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 protection
b. movement and leverage
C. transport of materials via its fluid matrix
d. blood cell production
e. storage of minerals
Difficulty: Easy
Seeley - 006 Skeletal... #1
Type: 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.
Difficulty: Easy
Seeley - 006 Skeletal... #2
Type: Knowledge
3. Bones are a type of
a. cartilage.
b. epithelial tissue.
c. muscle tissue.
D. connective tissue.
e. multi-cellular membrane.
Difficulty: Easy
Seeley - 006 Skeletal... #5
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #7
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #9
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #10
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #13
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #15
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #16
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #20
Type: Knowledge
11. After _____ (bone forming cells) become completely surrounded by bone matrix, they are
called _____ (mature bone cells).
a. osteocytes, osteoblasts
b. osteoblasts, osteoclasts
c. osteoclasts, osteoblasts
D. osteoblasts, osteocytes
e. osteocytes, osteoclasts
Difficulty: Easy
Seeley - 006 Skeletal... #21
Type: Knowledge
12. Which of the following bones were likely produced through endochondral ossification?
A. femur
b. frontal
c. parietal
d. temporal
e. None of these bones were formed through endochondral ossification.
Difficulty: Moderate
Seeley - 006 Skeletal... #25
Type: Knowledge
13. Which of these bones is a part of the appendicular skeleton?
a. skull
b. ribs
c. sternum
D. clavicle
e. hyoid
Difficulty: Easy
Seeley - 006 Skeletal... #27
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #29
Type: Knowledge
15. Which two bones contribute to the nasal septum?
a. vomer and maxilla
b. vomer and sphenoid
c. maxillary and palatine
D. vomer and ethmoid
e. ethmoid and sphenoid
Difficulty: Easy
Seeley - 006 Skeletal... #31
Type: Knowledge
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.
Difficulty: Moderate
Seeley - 006 Skeletal... #34
Type: Knowledge
17. Which of these sections of the vertebral column is matched with its correct number of
vertebrae?
a. thoracic — 7 vertebrae
b. cervical — 12 vertebrae
C. sacral — 5 vertebrae fused into one sacrum
d. lumbar — 8 vertebrae
e. coccygeal — 2 vertebrae fused into one coccyx
Difficulty: Moderate
Seeley - 006 Skeletal... #35
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #41
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #42
Type: Knowledge
20. Fibrous joints between the bones of the skull are called
A. sutures.
b. synovial joints.
c. gomphoses.
d. cartilaginous joints.
e. syndesmoses
Difficulty: Easy
Seeley - 006 Skeletal... #48
Type: Knowledge
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.
Difficulty: Moderate
Seeley - 006 Skeletal... #49
Type: Knowledge
22. Which of these joints could be described as a saddle joint?
a. the knee joint
b. the shoulder joint
c. the articular processes between vertebrae
D. the thumb joint
e. the joint between occipital condyles and the atlas
Difficulty: Moderate
Seeley - 006 Skeletal... #50
Type: 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. adduction
d. pronation.
E. supination.
Difficulty: Moderate
Seeley - 006 Skeletal... #51
Type: 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 joint
b. atlas to occipital condyles articulation
c. articulation between C2 and C3
d. articulation between C6 and C7
Difficulty: Hard
Seeley - 006 Skeletal... #53
Type: 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.
Difficulty: Moderate
Seeley - 006 Skeletal... #57
Type: Knowledge
26. Vertebrae are best classified as
a. long bones.
b. short bones.
c. flat bones.
D. irregular bones.
Difficulty: Easy
Seeley - 006 Skeletal... #60
Type: Comprehension
27. Metacarpals and phalanges are best classified as
a. long bones.
B. short bones.
c. flat bones.
d. irregular bones.
Difficulty: Easy
Seeley - 006 Skeletal... #61
Type: Comprehension
28. The ulna and radius are best classified as
A. long bones.
b. short bones.
c. flat bones.
d. irregular bones.
Difficulty: Easy
Seeley - 006 Skeletal... #62
Type: Comprehension
29. The anatomical term for a cavity found in bone is
a. canal or meatus.
b. fissure.
c. fossa.
D. sinus.
e. foramen.
Difficulty: Easy
Seeley - 006 Skeletal... #65
Type: Knowledge
30. A __________ is a term describing a hole found in bone.
a. canal or meatus
b. fissure
c. fossa
d. sinus
E. foramen
Difficulty: Easy
Seeley - 006 Skeletal... #67
Type: Knowledge
31. The ____________ is (are) the opening through which the spinal cord connects to the brain.
a. mandibular fossa
B. foramen magnum
c. nasolacrimal canal
d. optic foramen
e. orbital fissures
Difficulty: Moderate
Seeley - 006 Skeletal... #69
Type: Knowledge
32. The ____________ is (are) the opening through which the optic nerve passes into the cranial
vault.
a. mandibular fossa
b. foramen magnum
c. nasolacrimal canal
D. optic foramen
e. orbital fissures
Difficulty: Moderate
Seeley - 006 Skeletal... #71
Type: Knowledge
33. The _____________ is (are) the opening(s) through which nerves or blood vessels
communicate with the orbit.
a. mandibular fossa
b. foramen magnum
c. nasolacrimal canal
d. optic foramen
E. superior and inferior orbital fissures
Difficulty: Moderate
Seeley - 006 Skeletal... #72
Type: Knowledge
34. The ______________ is (are) the weight-bearing portion of vertebra.
a. articular facets
b. vertebral canal
C. vertebral body
d. spinous process
e. intervertebral foramina
Difficulty: Easy
Seeley - 006 Skeletal... #74
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #75
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #77
Type: Knowledge
37. There are _______ bones in the human body.
a. 200
B. 206
c. 400
d. 412
e. 602
Difficulty: Easy
Seeley - 006 Skeletal... #83
Type: Knowledge
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.
Difficulty: Easy
Seeley - 006 Skeletal... #84
Type: Knowledge
39. The long bones of the body form through ___________ ossification.
a. chondralmembranous
b. intramembranous
C. endochondral
d. endomembranous
Difficulty: Easy
Seeley - 006 Skeletal... #86
Type: Knowledge
40. The cells that actively break down osseous tissue are
a. osteoblasts
B. osteoclasts
c. osteoprogenitor cells
d. osteocytes
Difficulty: Easy
Seeley - 006 Skeletal... #87
Type: Knowledge
41. The joint between a tooth and its socket is an example of a __________joint.
A. fibrous
b. cartilaginous
c. synovial
Difficulty: Moderate
Seeley - 006 Skeletal... #96
Type: Knowledge
42. __________ joints, a type of synovial joint, move only in one plane.
A. Hinge
b. Ball and socket
c. Ellipsoidal
d. Pivot
e. Saddle
Difficulty: Easy
Seeley - 006 Skeletal... #97
Type: Knowledge
43. __________ is a unique movement that occurs at the thumb as it moves toward the little
finger.
a. Pronation
b. Eversion
C. Opposition
d. Circumduction
e. Excursion
Difficulty: Easy
Seeley - 006 Skeletal... #98
Type: Comprehension
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: Easy
Seeley - 001 The... #1
Type: 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 cell
b. lysosome — contains digestive enzymes
C. mitochondria — site of protein synthesis
d. Golgi apparatus — packages proteins in secretory vesicles
e. smooth ER — site of lipid synthesis
Difficulty: Moderate
Seeley - 003 Cell... #7
Type: 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: Easy
Seeley - 003 Cell... #27
Type: 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: Easy
Seeley - 005 Integumentary... #3
Type: 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: Easy
Seeley - 005 Integumentary... #5
Type: 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: Easy
Seeley - 002 The... #1
Type: 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.