When viewing an x-ray of a femur of a 6-year-old boy, you are most likely to see an
A.
epiphyseal line
B.
equatorial plate
C.
equatorial line
D.
epiphyseal plate
2.
Unlike long bones, flat bones do not contain
A.
trabeculae
B.
medullary cavity
C.
compact bone
D.
spongy bone
3.
The type of bone marrow that is considered to be highly hematopoietic is
A.
yellow bone marrow
B.
white bone marrow
C.
red bone marrow
4.
What is an example of hyaline cartilage?
A.
intervertebral discs
B.
nasal cartilage
C.
external ear
D.
epiglottis
5.
What is an example of fibrocartilage?
A.
external ear
B.
articular cartilage
C.
nasal cartilage
D.
intervertebral discs
6.
What is an example of elastic cartilage?
A.
external ear
B.
nasal cartilage
C.
intervertebral discs
D.
meniscus
7.
What is the function of an osteocyte?
A.
involved in bone deposition
B.
build bone
C.
help maintain the ECM in bone
D.
bone resorption
8.
What is the function of an osteoblast?
A.
bone deposition
B.
bone resorption
C.
maintain the ECM
D.
breakdown the bone
9.
What is the function of an osteoclast?
A.
build bones
B.
bone resorption
C.
bone deposition
D.
help maintain ECM
10.
When calcium levels decrease, what is released?
A.
ECM
B.
calcium salts
C.
periosteum
D.
PTH
11.
The remodeling of bone is a function of
A.
chondrocytes and osteocytes
B.
osteoblasts and osteocytes
C.
osteoblasts and osteoclasts
D.
chondroblasts and osteoclasts
12.
Connective tissue sacs containing synovial fluid that acts as cushions in places where friction develops are referred to as
A.
synovial chambers
B.
synovial membranes
C.
bursae
D.
sarcoplasmic reticulum
13.
Correctly order the following events which occur in endochondral ossification.
1. bone collar formed by osteoblasts
2. perichondrium is converted to the periosteum
3. osteoclasts extend the medullary cavity
4. osteoblasts form spongy bone as a cartilage matrix deteriorates
A.
2, 3, 4, 1
B.
3, 2, 1, 4
C.
2, 1, 4, 3
14.
Select the statement that is not true of longitudinal bone growth
A.
the epiphyses are pushed away from the diaphysis
B.
longitudinal growth occurs at the epiphyseal plate
C.
old cartilage cells enlarge and the matrix calcifies
D.
the dividing cells at the plate (in the zone of proliferation) are osteocytes
15.
Type of fiber that provides strength and durability
A.
collagen fibers
B.
endosteum
C.
hydroxypatite
D.
epiphyseal plate
16.
Type of ossification that forms the clavicle and most of the skull bones
A.
appositional growth
B.
endochondral ossification
C.
intramembranous ossification
D.
periosteum
17.
Lines the inner wall of the medullary cavity & trebeculae of spongy bone
A.
periosteum
B.
endosteum
C.
osteon
D.
diaphysis
18.
The structural unit of compact bone
A.
osteon
B.
collagen
C.
calcium salt
D.
spongy bone
19.
Growth by the addition of new tissue at the periphery of the bone, allows bones to increase in width
A.
longitudinal growth
B.
endochondral ossification
C.
intramembranous ossification
D.
appositional growth
20.
Type of canals that connect adjacent osteons
A.
central (Haversian) canals
B.
nutrient forearm
C.
perforating canals
D.
medullary canal
21.
Referred to as the shaft of a long bone
A.
periosteum
B.
diaphysis
C.
epiphyseal plate
D.
hydroxyapatite
22.
Name of the canal that contains the majority of the bone's blood vessels and neurons
A.
nutrient foramen
B.
central (Haversian) canal
C.
periosteum
D.
perforating canal
23.
The inorganic component (calcium salts) that makes bones hard
A.
hydroxyapatite
B.
endosteum
C.
spongy bone
D.
collagen
24.
Internal layer of skeletal bone, contains trabeculae
A.
medullary cavity
B.
periosteum
C.
spongy bone
D.
diaphysis
25.
Site(s) in which blood vessels enter/leave a bone
A.
epiphyseal plate
B.
central (Haversian) canal
C.
perforating canal
D.
nutrient foramen
26.
In a long bone it is the location that would contain red bone marrow in children
A.
central (Haversian) canal
B.
nutrient foramen
C.
epiphyseal plate
D.
medullary cavity
27.
An example of a synarthrotic joint is
A.
intevertebral disc
B.
elbow joint
C.
suture (between skull bones)
28.
A joint which is highly moveable is called
A.
synarthrotic
B.
amphiathrotic
C.
diarthrotic
29.
Identify number 16
A.
lamellae
B.
osteons
C.
medullary cavity
D.
endosteum
30.
Identify 17
A.
lamellae
B.
medullary cavity
C.
diaphysis
D.
epiphysis
31.
Identify 18
A.
lamellae
B.
medullary cavity
C.
diaphysis
D.
epiphysis
32.
Identify 19
A.
lamellae
B.
medullary cavity
C.
diaphysis
D.
epiphysis
33.
Identify 20
A.
endosteum
B.
medullary cavity
C.
diaphysis
D.
periosteum
34.
Which of the following are functions of the skeletal system? (May be more than one answer)
A.
support
B.
communication
C.
production of blood cells
35.
What type of skeletal cartilage provides support is very resilient and is the most abundant type?
A.
hyaline cartilage
B.
elastic cartilage
C.
fibrocartilage
36.
Bones may be classifies by their shape.
A.
True
B.
False
37.
Which of the following is the tubular shaft that forms the long axis of a typical long bone?
A.
diaphysis
B.
epiphysis
38.
What is the structural unit of a compact bone?
A.
lamellar bone
B.
osteon
C.
canaliculi
39.
Which of the following are small canals that connect lacunae to each other?
A.
Haversian canal
B.
perforating canal
C.
canaliculi
40.
Branching pieces of bone and spongy bone are called?
A.
lamellae
B.
trabeculae
C.
lacunae
41.
Each consecutive bone lamallae has collagen fibers that wrap in alternating directions.
A.
True
B.
False
42.
For endochondral ossification to take place, which of the following is necessary?
A.
bone collar forms around hyaline cartilage model
B.
ossification center forms in the fibrous connective tissue
C.
mesenchymal cells differentiate into the periosteum
43.
The inner osteogenic layer of the periosteum consists primarily of
A.
osteoblasts and osteoclasts
B.
chondrocytes and osteocytes
C.
osteons and osteoblasts
44.
Parathyroid hormone
A.
decreases osteoclast activity
B.
increases osteoclast activity
C.
does not effect osteoclast activity
D.
45.
Which of the following is the correct sequence of events for fracture repair?
