skeletal system lab worksheet

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Responses to worksheet questions Each lab worksheet will have a number of questions to complete. On various worksheets you may be asked to: provide answers to open-end questions, create outlines, fill in blanks, or complete tables. Be sure to provide complete answers to each question and to fill all blanks and tables as appropriate for each assignment. Each question or blank will be worth 1 pt as a raw score. Different worksheets will have different raw scores depending on the length of the assignment. Your instructor will then convert your raw score to a point value out of 10 based on your performance on each worksheet

THE SKELETAL SYSTEM Complete all pre- and post-lab questions. Then save this file as ‘Lastname_SkeletalWorksheet’ and submit for grading within your course module. Pre-Lab Questions • List the functions of the skeletal system. • What material contributes the most to the compressive strength of bone? • Briefly describe the process of bone remodeling. • Research Wolff’s Law. How does the formation of torus mandibularis relate to this theory? • Given your understanding of Wolff’s Law, what mechanical consideration would be important when designing a bioreactor for osteocyte growth ex vivo? • Experiment 1: Physical Skeleton – The Axial Skeleton Data Tables Table 15: Cervical Vertebrae Observations Vertebral Feature Size of cervical vertebrae in comparison to those of the thoracic and lumbar region Shape of the vertebral foramen Spinous process of the C3 – C6 vertebrae Spinous process of the C7 vertebra Observations Table 16: Thoracic Vertebrae Observations Vertebral Feature Size and weight of the thoracic vertebrae in comparison to those of the cervical and lumbar region Shape of the vertebral body Appearance and projection direction of the spinous process Observations Table 17: Lumbar Vertebrae Observations Vertebral Feature Size of the lumbar vertebrae in comparison to those of the cervical and thoracic region Shape of the vertebral body Appearance and projection direction of the spinous process Observations Table 18: Rib Feature Observations Rib Feature Length of ribs 1 – 7 (do they increase or decrease in length?) Length of ribs 8 – 12 (do they increase or decrease in length?) Articulation of the ribs and Observations thoracic vertebrae (notice the specific rib and vertebra that articulate) Post-Lab Questions • What are the three components of the axial skeleton? Describe the function of each. • Identify the labeled components on the skull below. A ________________ B ________________ C ________________ D ________________ E ________________ F ________________ • Indicate whether the following bones are cranial or facial bones, and give their location. Bone Temporal Bones Mandible Vomer Zygomatic Bones Parietal Bones Ethmoid Bone Sphenoid Bone Lacrimal Bones • Facial or Cranial Location What are the three regions of the vertebral column? Describe the general shape and size of the vertebrae in each region. • What are the atlas and axis? What are their functions? • Identify the vertebral structures on the images below. A ________________ B ________________ C ________________ D ________________ E ________________ • What is the purpose of the thoracic cage? • Describe the three components of the sternum. • Describe the difference between true ribs, false ribs, and floating ribs. Experiment 2: Physical Skeleton – The Appendicular Skeleton Post-Lab Questions • What are the four parts of the upper extremity and the lower extremity of the appendicular skeleton? • Compare and contrast the size and function of the upper and lower extremities of the appendicular skeleton. • What are the three fused bones that make up the coxae of the pelvic girdle? What is their location in relationship to one another?

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ProWriterEvans55
School: UT Austin

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