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Calcium and phosphorous are needed in large quantities when bones are growing. Show more…
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ACTIVITY 7 Answer the bone markings questions below. (1) Which bone marking does not serve as an articulating surface? A) Head B) Epicondyle C) Condyle D) Face E) Trochlea (2) Rami, trochanters, tubercles, and tuberosities are bone markings that serve as A) articulating surfaces. B) passageways for nerves. C) attachments for ligaments or tendons. D) pits or depressions to hold cartilage. E) passageways for blood vessels. (3) Which bone marking provides a site where bones articulate or to which ligaments and tendons attach? A) opening B) depression C) foramen D) projection (4) The ________ neck of the humerus marks the position of the former epiphyseal plate. (5) Explain why it is important to know the bone markings Bone Markings 6. Match the terms in column B with the appropriate description in column A: YOUR ANSWER Column A Column B 1. sharp, slender process condyle 2. small rounded projection foramen 3. large rounded projection fossa 4. structure supported on neck head 5. armlike projection meatus 6. rounded, convex projection ramus 7. canal-like structure sinus 8. round or oval opening through a bone spine 9. shallow depression trochanter 10. air-filled cavity tubercle 11. large, irregularly shaped projection tuberosity
Adi S.
Which structure includes all other structures? a) bronchioles b) osteocyte c) Osteon d) lamella Osteoporosis involves the depletion of bone matrix (osteolysis exceeds osteogenesis). Which of the following statements is true of someone with osteoporosis? a) None of the statements above is true. b) Osteocytes are not functioning properly. c) Osteoblasts are more active than osteoclasts. d) Osteoclasts are more active than osteoblasts. Inadequate levels of vitamin D can lead to which of the following conditions? a) abnormally low bone density b) increased levels of testosterone c) increased levels of spongy bone d) abnormally high bone density Which of the following structures is NOT part of the structure of compact bone? a) central canal b) trabeculae c) concentric lamella d) collagen fiber Which of the following lists shows structures in order from simplest to the most complex? a) calcium–compact bone–osteoclast–rib b) spongy bone–hydroxyapatite–osteocyte–rib c) collagen–osteoblast–compact bone–femur d) humerus–spongy bone–osteoblast–collagen
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