ANATOMY

GENERAL ANATOMY

SKELETAL ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these factors is not necessary for normal bone growth and development?
A
growth hormone
B
high fat diet
C
male and female sex hormones
D
Vitamin A, C, and D
Explanation: 

Detailed explanation-1: -Summary. Bone contains several growth factors, including bone morphogenetic proteins (BMPs), transforming growth factor beta (TGF-), insulin-like growth factors I and II (IGF-I and IGF-II), platelet derived growth factor (PDGF) and basic and acidic fibroblast growth factor (bFGF and aFGF).

Detailed explanation-2: -Major hormones influencing bone growth and morphology include growth hormone (GH), androgens such as testosterone and dihydrotestosterone, and estrogens such as estradiol.

Detailed explanation-3: -Calcium is a mineral that people need to build and maintain strong bones and teeth. It is also very important for other physical functions, such as muscle control and blood circulation. Calcium is not made in the body-it must be absorbed from the foods we eat.

Detailed explanation-4: -Bone growth is affected by a lot of factors such as genetic, physical, dietary and hormonal. Bone growth is mainly regulated by the cells which are called osteoblasts (the cells that produce bone) and osteoclasts (the cells that lead to the resorption of bone) and the osteocytes makes up the bones.

There is 1 question to complete.