Question 1

A rounded hole through a bone is termed a

Accepted Answer

A)  ramus.
B)  foramen.
C)  linea.
D)  tubercle.
E)  facet.F) B) and E)
G) A) and D)

Question 2

Which of the following best matches osteocyte?

Accepted Answer

A)  stem cell
B)  dissolves matrix
C)  mature bone cell
D)  secretes organic matrix
E)  produce blood cellsF) C) and E)
G) All of the above

Question 3

________ bone reduces the weight of the skeleton and reduces the load on muscles.

Accepted Answer

A)  Short
B)  Irregular
C)  Spongy
D)  Compact
E)  LongF) A) and E)
G) A) and C)

Question 4

The central canal of an osteon contains

Accepted Answer

A)  bone marrow.
B)  osteocytes.
C)  concentric lamellae.
D)  blood vessels.
E)  lacunae.F) B) and C)
G) C) and D)

Question 5

In endochondral ossification,what is the original source of osteoblasts?

Accepted Answer

A)  The hyaline chondrocytes become osteoblasts.
B)  The differentiation of cells in the inner layer of the perichondrium.
C)  The differentiation of cells in the endochondrium.
D)  The differentiation of cells in the synovial cavity.
E)  The fibroblasts become osteoblasts.F) B) and E)
G) All of the above

Question 6

List the steps involved in fracture repair,beginning just after the fracture occurs.

Accepted Answer

A)  compact bone formation,spongy bone formation,callus formation,fracture hematoma formation
B)  fracture hematoma formation,spongy bone formation,callus formation,compact bone formation
C)  callus formation,fracture hematoma formation,compact bone formation,spongy bone formation
D)  callus formation,spongy bone formation,fracture hematoma formation,compact bone formation
E)  fracture hematoma formation,callus formation,spongy bone formation,compact bone formationF) C) and D)
G) A) and E)

Question 7

________ cells,which differentiate into osteoblasts,are located in the endosteum and inner cellular layer of the periosteum.

Accepted Answer

A)  Osteocyte
B)  Osteoclast
C)  Osteoid
D)  Osteogenic
E)  OsteoblastF) C) and D)
G) B) and C)

Question 8

The shaft of a long bone is called the

Accepted Answer

A)  epiphysis.
B)  diaphysis.
C)  epiphyseal plate.
D)  metaphysis.
E)  lamella.F) A) and E)
G) A) and D)

Question 9

The narrow region between the head and diaphysis of a long bone is called the

Accepted Answer

A)  canal.
B)  sulcus.
C)  trochlea.
D)  ramus.
E)  neck.F) D) and E)
G) None of the above

Question 10

What is the ratio of organic compounds to inorganic components in the composition of bone?

Accepted Answer

A)  Organic compounds make up 25%; inorganic components make up 75%.
B)  Organic compounds make up 75%; inorganic components make up 25%.
C)  Organic compounds make up 33%; inorganic components make up 67%.
D)  Organic compounds make up 67%; inorganic components make up 33%.
E)  Organic compounds make up 18%; inorganic components make up 82%.F) B) and E)
G) A) and B)

Question 11

The trabeculae of spongy bone

Accepted Answer

A)  are organized parallel to the long axis of the bone.
B)  are organized along stress lines.
C)  are composed mostly of cartilage.
D)  will collapse under stress.
E)  are concentrated in the cortex of the diaphysis.F) A) and B)
G) A) and C)

Question 12

Figure 6-1
-What are the structures labeled "4"?

Accepted Answer

A)  concentric lamellae
B)  perforating canals
C)  interstitial lamellae
D)  trabeculae
E)  periosteumF) A) and D)
G) A) and B)

Question 13

Figure 6-2
-Identify the structure labeled "2."

Accepted Answer

A)  epiphysis
B)  diaphysis
C)  metaphysis
D)  marrow cavity
E)  trabeculaeF) C) and E)
G) A) and B)

Question 14

The femur can withstand ________ times the body's weight without breaking.

Accepted Answer

A)  3
B)  5 to 10
C)  8
D)  10 to 15
E)  30F) C) and D)
G) A) and B)

Question 15

The most abundant cell type in bone is

Accepted Answer

A)  osteoclasts.
B)  osteoblasts.
C)  osteolytes.
D)  osteogenic cells.
E)  osteocytes.F) A) and C)
G) D) and E)

Question 16

During intramembranous ossification,bone replaces which type of tissue?

Accepted Answer

A)  hyaline cartilage
B)  elastic cartilage
C)  fibrocartilage
D)  embryonic,or fibrous connective tissue
E)  skeletal muscleF) All of the above
G) A) and D)

Question 17

A projection at an angle on a bone is termed a

Accepted Answer

A)  trochlea.
B)  canal.
C)  condyle.
D)  crest.
E)  ramus.F) C) and E)
G) B) and E)

Question 18

When the epiphyseal plate is replaced by bone,

Accepted Answer

A)  puberty begins.
B)  interstitial bone growth begins.
C)  appositional bone growth begins.
D)  long bones have reached their adult length.
E)  the bone becomes more brittle.F) B) and E)
G) B) and D)

Question 19

When cartilage is produced at the epiphyseal side of the metaphysis at the same rate as bone is deposited on the opposite side,bones

Accepted Answer

A)  grow longer.
B)  grow wider.
C)  become shorter.
D)  become more porous and weaker.
E)  become thicker.F) A) and D)
G) A) and C)

Question 20

During appositional growth,

Accepted Answer

A)  bones grow longer.
B)  bones grow wider.
C)  bone is replaced by cartilage.
D)  the epiphysis fuses with the diaphysis.
E)  osteoblasts are overwhelmed by osteocytes.F) A) and B)
G) A) and C)

Exam 6: Bones and Bone Structure

Which of the following best matches osteocyte?

Correct AnswerverifiedShow Answer

Figure 6-1 -What are the structures labeled "4"?

Correct AnswerverifiedShow Answer

The shaft of a long bone is called the

Correct AnswerverifiedShow Answer

In endochondral ossification,what is the original source of osteoblasts?

Correct AnswerverifiedShow Answer

What is the ratio of organic compounds to inorganic components in the composition of bone?

Correct AnswerverifiedShow Answer

During appositional growth,

Correct AnswerverifiedShow Answer

________ bone reduces the weight of the skeleton and reduces the load on muscles.

Correct AnswerverifiedShow Answer

When the epiphyseal plate is replaced by bone,

Correct AnswerverifiedShow Answer

The narrow region between the head and diaphysis of a long bone is called the

Correct AnswerverifiedShow Answer

When cartilage is produced at the epiphyseal side of the metaphysis at the same rate as bone is deposited on the opposite side,bones

Correct AnswerverifiedShow Answer

The most abundant cell type in bone is

Correct AnswerverifiedShow Answer

During intramembranous ossification,bone replaces which type of tissue?

Correct AnswerverifiedShow Answer

The trabeculae of spongy bone

Correct AnswerverifiedShow Answer

The femur can withstand ________ times the body's weight without breaking.

Correct AnswerverifiedShow Answer

________ cells,which differentiate into osteoblasts,are located in the endosteum and inner cellular layer of the periosteum.

Correct AnswerverifiedShow Answer

A projection at an angle on a bone is termed a

Correct AnswerverifiedShow Answer

Figure 6-2 -Identify the structure labeled "2."

Correct AnswerverifiedShow Answer

The central canal of an osteon contains

Correct AnswerverifiedShow Answer

A rounded hole through a bone is termed a

Correct AnswerverifiedShow Answer

List the steps involved in fracture repair,beginning just after the fracture occurs.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified