2) In bone homeostasis, vitamin C is required for: a) collagen synthesis. b) absorption of calcium. c) immune system function. d) routine osteoblast activity.
Musculoskeletal System
The musculoskeletal system, also called the locomotor system, is an organ system that gives humans and animals the ability to move using their muscular and skeletal systems. It provides stability, form, support, and movement to the body. The skeleton is composed of bones (skeleton), muscles, cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together. The musculoskeletal system is subdivided into two broad systems, such as the muscular system and the skeletal system.
Skeletal structure
The skeletal system is the core framework of the human body. The skeletal structure comprises bones and connective tissue, including cartilage, ligaments, and tendons. The skeletal structure of our body acts as a support structure. It maintains the body's shape and is responsible for its movement, blood cell formation, protection of organs, and mineral storage. The skeletal system is referred to as the musculoskeletal system.
2) In bone homeostasis, vitamin C is required for:
a) collagen synthesis.
b) absorption of calcium.
c) immune system function.
d) routine osteoblast activity.
Vitamin C is well known for supressing osteoclast and stimulated formation of osteoblasts. Osteoclasts are involved in bone resorption where the bone cells are degraded to release calcium and phosphorous into the blood stream when there in insufficient calcium in the diet. Osteoblasts are involved in forming new bone cells.
Absorption of calcium needs vitamin D.
Hence, the option (b) is incorrect.
Vitamin C has been shown to stimulate the proliferation and function of white blood cells. However, this is not correlated with role of vitamin C in bone homeostatis.
Hence, the option (c) is incorrect.
Vitamic C stimulates the formation of osteoblasts. However, the routine activity of osteoblast is not supported by vitamin C.
Hence, the option (d) is incorrect.
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