Question 1

Which is not true about bone remodeling?

Accepted Answer

A)  It occurs throughout life.
B)  It assists in the maintenance of calcium and phosphate levels in the body.
C)  It occurs at both the endosteal and periosteal surfaces of the bone.
D)  It occurs only at articular surfaces.
E)  It can occur in response to stress on a bone.F) A) and B)
G) C) and D)

Question 2

A fracture of the distal end of the radius is a _________ fracture.

Accepted Answer

The answer of A fracture of the distal end of...

Question 3

What is the function of cartilage located in the epiphyseal plates?

Accepted Answer

A)  Serves as model for bone formation
B)  Provides passageway for blood vessels
C)  Forms articular surface
D)  Supports soft tissues
E)  Provides flexibility for bendingF) A) and B)
G) B) and E)

Question 4

The bones of the wrist are classified as _____ bones.

Accepted Answer

A)  long
B)  regular
C)  short
D)  irregular
E)  flatF) A) and D)
G) A) and B)

Question 5

Which is not a function of bone?

Accepted Answer

A)  Protection
B)  Mineral storage
C)  Body movement
D)  Hormone synthesis
E)  HemopoiesisF) C) and E)
G) A) and D)

Question 6

-This figure illustrates the cell types found in bone.Which number indicates an osteocyte?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) All of the above
G) C) and E)

Question 7

-This figure illustrates the components of compact bone.Number 5 indicates passageways called

Accepted Answer

A)  central canals.
B)  perforating canals.
C)  penetrating canals.
D)  canaliculi.
E)  interstitial canals.F) B) and D)
G) None of the above

Question 8

Which is not correct about spongy bone?

Accepted Answer

A)  Its spaces hold red bone marrow.
B)  It is located deep to compact bone.
C)  It forms diploe in the cranial bones.
D)  It is composed of tubular units called osteons.
E)  It is located in the epiphyses of long bones.F) A) and B)
G) B) and D)

Question 9

In adults,an area of compact bone called the epiphyseal tract replaces the epiphyseal plate.

Accepted Answer

A) True 
 B)False

Question 10

The flat bones of the cranium form by intramembranous ossification.

Accepted Answer

A) True 
 B)False

Question 11

Osteolysis is

Accepted Answer

A)  demineralization due to hydrochloric acid activity.
B)  the release of calcium and phosphate from the matrix.
C)  the result of osteoclast activity.
D)  the result of enzyme activity.
E)  All of these answers are correct.F) None of the above
G) A) and B)

Question 12

Found within both the periosteum and endosteum,_________ cells are derived from mesenchyme and serve as the stem cells of bone.

Accepted Answer

The answer of Found within both the periosteum and endosteum,_________...

Question 13

In compact bone,the matrix rings that surround the central canal of each osteon are called

Accepted Answer

A)  canaliculi.
B)  concentric lamellae.
C)  circumferential lamellae.
D)  perforating canals.
E)  interstitial lamellae.F) C) and E)
G) C) and D)

Question 14

The shaft of a long bone is called the diaphysis;the ends are called the _________.

Accepted Answer

The answer of The shaft of a long bone is...

Question 15

Which is a change in bone architecture or mass related to aging?

Accepted Answer

A)  Insufficient calcification
B)  Demineralization
C)  Reduction in the organic content of the matrix
D)  Loss of flexibility and increase in brittleness
E)  All of the choices are correct.F) B) and D)
G) A) and B)

Question 16

The medullary cavity of a long bone is lined with a thin layer of connective tissue called the

Accepted Answer

A)  diaphysis.
B)  epiphysis.
C)  endosteum.
D)  periosteum.
E)  trabeculae.F) A) and B)
G) B) and D)

Question 17

Before beginning orthodontic treatment,a patient may have her wrist and hand x-rayed to determine her stage of growth.What long bone feature will the orthodontist use to assess this?

Accepted Answer

A)  Osteon
B)  Periosteum
C)  Spongy bone
D)  Epiphyseal plate
E)  Compact boneF) B) and C)
G) A) and E)

Question 18

Which type of cartilage is described as follows: matrix with thick collagen fibers;lacks perichondrium;resists stretching and compression?

Accepted Answer

A)  Elastic cartilage
B)  Reticular cartilage
C)  Articular cartilage
D)  Fibrocartilage
E)  Hyaline cartilageF) B) and C)
G) A) and D)

Question 19

Patients with osteoporosis often suffer _________ fractures of the vertebral bodies due to loss of bone mass.

Accepted Answer

A)  spiral
B)  epiphyseal
C)  greenstick
D)  compression
E)  transverseF) C) and D)
G) B) and D)

Question 20

What explains the dramatic acceleration in lengthwise bone growth at puberty?

Accepted Answer

A)  Increased activity of osteoclasts occurs in response to parathyroid hormone stimulation.
B)  Increased rate of calcium deposition occurs due to high blood calcium levels.
C)  Increased physical activity causes lengthwise growth in response to bone stress.
D)  Increased secretion of sex hormones promotes epiphyseal plate growth.
E)  Increased absorption of dietary vitamins and minerals strengthens the matrix.F) All of the above
G) C) and D)

Exam 6: Cartilage and Bone

The bones of the wrist are classified as _____ bones.

Correct AnswerverifiedShow Answer

A fracture of the distal end of the radius is a _________ fracture.

Correct AnswerverifiedShow Answer

What explains the dramatic acceleration in lengthwise bone growth at puberty?

Correct AnswerverifiedShow Answer

In adults,an area of compact bone called the epiphyseal tract replaces the epiphyseal plate.

Correct AnswerverifiedShow Answer

Which is not a function of bone?

Correct AnswerverifiedShow Answer

-This figure illustrates the cell types found in bone.Which number indicates an osteocyte?

Correct AnswerverifiedShow Answer

-This figure illustrates the components of compact bone.Number 5 indicates passageways called

Correct AnswerverifiedShow Answer

The flat bones of the cranium form by intramembranous ossification.

Correct AnswerverifiedShow Answer

Patients with osteoporosis often suffer _________ fractures of the vertebral bodies due to loss of bone mass.

Correct AnswerverifiedShow Answer

In compact bone,the matrix rings that surround the central canal of each osteon are called

Correct AnswerverifiedShow Answer

Found within both the periosteum and endosteum,_________ cells are derived from mesenchyme and serve as the stem cells of bone.

Correct AnswerverifiedShow Answer

Osteolysis is

Correct AnswerverifiedShow Answer

Which is a change in bone architecture or mass related to aging?

Correct AnswerverifiedShow Answer

What is the function of cartilage located in the epiphyseal plates?

Correct AnswerverifiedShow Answer

Before beginning orthodontic treatment,a patient may have her wrist and hand x-rayed to determine her stage of growth.What long bone feature will the orthodontist use to assess this?

Correct AnswerverifiedShow Answer

Which is not correct about spongy bone?

Correct AnswerverifiedShow Answer

Which type of cartilage is described as follows: matrix with thick collagen fibers;lacks perichondrium;resists stretching and compression?

Correct AnswerverifiedShow Answer

Which is not true about bone remodeling?

Correct AnswerverifiedShow Answer

The shaft of a long bone is called the diaphysis;the ends are called the _________.

Correct AnswerverifiedShow Answer

The medullary cavity of a long bone is lined with a thin layer of connective tissue called the

Correct AnswerverifiedShow Answer

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