· Web viewmaxilla and mandible.b. zygomatic and mandible.c. maxilla and zygomatic.d. maxilla and frontal.e. frontal and mandible. Difficulty: Easy

Ch 6 Skeleton Exam Key

Part I Multiple Choice

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. In the human body, bones are A. continuously being recycled and remodeled.b. flexible and elastic.c. lifeless, white, and unchanging.d. capable of changing only during childhood or earlier.e. after childhood, capable of changing only after fractures or breaks.


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 cartilage is made up of a. primarily collagen fibers.b. collagen and minerals.C. collagen and proteoglycans.d. 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. The outer surface of bone is covered by a connective tissue layer called the a. lamellae.B. periosteum.c. endosteum.d. epiphysis.e. diaphysis.


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. Which of the following is INCORRECT? a. Cancellous bone is located in the epiphysis of long bones and interior of all other bones.b. Compact bone is located in the diaphysis of long bones and thinner superficial surface of all other bones.C. Compact bone is located in the epiphysis of long bones and interior of all other bones.d. Lamellae are thin sheets of extracellular matrix in which bone is formed.e. An osteon is a central canal with concentric layers of lamellae and osteocytes surrounding it.


9. When bone growth (lengthening) stops, A. the cartilage of each epiphyseal plate is replaced by bone and is called the epiphyseal line.b. the bone of each epiphyseal plate is replaced by cartilage and is called the articular cartilage.c. the cartilage of each epiphyseal plate is replaced by bone and is called the periosteum.d. the bone of each epiphyseal plate is replaced by cartilage and is called the endosteum.e. the cartilage of each epiphyseal plate is replaced by bone and is called the lamellar line.


10. Intramembranous ossification A. occurs in the bones of the roof of the skull.b. is the process that produces most of the skeletal system.c. occurs when bones develop from cartilage models.d. occurs when osteoblasts invade the spaces left by dying cartilage cells.e. has all of these characteristics.


11. 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


12. 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

13. Which of these bones is a part of the appendicular skeleton? a. skullb. ribsc. sternumD. claviclee. hyoid


14. 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.


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


16. 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.


17. Which of these sections of the vertebral column is matched with its correct number of vertebrae? a. thoracic — 7 vertebraeb. cervical — 12 vertebraeC. sacral — 5 vertebrae fused into one sacrumd. lumbar — 8 vertebraee. coccygeal — 2 vertebrae fused into one coccyx


18. The pectoral girdle a. attaches the lower limb to the body.B. consists of the clavicle and scapula.c. is part of the axial skeleton.d. is attached to the body only where the clavicle attaches to the vertebrae.e. has all of these characteristics.


19. The scapula a. has a depression called the glenoid cavity where the head of the humerus articulates.b. has a coracoid process to which arm and chest muscles attach.c. has an acromion process to which the clavicle attaches.d. has a ridge, called the spine, on the posterior surface.E. has all of these landmarks.


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


21. 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.


22. Which of these joints could be described as a saddle joint? a. the knee jointb. the shoulder jointc. the articular processes between vertebraeD. the thumb jointe. the joint between occipital condyles and the atlas

Difficulty: ModerateSeeley - 006 Skeletal... #50Type: Comprehension

23. 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

24. After suffering multiple cervical fractures, Myron Coolheart, IRS agent, was given a choice of which vertebrae to fuse together i.e., he could leave only one articulation unfused. He decided to choose the fusion that would still allow him to shake his head "no". His choice was to leave the ___________ unfused. A. atlas to axis jointb. atlas to occipital condyles articulationc. articulation between C2 and C3d. articulation between C6 and C7

Difficulty: HardSeeley - 006 Skeletal... #53Type: Comprehension

25. During the process of bone repair, immobilization of the bone is most useful during a. the last 2 weeks as bone remodeling occurs.b. the first 4 to 6 hours until the blood clot forms.c. the first 2 weeks until the callus has formed.D. the first 4 to 6 weeks until cancellous bone has closed the break.e. the entire 2 to 3 months that it takes for compact bone to replace the compact bone that was originally lost.


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

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

27. Metacarpals and phalanges are best classified as a. long bones.B. short bones.c. flat bones.d. irregular bones.


28. The ulna and radius are best classified as A. long bones.b. short bones.c. flat bones.d. irregular bones.


29. The anatomical term for a cavity found in bone is a. canal or meatus.b. fissure.c. fossa.D. sinus.e. foramen.


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


31. The ____________ is (are) the opening through which the spinal cord connects to the brain. a. mandibular fossaB. foramen magnumc. nasolacrimal canald. optic foramene. orbital fissures


32. The ____________ is (are) the opening through which the optic nerve passes into the cranial vault. a. mandibular fossab. foramen magnumc. nasolacrimal canalD. optic foramene. orbital fissures


33. The _____________ is (are) the opening(s) through which nerves or blood vessels communicate with the orbit. a. mandibular fossab. foramen magnumc. nasolacrimal canald. optic foramenE. superior and inferior orbital fissures


34. The ______________ is (are) the weight-bearing portion of vertebra. a. articular facetsb. vertebral canalC. vertebral bodyd. spinous processe. intervertebral foramina


35. The lumps that can be felt down the midline of the back are the a. articular facets.b. vertebral canal.c. vertebral body.D. spinous process.e. intervertebral foramina.


36. The locations where spinal nerves exit the vertebrae is (are) the a. articular facets.b. vertebral canal.c. vertebral body.d. spinous process.E. intervertebral foramina.


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


38. The extracellular matrix of bone does NOT include a. collagen fibers.B. elastic fibers.c. calcium.d. phosphate.e. Bone includes all of these in its extracellular matrix.


39. The long bones of the body form through ___________ ossification. a. chondralmembranousb. intramembranousC. endochondrald. endomembranous


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


41. The joint between a tooth and its socket is an example of a __________joint. A. fibrousb. cartilaginousc. synovial


42. __________ joints, a type of synovial joint, move only in one plane. A. Hingeb. Ball and socketc. Ellipsoidald. Pivote. Saddle


43. __________ is a unique movement that occurs at the thumb as it moves toward the little finger. a. Pronationb. EversionC. Oppositiond. Circumductione. Excursion


Part II Review

44. The study of external features, such as bony projections that serve as landmarks to locate deeper structures is called a. systemic anatomy.b. regional anatomy.C. surface anatomy.d. physiology.e. anatomic imaging.

Difficulty: EasySeeley - 001 The... #1Type: Knowledge

45. Which of the following cell organelles is NOT correctly matched with its function? a. nucleus — contains genes that determine the structure and function of each cellb. lysosome — contains digestive enzymesC. mitochondria — site of protein synthesisd. Golgi apparatus — packages proteins in secretory vesiclese. smooth ER — site of lipid synthesis

Difficulty: ModerateSeeley - 003 Cell... #7Type: Knowledge

46. Endocytosis A. involves the formation of a vesicle by invagination of the cell membrane.b. involves the movement of materials to the outside of the cell.c. is the opposite of phagocytosis.d. is a kind of active transport.e. involves the movement of materials to the outside of the cell and is the opposite of phagocytosis.

Difficulty: EasySeeley - 003 Cell... #27Type: Knowledge

47. The dermis a. consists of collagen and elastic fibers.b. is responsible for most of the structural strength of the skin.c. contains fibroblasts, fat cells, and macrophages.d. has dermal papillae.E. has all of these characteristics.

Difficulty: EasySeeley - 005 Integumentary... #3Type: Knowledge

48. Fingerprints and footprints are produced by dermal projections into the epidermis called a. striae.b. cleavage lines.C. papillae.d. reticular lines.e. subcutaneous tissue.

Difficulty: EasySeeley - 005 Integumentary... #5Type: Knowledge

49. The smallest particle of an element that has the chemical characteristics of that element is a(n) a. neutron.b. proton.c. electron.D. atom.e. electron cloud.

Difficulty: EasySeeley - 002 The... #1Type: Knowledge

50. A substance that increases the rate at which a reaction proceeds, without itself being changed or depleted is a A. catalyst.b. reactant.c. buffer.d. base.e. product.

Documents

· Web viewmaxilla and mandible.b. zygomatic and mandible.c. maxilla and zygomatic.d. maxilla and frontal.e. frontal and mandible. Difficulty: Easy