Which statement about the hoof wall is true?

• A. It is composed of bone
• B. It bears weight, resists wear, and provides traction
• C. It is not keratinized
• D. It only functions in moisture regulation

Answer: (B)

The main idea here is understanding the hoof wall’s role as the outer protective, weight-bearing shell of the hoof. It is made of keratinized horn tissue, not bone, with the coffin bone hidden inside. Because of its keratinized composition, the wall is tough enough to take the horse’s weight, resist abrasion from ground contact, and provide traction so the animal can stand and move without slipping. Saying the hoof wall is not keratinized would be incorrect, since that keratinized structure is what gives it its hardness and durability. Moisture regulation is not its primary function; while the wall can exchange some moisture with the environment, its main job is protection, load-bearing, and grip.