Question 1

How are osteocytes and osteoblasts related?

Accepted Answer

A)  Osteocytes become osteoblasts as the bone matures. 
B)  Osteoblasts become osteocytes as the bone matures. 
C)  Osteocytes and osteoblasts have the same function, but osteocytes work in the adult and osteoblasts work in the fetus. 
D)  Osteocytes and osteoblasts work opposite each other. One builds up bone while the other absorbs it. 
E)  Osteocytes are mature bone cells while osteoblasts are a form of bone cancer. 
A)  Osteocytes become osteoblasts as the bone matures. 
B)  Osteoblasts become osteocytes as the bone matures. 
C)  Osteocytes and osteoblasts have the same function, but osteocytes work in the adult and osteoblasts work in the fetus. 
D)  Osteocytes and osteoblasts work opposite each other. One builds up bone while the other absorbs it. 
E)  Osteocytes are mature bone cells while osteoblasts are a form of bone cancer. B

Question 2

Where,besides adipose tissue,is fat stored?

Accepted Answer

A)  matrix of bone 
B)  yellow bone marrow 
C)  red bone marrow 
D)  periosteum 
E)  articular cartilage 
A)  matrix of bone 
B)  yellow bone marrow 
C)  red bone marrow 
D)  periosteum 
E)  articular cartilage B

Question 3

Which function of the skeletal system requires the leg bones to be extremely strong?

Accepted Answer

A)  They support the entire body. 
B)  They protect soft body parts. 
C)  They produce blood cells. 
D)  They store minerals and fat. 
E)  They permit flexible body movement. 
A)  They support the entire body. 
B)  They protect soft body parts. 
C)  They produce blood cells. 
D)  They store minerals and fat. 
E)  They permit flexible body movement. A

Question 4

How is bone repair different from bone development?

Accepted Answer

A)  A hematoma indicates an injury has occurred. 
B)  Osteoblasts are not involved in bone repair but they are in bone development. 
C)  Osteoclasts are involved in bone development but not in bone repair. 
D)  Only spongy bone is built in bone repair while both spongy and compact bone are built in bone development. 
E)  There is no cartilage involved in bone repair but there is in bone development. 
A)  A hematoma indicates an injury has occurred. 
B)  Osteoblasts are not involved in bone repair but they are in bone development. 
C)  Osteoclasts are involved in bone development but not in bone repair. 
D)  Only spongy bone is built in bone repair while both spongy and compact bone are built in bone development. 
E)  There is no cartilage involved in bone repair but there is in bone development.

Question 5

Bone cells are called ________ while cartilage cells are called ________.

Accepted Answer

A)  osteocytes, osteoblasts 
B)  lacunae, osteocytes 
C)  chondrocytes, lacunae 
D)  osteoblasts, chondrocytes 
E)  osteocytes, chondrocytes 
A)  osteocytes, osteoblasts 
B)  lacunae, osteocytes 
C)  chondrocytes, lacunae 
D)  osteoblasts, chondrocytes 
E)  osteocytes, chondrocytes

Question 6

Which bone is the longest and strongest bone in the body?

Accepted Answer

A)  humerus 
B)  pelvis 
C)  tibia 
D)  fibula 
E)  femur 
A)  humerus 
B)  pelvis 
C)  tibia 
D)  fibula 
E)  femur

Question 7

The epiglottis is a structure that needs to be strong but extremely flexible.What type of tissue gives the epiglottis this property?

Accepted Answer

A)  elastic cartilage 
B)  fibrocartilage 
C)  hyaline cartilage 
D)  bone 
E)  muscle 
A)  elastic cartilage 
B)  fibrocartilage 
C)  hyaline cartilage 
D)  bone 
E)  muscle

Question 8

What are the functions of the sinuses?

Accepted Answer

A)  to drain fluid from the brain and to allow the brain to expand 
B)  to give a resonant sound to the voice and to allow the brain to expand 
C)  to lighten the skull and drain fluid from the brain 
D)  to lighten the skull and give a resonant sound to the voice 
E)  to allow the brain to expand and to lighten the skull 
A)  to drain fluid from the brain and to allow the brain to expand 
B)  to give a resonant sound to the voice and to allow the brain to expand 
C)  to lighten the skull and drain fluid from the brain 
D)  to lighten the skull and give a resonant sound to the voice 
E)  to allow the brain to expand and to lighten the skull

Question 9

What two hormones are involved in regulating the blood calcium level?

Accepted Answer

A)  calcitonin and renin 
B)  renin and aldosterone 
C)  renin and PTH 
D)  aldosterone and PTH 
E)  PTH and calcitonin 
A)  calcitonin and renin 
B)  renin and aldosterone 
C)  renin and PTH 
D)  aldosterone and PTH 
E)  PTH and calcitonin

Question 10

Which function of the skeleton do the rib cage,vertebral column,and skull provide?

Accepted Answer

A)  support the body 
B)  protect soft body parts 
C)  produce blood cells 
D)  store minerals and fats 
E)  permit flexible body movement 
A)  support the body 
B)  protect soft body parts 
C)  produce blood cells 
D)  store minerals and fats 
E)  permit flexible body movement

Question 11

Arrange the steps of bone repair in order: 1.Remodeling; 2.Bony callus; 3.Hematoma; 4.Fibrocartilaginous callus

Accepted Answer

A)  1,2,3,4 
B)  4,3,2,1 
C)  1,2,4,3 
D)  3,4,2,1 
E)  2,1,4,3 
A)  1,2,3,4 
B)  4,3,2,1 
C)  1,2,4,3 
D)  3,4,2,1 
E)  2,1,4,3

Question 12

Which joint action allows for the body part to move towards the midline?

Accepted Answer

A)  adduction 
B)  abduction 
C)  flexion 
D)  pronation 
E)  eversion 
A)  adduction 
B)  abduction 
C)  flexion 
D)  pronation 
E)  eversion

Question 13

Which type of joints tend to be slightly movable?

Accepted Answer

A)  fibrous 
B)  cartilaginous 
C)  synovial 
D)  sutures 
E)  none of these are slightly moveable 
A)  fibrous 
B)  cartilaginous 
C)  synovial 
D)  sutures 
E)  none of these are slightly moveable

Question 14

When you hit your "funny bone," what are you hitting?

Accepted Answer

A)  olecranon process 
B)  deltoid tuberosity 
C)  acromion process 
D)  head of ulna 
E)  glenoid cavity 
A)  olecranon process 
B)  deltoid tuberosity 
C)  acromion process 
D)  head of ulna 
E)  glenoid cavity

Question 15

Jill broke her cheekbone in an ice skating accident.Which bone did she break?

Accepted Answer

A)  temporal bone 
B)  mandible 
C)  maxilla 
D)  zygomatic bone 
E)  frontal bone 
A)  temporal bone 
B)  mandible 
C)  maxilla 
D)  zygomatic bone 
E)  frontal bone

Question 16

What is a canaliculus?

Accepted Answer

A)  the large cavity inside a long bone 
B)  a stress plate in spongy bone 
C)  a fibrous connective covering of bone 
D)  a small channel in the matrix of bone 
E)  a type of bone forming cell 
A)  the large cavity inside a long bone 
B)  a stress plate in spongy bone 
C)  a fibrous connective covering of bone 
D)  a small channel in the matrix of bone 
E)  a type of bone forming cell

Question 17

As long as the growth plate remains,the limbs will keep increasing in length.

Accepted Answer

A) True 
 B)False

Question 18

When Phillip was little,he walked on the outside edge of his feet.Turning one's foot like this is what type of movement?

Accepted Answer

A)  rotation 
B)  eversion 
C)  inversion 
D)  circumduction 
E)  adduction and abduction 
A)  rotation 
B)  eversion 
C)  inversion 
D)  circumduction 
E)  adduction and abduction

Question 19

Which of the following statements is not true regarding the region of primary ossification of a bone?

Accepted Answer

A)  Osteoblasts are derived from the newly formed periosteum. 
B)  Bone formation spreads from the center to the ends of the bone. 
C)  As the cartilage models calcify, the chondrocytes die off. 
D)  The region of primary ossification is where osteoclasts are laid down on the outside of the bone. 
E)  A band of cartilage remains between the primary ossification center and each secondary center. 
A)  Osteoblasts are derived from the newly formed periosteum. 
B)  Bone formation spreads from the center to the ends of the bone. 
C)  As the cartilage models calcify, the chondrocytes die off. 
D)  The region of primary ossification is where osteoclasts are laid down on the outside of the bone. 
E)  A band of cartilage remains between the primary ossification center and each secondary center.

Question 20

What criterion is used to categorize the skeleton into axial and appendicular?

Accepted Answer

A)  whether the bones are weight bearing or not 
B)  whether the bones lie on the midline or on a girdle 
C)  whether the bones are flat or long 
D)  whether the bones contain red bone marrow or yellow bone marrow 
E)  whether the bones articulate with the pelvis or not 
A)  whether the bones are weight bearing or not 
B)  whether the bones lie on the midline or on a girdle 
C)  whether the bones are flat or long 
D)  whether the bones contain red bone marrow or yellow bone marrow 
E)  whether the bones articulate with the pelvis or not

Exam 12: Skeletal System

How are osteocytes and osteoblasts related?

Where,besides adipose tissue,is fat stored?

Which function of the skeletal system requires the leg bones to be extremely strong?

How is bone repair different from bone development?

Bone cells are called ________ while cartilage cells are called ________.

Which bone is the longest and strongest bone in the body?

The epiglottis is a structure that needs to be strong but extremely flexible.What type of tissue gives the epiglottis this property?

What are the functions of the sinuses?

What two hormones are involved in regulating the blood calcium level?

Which function of the skeleton do the rib cage,vertebral column,and skull provide?

Arrange the steps of bone repair in order: 1.Remodeling; 2.Bony callus; 3.Hematoma; 4.Fibrocartilaginous callus

Which joint action allows for the body part to move towards the midline?

Which type of joints tend to be slightly movable?

When you hit your "funny bone," what are you hitting?

Jill broke her cheekbone in an ice skating accident.Which bone did she break?

What is a canaliculus?

As long as the growth plate remains,the limbs will keep increasing in length.

When Phillip was little,he walked on the outside edge of his feet.Turning one's foot like this is what type of movement?

Which of the following statements is not true regarding the region of primary ossification of a bone?

What criterion is used to categorize the skeleton into axial and appendicular?

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Bone cells are called while cartilage cells are called .