Ch 6 Skeleton Study Guide Answers

Ch 6 Skeleton Practice Test Key

1. The functions of the skeletal system include all of the following EXCEPT: a. support and protectionb. movement and leverageC. transport of materials via its fluid matrixd. blood cell productione. storage of minerals

Difficulty: EasySeeley - 006 Skeletal... #1Type: Knowledge

2. The skeletal system helps maintain homeostasis by a. acting as a calcium buffer and storage site.b. acting as a phosphate buffer and storage site.c. acting as an energy buffer and storage site.d. acting as a blood cell production site.E. All of these aid in maintaining homeostasis.

Difficulty: ModerateSeeley - 006 Skeletal... #3Type: Comprehension

3. Bones are a type of a. cartilage.b. epithelial tissue.c. muscle tissue.D. connective tissue.e. multi-cellular membrane.


4. The extracellular matrix of tendons and ligaments is made up of A. primarily collagen fibers.b. collagen and minerals.c. collagen and proteoglycand. osteocytes.e. chondrocytes.


5. During growth of a long bone, the site of growth in length is the a. medullary cavity.b. marrow.C. epiphyseal plate.d. endosteum.e. periosteum.


6. Compact bone consists of cells called osteocytes located within spaces in the matrix called a. lamellae.b. haversian canals.c. canaliculi.D. lacunae.e. medullary cavities.


7. In compact bone, a haversian canal, with the lamellae and osteocytes surrounding it are called a. lacunae.B. osteon.c. canaliculi.d. cancellous bone.e. medullary cavities.


8. The periosteum a. contains blood vessels and nerves.b. contains osteoblasts.c. is composed of dense connective tissue.d. covers the outer surface of bones.E. All of these are correct.


9. Which of the following pathways correctly follows the flow of nutrients needed by the osteocytes in compact bone? a. Osteocytes lucane blood vessels in central canals diffusion through the canaliculi blood vessels in periosteum & endosteum general circulationb. Osteocytes lucane diffusion through the canaliculi blood vessels in central canals blood vessels in periosteum & endosteum general circulationc. Blood vessels in central canals blood vessels in periosteum & endosteum diffusion through the canaliculi lucane osteocyteD. Blood vessels in periosteum & endosteum blood vessels in central canals diffusion through the canaliculi lucane osteocytee. Blood vessels in periosteum direct diffusion through the hard, ossified matrix osteocyte


10. After _____ (bone forming cells) become completely surrounded by bone matrix, they are called _____ (mature bone cells). a. osteocytes, osteoblastsb. osteoblasts, osteoclastsc. osteoclasts, osteoblastsD. osteoblasts, osteocytese. osteocytes, osteoclasts


11. Which of the following bones were likely produced through endochondral ossification? A. femurb. frontalc. parietald. temporale. None of these bones were formed through endochondral ossification.

Difficulty: ModerateSeeley - 006 Skeletal... #25Type: Knowledge

12. The two bones of the skull in which teeth are located are the A. maxilla and mandible.b. zygomatic and mandible.c. maxilla and zygomatic.d. maxilla and frontal.e. frontal and mandible.


13. Which two bones contribute to the nasal septum? a. vomer and maxillab. vomer and sphenoidc. maxillary and palatineD. vomer and ethmoide. ethmoid and sphenoid


14. The palate a. separates the nasal cavity from the mouth.b. consists of a hard palate and a soft palate.c. is a point of attachment for tongue muscles.d. is formed by the palatine and sphenoid bones.E. both separates the nasal cavity from the mouth and consists of a hard palate and a soft palate.


15. Which of these vertebrae is NOT correctly matched with their identifying characteristics? a. thoracic vertebrae — articular facets for ribsB. lumbar vertebrae — transverse foramina in transverse processesc. atlas — articulates with occipital condylesd. axis — allows lateral motion as in shaking one's head "no"e. sacrum — has sacral hiatus and sacral promontory


16. Given these structures: 1) body2) jugular notch3) manubrium4) xiphoid processArrange the structures in the correct order from superior to inferior as they occur in the sternum. a. 1, 2, 3, 4b. 1, 3, 2, 4c. 2, 1, 3, 4D. 2, 3, 1, 4e. 3, 1, 2, 4

Difficulty: EasySeeley - 006 Skeletal... #40Type: Comprehension

17. Fibrous joints between the bones of the skull are called A. sutures.b. synovial joints.c. gomphoses.d. cartilaginous joints.e. syndesmoses


18. Which of these statements about synovial joints is correct? a. Articular cartilage covers articular surfaces of bones.b. Synovial joints contain synovial fluid.c. The synovial membrane may extend as a pocket or sac, called a bursa.d. The joint cavity is enclosed by a joint capsule.E. All of the statements are correct.


19. You turn the doorknob clockwise with your right hand to open the door. The movement your hand makes would be called a. extension.b. flexion.c. adductiond. pronation.E. supination.

Difficulty: ModerateSeeley - 006 Skeletal... #51Type: Application

20. Which of these bones touches all of the others? a. frontalb. temporalC. sphenoidd. parietale. maxillary


21. John Flashback was running downfield with the football. As he tried to avoid a tackle, he stepped in a hole and his foot was twisted under him with great force. The X-ray shows a "broken ankle". The structure that is most likely broken is the a. calcaneus bone.b. the patella.c. a bone in the second metatarsal.D. the lateral malleolus of the fibula.e. the head of the fibula.

Difficulty: ModerateSeeley - 006 Skeletal... #56Type: Application

22. Vertebrae are best classified as a. long bones.b. short bones.c. flat bones.D. irregular bones.

Difficulty: EasySeeley - 006 Skeletal... #60Type: Comprehension

23. A __________ is a term describing a hole found in bone. a. canal or meatusb. fissurec. fossad. sinusE. foramen


24. There are _______ bones in the human body. a. 200B. 206c. 400d. 412e. 602


25. The cells that actively break down osseous tissue are a. osteoblastsB. osteoclastsc. osteoprogenitor cellsd. osteocytes

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Ch 6 Skeleton Study Guide Answers