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WorksheetsThe Skeletal System
Total questions: 21
Worksheet time: 11mins
Which of the following structures is found in your axial skeleton?
phalanges
humerus
patella
vertebrae
Which of the following is an example of a sesamoid bone?
phalanges
humerus
patella
vertebrae
What is the name given to the long, middle section of a long bone?
diaphysis
epiphyses
epiphyseal plate
periosteum
The tough layer of connective tissue surrounding the bone and allowing for attachment to tendons and ligaments is called
diaphysis
epiphyses
epiphyseal plate
periosteum
The medullary cavity of an 8-year old boy's femur would likely be filled with
periosteum
yellow bone marrow
compact bone tissue
red bone marrow
What structure does "A" represent?
central Haversian canal
osteon
osteocyte
canaliculi
What structure does "B" represent?
central Haversian canal
osteon
osteocyte
canaliculi
What structure does "C" represent?
central Haversian canal
osteon
osteocyte
canaliculi
What structure does "D" represent?
central Haversian canal
osteon
osteocyte
canaliculi
The "little beams" that make up spongy bone are called
concentric lamellae
interstitial lamellae
trabeculae
osteons
Which of the following is the first step in ossification?
osteoblasts form spongy bone
the matrix around the chondrocytes calcifies and hardens
chondrocytes divide rapidly and form tiny columns of cells
osteoclasts enlarge the bone cavity
Which of the following is the second step in ossification?
osteoblasts form spongy bone
the matrix around the chondrocytes calcifies and hardens
chondrocytes divide rapidly and form tiny columns of cells
osteoclasts enlarge the bone cavity
Which of the following is the third step in ossification?
osteoblasts form spongy bone
the matrix around the chondrocytes calcifies and hardens
chondrocytes divide rapidly and form tiny columns of cells
osteoclasts enlarge the bone cavity
Which of the following is the forth step in ossification?
osteoblasts form spongy bone
the matrix around the chondrocytes calcifies and hardens
chondrocytes divide rapidly and form tiny columns of cells
osteoclasts enlarge the bone cavity
When a bone is broken, a large mass of blood forms that is called a(n)
osteocyte
hematoma
osteoclast
callus
What is the function of hydroxyapatite?
to provide flexibility and keep bones from constantly breaking
to form new osteocytes when a bone is broken
to provide bone strength and hardness
to reduce the amount of calcium in the blood
You haven't been eating your vegetables or drinking milk. The calcium in your blood is therefore, quite low. What hormone will break down your bone to put calcium back into your blood?
PTH
osteoid
calcitonin
hydroxyapatite
Which types of joints are immovable or only slightly moveable?
synovial and cartilaginous
synovial and fibrous
cartilaginous and fibrous
fibrous and irregular
Turning your head from side to side uses what type of joint?
saddle
ball and socket
hinge
pivot
gliding
Writing a letter uses all of the following types of joints EXCEPT
saddle
ball and socket
hinge
pivot
gliding
Can you label the following bones?
no, but I will before the test
yes, who doesn't?
