Which of the following statements is accurate?

Show Answers

Fibronectin facilitates the binding of fibroblasts to collagen fibers.Cementicles are present within the periodontal ligament of elderly individuals.Large nerve fibers are myelinated and play a role in the perception of touch.Small nerve fibers, which may be myelinated or unmyelinated, are involved in sensing pain.All of the above statements are correct.

Explanation

Option A is true because fibronectin aids fibroblasts in attaching to collagen. Option B is correct as cementicles are found in the periodontal ligament of older adults. Option C is accurate since large myelinated nerve fibers detect touch sensations. Option D is valid because small nerve fibers, whether myelinated or not, transmit pain signals. Therefore, all the provided statements are correct.