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    HUman Biology

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    This structure supports the weight of the vetebral column and helps protect organs.
    a. sternum
    b. pectoral girdle
    c. pelvic girdle
    d. acetabulum

    What converts to red marrow and produces new red blood cells when blood loss from the body is severe.
    a. yellow marrow
    b. spongy bone
    c. compact bone
    d. red marrow

    What is the bodies strongest weight bearing bone.
    a. Humerus
    b. Lumbar
    c. Tibia
    d. Femur

    Which of the following terms best describes a frog's skeleton?
    a. Cartilaginous endoskeleton
    b. Hydrostatic skeleton
    c. Bony endoskeleton
    d. Exoskelton

    What type of skeleton does a butterfly have?
    a. Cartilaginous endoskeleton
    b. Bony endoskeleton
    c. Hydrostatic skeleton
    d. Exoskeleton

    Exercising ______________ bone density.
    a. Increases
    b. Decreases

    What type of skeletal system does a jellyfish have?
    a. Cartilaginous endoskeleton
    b. Bony endoskeleton
    c. Hydrostatic skeleton
    d. Exoskeleton

    As a child ages, what changes will occur in his bones?
    a. The amount of red marrow will increase.
    b. The amount of red marrow will decrease.
    c. The amount of yellow marrow will decrease.
    d. Bone mass will increase, then decrease.

    Which of the following statements about the function of the skeletal system is not true?
    a. It provides storage for glucose.
    b. It provides storage for calcium.
    c. It functions in hemopoiesis.
    d. It protects vital organs of the body.

    A deficiency of Vitamin D in children produces
    a. rickets
    b. osteomalacia
    c. osteoporosis
    d. osteomyelitis

    An inability of the body to transport calcium and phosphorus from the digestive
    system may be caused by the lack of:
    a. Vitamin D
    b. Vitamin K
    c. Vitamin B
    d. Vitamin E

    Osteoclasts _________ bone and osteoblasts _________ bone.
    a. destroy; build
    b. destroy; destroy
    c. build; build
    d. build; destroy

    The inflammation and degeneration of cartilage is called
    a. osteoarthritis
    b. osteoma
    c. osteitis
    d. osteosarcoma

    The axial skeleton consists of:
    a. pectoral and pelvic girdles
    b. appendages
    c. girdles and appendages
    d. skull, vertebral column, and thorax

    Which of the following is (are) not a part of the appendicular skeleton?
    a. thorax
    b. pelvic girdle
    c. pectoral girdle
    d. extremities

    A human has at least _______ bones.
    a. 106
    b. 204
    c. 206
    d. 402

    The effects of exercise on bones are to _____ and to ______ them.
    a. thicken, elongate
    b. thicken, strengthen
    c. lengthen, strengthen
    d. elongate, thin

    Red bone marrow functions in the formation of
    a. red cells only
    b. white cells only
    c. platelets only
    d. all of the above

    What are the smallest bones in the body?
    a. Lentils
    b. Femur
    c. Middle ear bones
    d. Hyoid

    Which of the following is TRUE concerning the skeleton system?
    a. Male skull is smaller.
    b. Female jaw is larger.
    c. Female sacrum is wider.
    d. Male coccyx is more moveable.

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