Question 1

Some people develop bones in areas of compression in the hand or foot; these extra bones are classified as ________ bones.

Accepted Answer

A)  long 
B)  sesamoid 
C)  irregular 
D)  short 
E)  flat B

Question 2

Each bone consists of either compact or spongy bone, but not both.

Accepted Answer

A) True 
 B)False  False

Question 3

Looking at a radiograph of the hand, it can be seen that the metacarpals and phalanges are classified as ________ bones.

Accepted Answer

A)  flat 
B)  irregular 
C)  sesamoid 
D)  long 
E)  short D

Question 4

Chicken bones soaked in vinegar or hydrochloric acid overnight become flexible, because the acid dissolves the collagen fibers.

Accepted Answer

A) True 
 B)False

Question 5

Concentric, interstitial, and circumferential lamellae all consist of ________.

Accepted Answer

A)  spongy bone 
B)  hematopoietic cells 
C)  yellow bone marrow 
D)  layers of matrix 
E)  trabeculae

Question 6

Which of the following is NOT a function of the bones?

Accepted Answer

A)  To store inorganic salts 
B)  To serve as attachment sites for muscles 
C)  To help to buffer blood pH 
D)  To contain the cells that produce blood cells 
E)  All of these are functions of the bones.

Question 7

Which of the following is NOT true of the cartilage of the adult skeleton?

Accepted Answer

A)  Intervertebral discs lie between adjacent vertebrae, and provide shock absorption for the vertebrae. 
B)  Costal cartilages connect the ribs to the sternum. 
C)  Articular cartilage is found on the ends of bones in joints, and reduces friction between joint-forming surfaces of the bones. 
D)  Costal cartilage, articular cartilage, and intervertebral discs are all composed of fibrocartilage. 
E)  All of these are true of the cartilage of the adult skeleton.

Question 8

Which of the following structures would NOT be found in the long bones of a mature adult?

Accepted Answer

A)  Epiphyses 
B)  Epiphyseal plates 
C)  Red bone marrow 
D)  Epiphyseal lines 
E)  Diaphyses

Question 9

Osteons are only found in compact bone.

Accepted Answer

A) True 
 B)False

Question 10

The inorganic portion of the bone matrix consists of all of the following except

Accepted Answer

A)  calcium phosphate. 
B)  calcium carbonate. 
C)  collagen fibers. 
D)  fluoride ions. 
E)  magnesium ions.

Question 11

Which of the following is NOT true of the structure of long bones?

Accepted Answer

A)  Long bones contain an epiphysis at both ends. 
B)  The diaphysis and surfaces of the epiphyses consist of compact bone. 
C)  The periosteum surrounds the entire bone, even where there is articular cartilage. 
D)  Spongy bone makes up the internal portions of the epiphyses. 
E)  All of the following are true of the structure of a long bone.

Question 12

Which of the following contain red bone marrow in the adult skeleton?

Accepted Answer

A)  The proximal epiphyses of the femurs 
B)  The radius and ulna 
C)  The tibia and fibula 
D)  The phalanges of the hands and feet 
E)  None of these structures contain red bone marrow in the adult skeleton.

Question 13

What is the function of osteoclasts in bone tissue?

Accepted Answer

A)  They form blood cells. 
B)  They dissolve bone to release calcium salts into the blood. 
C)  They are the stem cells of bone tissue. 
D)  They are isolated within the bone matrix, and they function in bone homeostasis. 
E)  They form bone by depositing bone matrix.

Question 14

By the time a person reaches adulthood, all of his/her red bone marrow has been converted to yellow bone marrow.

Accepted Answer

A) True 
 B)False

Question 15

A small chamber occupied by an osteocyte is called a(n) ________.

Accepted Answer

A)  lacuna 
B)  osteon 
C)  lamella 
D)  canaliculus 
E)  endosteum

Question 16

A bone is considered to be a tissue of the skeletal system.

Accepted Answer

A) True 
 B)False

Question 17

Some of the large cranial bones, which have wide surfaces, and are sometimes curved, are classified as ________ bones.

Accepted Answer

A)  short 
B)  long 
C)  irregular 
D)  flat 
E)  sesamoid

Exam 12: Bone Structure and Classification

Some people develop bones in areas of compression in the hand or foot; these extra bones are classified as ________ bones.

Each bone consists of either compact or spongy bone, but not both.

Looking at a radiograph of the hand, it can be seen that the metacarpals and phalanges are classified as ________ bones.

Chicken bones soaked in vinegar or hydrochloric acid overnight become flexible, because the acid dissolves the collagen fibers.

Concentric, interstitial, and circumferential lamellae all consist of ________.

Which of the following is NOT a function of the bones?

Which of the following is NOT true of the cartilage of the adult skeleton?

Which of the following structures would NOT be found in the long bones of a mature adult?

Osteons are only found in compact bone.

The inorganic portion of the bone matrix consists of all of the following except

Which of the following is NOT true of the structure of long bones?

Which of the following contain red bone marrow in the adult skeleton?

What is the function of osteoclasts in bone tissue?

By the time a person reaches adulthood, all of his/her red bone marrow has been converted to yellow bone marrow.

A small chamber occupied by an osteocyte is called a(n) ________.

A bone is considered to be a tissue of the skeletal system.

Some of the large cranial bones, which have wide surfaces, and are sometimes curved, are classified as ________ bones.