Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Elaine N. Marieb Katja Hoehn Active Lecture Questions prepared by Cinnamon VanPutte, Southwestern Illinois College Anatomy & Physiology THIRD EDITION 6 Bones and Skeletal Tissue

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 1. Which of the following is not a type of skeletal cartilage? a. hyaline b. elastic c. fibrocartilage d. dense regular

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 2. The terms “long”, “short”, “flat”, and “irregular” are used to classify bones based on their ________. a. tissue content b. function c. shape d. weight

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 3. The most important characteristic for designating a bone as a long bone is _________. a. its elongated shape b. its total length c. its length relative to other bones d. its location in the body

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 4. Which of the following functions of the skeletal system would be considered a “metabolic function”? a. protection b. support c. mineral storage d. movement

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 5. Depressions on bones include a. fossae b. trochanters c. tubercles d. tuberosities

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 6. An example of a projection on a bone that is a site of muscle or ligament attachment is a ___________. a. meatus b. head c. condyle d. trochanter

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 7. Which of the following is not a type of bone cell? a. osteoblast b. osteoclast c. osteocyte d. osteoclasp

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 8. An adult male is donating red bone marrow to determine if he is a match to a leukemia patient. Most likely, the doctor will collect the bone marrow from his ____________. a. femur diaphysis b. humerus diaphysis c. sternum d. skull

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 9. The end of a long bone is the ________. a. medullary cavity b. diaphysis c. epiphysis d. periosteum

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 10. A group of concentric rings of bone matrix, comprising the functional unit of long bones, is called a __________. a. lamella b. osteon c. Pillar system d. Sharpey’s system

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 11. Adjacent osteocytes communicate via gap junctions found within ________. a. lacunae b. Volkmann’s canals c. Haversian canals d. canaliculi

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 12. The principle component of bone that contributes to its hardness is __________. a. hydroxyapatites b. collagen c. osteoid d. organic components

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 13. Which characteristic of cartilage enhances its job as the precursor to endochondral bone? a. Cartilage can decay easily. b. Cartilage can accommodate mitosis. c. Cartilage is a weak tissue. d. Cartilage is retained as part of the skeletal system.

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 14. Bones that form from fibrous membrane precursors are known as__________. a. fibrous bone b. endochondral bone c. membrane bone d. cartilage bone

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 15. All bones formed via intramembranous ossification are ________ bones. a. long b. short c. flat d. irregular

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 16. Which of the following bone cell types is primarily responsible for initiating ossification of bone? a. osteoblasts b. osteoclasts c. osteocytes d. chondroblasts

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 17. What would long bone growth look like in an individual whose cartilage in the epiphyseal disc stopped dividing? a. The long bones would grow excessively. b. The long bones would cease growth in length. c. The long bones would cease growth in width. d. The long bones would appear normal.

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 18. Adding new bony matrix to injury sites is known as _________. a. bone sizing b. bone deposition c. bone resorption d. bone addition

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 19. The primary metabolic signal that triggers bone remodeling is _________. a. vitamin D b. phosphate c. calcium d. vitamin A

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 20. Which two hormones work in opposition to control homeostatic blood levels of calcium via bone remodeling? a. thyroid hormones and estrogen b. parathyroid hormone and calcitonin c. calcitonin and estrogen d. parathyroid hormone and estrogen

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 21. In a patient whose parathyroid glands have been removed, you would expect their blood calcium levels to _______. a. drop b. increase c. stay the same d. increase two-fold

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 22. Calcium’s importance to the body is primarily _____________. a. to strengthen bone b. to function in numerous metabolic activities (muscle contraction, blood coagulation) c. to whiten our teeth d. for both a and c

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings 23. A local coroner determined that the unidentified skeleton found last week was that of a weight lifter, because the muscle attachment sites were much thicker than in a normal person. This phenomenon is known as _______. a. calcitonin metabolism b. weight lifter law c. bone resorption d. Wolff’s law