Axial Skeleton
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Questions and Answers

How many bones make up the human skeletal system?

  • 250
  • 180
  • 206 (correct)
  • 220
  • What is the primary role of the axial skeleton?

  • To store minerals
  • To provide shape and support to the body (correct)
  • To protect internal organs
  • To provide movement to the body
  • What is the function of bones in hematopoiesis?

  • To provide movement to the body
  • To store minerals
  • To protect internal organs
  • To form blood cells (correct)
  • What percentage of bones are composed of water?

    <p>50%</p> Signup and view all the answers

    What is the purpose of the appendicular skeleton?

    <p>To provide movement to the body</p> Signup and view all the answers

    What is the term for the manner in which bones come together at a joint?

    <p>Articulation</p> Signup and view all the answers

    What is the main component of osseous tissue?

    <p>A solid, calcified, rigid substance</p> Signup and view all the answers

    What type of bone is the femur classified as?

    <p>Long bone</p> Signup and view all the answers

    Which type of joint allows no movement?

    <p>Synarthrosis</p> Signup and view all the answers

    What is the function of the periosteum?

    <p>Outer covering of the bone</p> Signup and view all the answers

    What type of bone is the vertebrae classified as?

    <p>Irregular bone</p> Signup and view all the answers

    What is the diaphysis?

    <p>Shaft of the bone</p> Signup and view all the answers

    What type of joint allows slight movement?

    <p>Amphiarthrosis</p> Signup and view all the answers

    What is the epiphysis?

    <p>Growing end of the bone</p> Signup and view all the answers

    What is the advantage of the spinal curves in the vertebral column?

    <p>They can support the weight of the body and provide balance</p> Signup and view all the answers

    How many vertebrae are present in the lumbar curve?

    <p>5</p> Signup and view all the answers

    What is the function of osteoclasts in bone growth?

    <p>They break down bones</p> Signup and view all the answers

    What is the characteristic of the male pelvis?

    <p>It is shaped like a funnel and is heavier and stronger</p> Signup and view all the answers

    What is osteoporosis?

    <p>An age-related loss of bone mass or density</p> Signup and view all the answers

    What is the function of osteoblasts in bone growth?

    <p>They form new bones</p> Signup and view all the answers

    What forms the pelvic basin?

    <p>Hip bones, sacrum, and coccyx</p> Signup and view all the answers

    What is the primary function of osteocytes in the bone?

    <p>To transport nutrients and wastes</p> Signup and view all the answers

    What is the main component of the extracellular matrix of bone that provides resilience?

    <p>Collagen</p> Signup and view all the answers

    What is the process of bone resorption controlled by?

    <p>Osteoclasts and parathyroid hormone</p> Signup and view all the answers

    What is the effect of a deficiency of vitamin D on bone development?

    <p>Rickets and osteomalacia</p> Signup and view all the answers

    What is the effect of excessive growth hormone on bone growth?

    <p>Gigantism and acromegaly</p> Signup and view all the answers

    Where does blood cell formation occur in the body?

    <p>Red bone marrow</p> Signup and view all the answers

    What is the primary function of physical stress on bone growth?

    <p>Stimulates bone growth</p> Signup and view all the answers

    What is the main function of sex hormones in bone development?

    <p>Stimulates bone formation</p> Signup and view all the answers

    What is the primary function of the thyroid gland in bone development?

    <p>Directs bone deposition and resorption</p> Signup and view all the answers

    Osteocytes are responsible for transporting nutrients and wastes.

    <p>True</p> Signup and view all the answers

    The extracellular matrix of bone is composed of collagen and organic salts.

    <p>False</p> Signup and view all the answers

    Parathyroid hormone is involved in bone deposition.

    <p>False</p> Signup and view all the answers

    Vitamin D deficiency leads to fragile bones.

    <p>False</p> Signup and view all the answers

    Insufficient thyroid hormone can lead to accelerated bone growth.

    <p>False</p> Signup and view all the answers

    Physical stress can inhibit bone growth.

    <p>False</p> Signup and view all the answers

    Hematopoiesis occurs in the yellow bone marrow.

    <p>False</p> Signup and view all the answers

    The primary function of the skeletal system is to store inorganic salts.

    <p>False</p> Signup and view all the answers

    Calcium phosphate is a type of inorganic salt stored in bones.

    <p>True</p> Signup and view all the answers

    Osteoblasts are responsible for breaking down bone tissue.

    <p>False</p> Signup and view all the answers

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