Question 1

In compact bone, ________ connect adjacent lacunae, thereby providing pathways for nutrients and other materials to pass between osteocytes.

Accepted Answer

A)   osteonic canals
B)   blood vessels
C)   lamellae
D)   canaliculi
E)   perforating canalsF) C) and E)
G) B) and D)

Question 2

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

Accepted Answer

A)   Site of bone elongation and growth
B)   Provides passageway for blood vessels
C)   Forms articular surface
D)   Supports soft tissues
E)   Provides flexibility for bendingF) C) and E)
G) B) and C)

Question 3

What is the incomplete layer of cells that covers all internal surfaces of the bone within the medullary cavity?

Accepted Answer

A)   Diaphysis
B)   Epiphysis
C)   Endosteum
D)   Periosteum
E)   TrabeculaF) A) and C)
G) A) and D) C

Question 4

Osteons are also called ________ systems.

Accepted Answer

The answer of Osteons are also called ________ systems....

Question 5

Which is false regarding 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 C)
G) None of the above D

Question 6

About 80% of the human skeleton is replaced yearly as a result of bone remodeling.

Accepted Answer

A) True 
 B)False

Question 7

In adults, the medullary cavities of most long bones contain red marrow.

Accepted Answer

A) True 
 B)False

Question 8

The formation of bone from a cartilaginous model is termed

Accepted Answer

A)   mesenchymal ossification.
B)   intramembranous ossification.
C)   bone remodeling.
D)   orthodontia.
E)   endochondral ossification.F) B) and D)
G) A) and D)

Question 9

The shaft of a long bone is called the ________.

Accepted Answer

diaphysis

Question 10

An example of a flat bone would be the

Accepted Answer

A)   femur (of thigh) .
B)   radius (of forearm) .
C)   trapezoid (of wrist) .
D)   sternum (breast bone) .
E)   calcaneus (heel) .F) A) and E)
G) A) and D)

Question 11

The process of bone repair includes these steps:
A: Fracture hematoma forms
B: Bone is remodeled
C: Fibrocartilaginous callus forms
D: Bony callus forms
The correct chronological order for these steps is

Accepted Answer

A)   a - c - d - b
B)   a - b - d - c
C)   c - d - b - a
D)   d - a - b - c
E)   b - a - c - dF) C) and E)
G) A) and D)

Question 12

Bone is ________ and contains mainly ________ nerves.

Accepted Answer

A)   avascular; sensory
B)   avascular; motor
C)   highly vascularized; sensory
D)   highly vascularized; motorE) A) and B)
F) All of the above

Question 13

Which choice places the steps of intramembranous ossification in correct chronological order?
A: Formation of lamellar bone
B: Osteoid undergoes calcification
C: Ossification centers form
D: Formation of woven bone and its periosteum

Accepted Answer

A)   b - a - c - d
B)   c - b - d - a
C)   c - b - a - d
D)   a - c - d - b
E)   b - c - d - aF) B) and E)
G) A) and E)

Question 14

The bones of the wrist are classified as ________ bones.

Accepted Answer

A)   long
B)   regular
C)   short
D)   irregular
E)   flatF) None of the above
G) A) and D)

Question 15

Spongy bone makes up less than half of total bone mass, and is located internal to compact bone.

Accepted Answer

A) True 
 B)False

Question 16

Which is an alternate term for compact bone?

Accepted Answer

A)   Cancellous bone
B)   Trabecular bone
C)   Spongy bone
D)   Diploe
E)   Cortical boneF) C) and E)
G) A) and C)

Question 17

Parathyroid hormone and calcitriol

Accepted Answer

A)   stimulate osteoclasts to resorb bone and release calcium into the blood.
B)   stimulate osteoblasts to deposit bone by producing calcified matrix.
C)   stimulate osteoblasts to resorb bone and lower blood calcium levels.
D)   stimulate osteoclasts to move calcium from the blood and into the bone.E) C) and D)
F) All of the above

Question 18

Which is the definition for a greenstick fracture?

Accepted Answer

A)   The bone is twisted as it fractures.
B)   The fracture is at right angles to the long axis of the bone.
C)   The bone is splintered into several fragments.
D)   Only one side of the bone is broken; the other side is bent.
E)   The fracture is at an oblique angle to the long axis of the bone.F) B) and E)
G) All of the above

Question 19

Which hormone inhibits bone growth?

Accepted Answer

A)   Calcitonin
B)   Estrogen and testosterone
C)   Thyroid hormone
D)   Parathyroid hormone
E)   Growth hormoneF) C) and D)
G) C) and E)

Question 20

Which region of a growing bone contains the epiphyseal plate?

Accepted Answer

A)   Distal epiphysis
B)   Proximal epiphysis
C)   Metaphysis
D)   Diaphysis
E)   PeriphysisF) All of the above
G) B) and D)

Exam 7: Skeletal System: Bone Structure and Function

In compact bone, ________ connect adjacent lacunae, thereby providing pathways for nutrients and other materials to pass between osteocytes.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the incomplete layer of cells that covers all internal surfaces of the bone within the medullary cavity?

Correct AnswerverifiedC

Osteons are also called ________ systems.

Correct AnswerverifiedShow Answer

Which is false regarding bone remodeling?

Correct AnswerverifiedD

About 80% of the human skeleton is replaced yearly as a result of bone remodeling.

Correct AnswerverifiedShow Answer

In adults, the medullary cavities of most long bones contain red marrow.

Correct AnswerverifiedShow Answer

The formation of bone from a cartilaginous model is termed

Correct AnswerverifiedShow Answer

The shaft of a long bone is called the ________.

Correct Answerverifieddiaphysis

An example of a flat bone would be the

Correct AnswerverifiedShow Answer

The process of bone repair includes these steps: A: Fracture hematoma forms B: Bone is remodeled C: Fibrocartilaginous callus forms D: Bony callus forms The correct chronological order for these steps is

Correct AnswerverifiedShow Answer

Bone is ________ and contains mainly ________ nerves.

Correct AnswerverifiedShow Answer

Which choice places the steps of intramembranous ossification in correct chronological order? A: Formation of lamellar bone B: Osteoid undergoes calcification C: Ossification centers form D: Formation of woven bone and its periosteum

Correct AnswerverifiedShow Answer

The bones of the wrist are classified as ________ bones.

Correct AnswerverifiedShow Answer

Spongy bone makes up less than half of total bone mass, and is located internal to compact bone.

Correct AnswerverifiedShow Answer

Which is an alternate term for compact bone?

Correct AnswerverifiedShow Answer

Parathyroid hormone and calcitriol

Correct AnswerverifiedShow Answer

Which is the definition for a greenstick fracture?

Correct AnswerverifiedShow Answer

Which hormone inhibits bone growth?

Correct AnswerverifiedShow Answer

Which region of a growing bone contains the epiphyseal plate?

Correct AnswerverifiedShow Answer

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C

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D

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diaphysis

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Bone is and contains mainly nerves.

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