WorksheetsSkeletal System
Total questions: 74
Worksheet time: 34mins
Which of the following is a function of the bone?
internal support and protection
provide attachment for muscles
calcium and phosphate storage
red blood cell formation
Chondrocytes are mature cartilage cells found within in the _______ and they are derived from ________
perichondrium, fibroblasts
perichondrium, chondroblasts
lacunae, fibroblasts
lacunae, chondroblasts
Which of the following substances make up the major portion of bone?
collagen
hydroxyapatite
osteocytes
osteoblasts
The flexibility of bone is due to
osteoclasts
ligaments
calcium salts
collagen fibers
Which of the following connective tissue membranes cover the surface of mature bones?
periosteum
perichondrium
hyaline cartilage
fibroblasts
A fracture in the shaft of a bone would be a break in the
epiphysis
perichondrium
diaphysis
articular cartilage
The portion of the long bone that stores yellow marrow in adults is the
medullary cavity
spongy bone
compact bone
epiphysis
What type of lamellae is found in osteons?
circumferential lamellae
concentric lamellae
insterstitial lamellae
cuboidal lamellae
Intramembranous bone fromation
occurs in the epiphyseal plate
gives rise to the flat bones of the skull
is responsible for bone growth in diameter
occurs within the hyaline cartilage model
The ossification regions formed during embryonic development are
secondary ossification centers
primary ossification centers
cartilage at the ends of bones
medullary cavities
Growth in the length of bone occurs
at primary ossification center
beneath the periosteum
at the diaphysis
at the epiphyseal plate
The prime function of OSTEOCLASTS is to
prevent osteoblats from forming
breakdown bone
secrete calcium salts and collagen fibers
form compact bone
Destruction and remolding of bone may occur
as bones change shape during growth
as bones are subjected to varying patterns of stress
during and following the healing of fractures
when a bone is no longer growing
In the healing of bone fractures
a blood clot forms around the break
a callus is formed
both intramembranous and endochondral ossification are involved
the callus may eventually disappear
The average human body has how many bones?
205
206
209
210
What part of bones produce blood cells?
Compact Bone
Red Bone Marrow
Yellow Bone Marrow
Epiphysis
The ends of a long bone are called the
diaphysis
epiphyses
metaphyses
endosteum
Which of the following is NOT an example of a long bone?
humerus
tibia
radius
talus
Bone matrix forming cells:
osteocytes
osteoblasts
osteoclasts
osteogenic cells
Bone matrix destroying cells:
osteocytes
osteoblasts
osteogenic cells
osteoclasts
Bone tissue composed of small needle-like pieces of bone with open spaces:
lacunae
compact bone
canaliculi
spongy bone
The bones of the skeletal system can be subdivided into two large groups, the _________
skeleton, and the _________ skeleton.
pelvic / appendicular
axial/ appendicular
axial/ pectoral
pectoral / pelvic
The proximal and distal ends of a long bone are called the:
The patella is an example of a(n) ___ bone.
This cell secretes osteoid, the organic component of the bone matrix.
The lacunae of osseous tissue contain:
chondroblasts
osteoclasts
The lining of the medullary cavity is called the
Primary ossification centers develop in long bones in the
_______________________ cells.
Which cells dissolve and reabsorb calcium salts?
osteoclast
osteoblast
lymphocytes
bone marrow
Spongy bone is also called what?
cancellous bone
osteoblast
osteoclast
compact bone
Blood cells are formed in...
red marrow
blood vessels
osteon systems
osteocytes
What do the bones create?
white blood cells
platlets
red blood cells
protein
Activates osteoclasts to break down bone matrix so calcium is released into the blood:
human growth hormone (hGH)
calcitonin
parathyroid hormone (PTH)
insulin
Process of bone formation before birth and during childhood:
ossification
hematopoiesis
osteoporosis
atrophy
Mature bone cells that maintain bone matrix:
osteoblasts
osteomasts
osteocytes
osteoclasts
Blood cell formation:
ossification
hemostasis
hematopoiesis
hemophilia
The remnant of the growth plate found in adult bones:
epiphyseal plate
diaphysis
epiphyseal line
endosteum
The long shaft of a bone:
epiphyses
diaphysis
periosteum
endosteum
Bone formation is called ossification.
True
False
Bone continuously replaces itself throughout adult life.
True
False
The tough, fibrous membrane around the surface of a bone is called ____.
endosteum
articular cartilage
periosteum
perichondrium
Trabeculae are found in ____ bone.
compact
spongy
cortical
medullary
The formation of bone within fibrous connective tissue membranes is referred to as _____ ossification.
endochondral
intramembranous
fibrous
sesamoid
The type of ossification that has 2 ossification centers (primary and secondary)
intramembranous
endochondral
appositional
deterministic
The type of ossification that features cartilage growth plates.
intramembranous
endochondral
appositional
deterministic
The type of ossification that produces flat bones.
intramembranous
endochondral
appositional
deterministic
The type of ossification that produces most of your bones -but not flat bones.
intramembranous
endochondral
appositional
deterministic
Inhibits osteoclasts to allow bone matrix growth and deposits calcium in the bones:
human growth hormone (hGH)
calcitonin
parathyroid hormone (PTH)
insulin
Concentric layers of bone matrix
lamellae
lacunae
canaliculi
central canals
Small holes in bone matrix that contain osteocytes
lamellae
lacunae
canaliculi
central canals
Small tunnels in bone matrix that connect osteocytes for nutrient transport.
lamellae
lacunae
canaliculi
central canals
The basic units of compact bone
trabeculae
osteons
osteoids
canaliculi
What’s the two main sections of the skeleton?
Axial
Appendicular
Axial and appendicular
Irregular and flat
Collagen and calcium hydroxyapatite are the primary constituents of:
bone matrix.
blood
fibrous cartilage
hyaline cartilage
ligaments
Osteogenesis imperfecta can be caused by abnormally formed
hydroxyapatite
proteoglycans
collagen
osteoblasts
calcium
Brittle bone disorder is another name for:
scurvy
osteomyelitis
osteoporosis
osteomalacia
osteogenesis imperfecta
This is an image of a patient present with osteoarthritis.
True
False
____________ is defined as bone formation in nonosseous tissues (usually muscles and other soft tissue areas).
Legg–Calvé–Perthes Disease
Chondrolysis
Heterotopic ossification (HO)
Osteoarthritis
A disease caused by calcium and vitamin D deficiency.
Rickets
Osteoporosis
Kyphosis
Scoliosis
Fragile, porous bones caused by higher osteoclast activity, most common in older females.
osteoporosis
kyphosis
lordosis
Rickets
Most common type of arthritis; caused by wear and tear
osteoarthritis
rheumatoid arthritis
gout
bursitis
Arthritis caused by an autoimmune disorder.
osteoarthritis
rheumatoid arthritis
gout
bursitis
