contain cartilage (e.g., fibrous joints like sutures in the skull do not have cartilage), so the second statement is incorrect.

Answer:

All articulations contain some type of cartilage.