Frage 1
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[blank_start]Endosteum[blank_end]: the thin membrane that lines the medullary cavity
[blank_start]Sternum[blank_end]: an example of a flat bone
[blank_start]Diaphysis[blank_end]: the shaft of a long bone
[blank_start]Articular cartilage[blank_end]: the thin layer that cushions jolts and blows
[blank_start]Patella[blank_end]: an example of a sesamoid bone
[blank_start]Periosteum[blank_end]: an attachment for muscle fibers
[blank_start]Carpa[blank_end]l: an example of a short bone
[blank_start]Epiphysis[blank_end]: the end of a long bone
[blank_start]Medullary cavity[blank_end]: the tubelike, hollow space in the diaphysis of long bones
[blank_start]Vertebra[blank_end]: an example of an irregular bone
Antworten
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Endosteum
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Sternum
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Diaphysis
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Articular cartilage
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Patella
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Periosteum
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Carpa
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Epiphysis
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Medullary cavity
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Vertebra
Frage 2
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Which of the following is not a component of bone matrix?
Frage 3
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Small spaces in which bone cells lie are called
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lamallae
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lacunae
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canaliculi
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interstitial lamellae
Frage 4
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The basic structural unit of compact bone is
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trabeculae
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cancellous bone
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osteon
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none of the above
Frage 5
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The cells that produce the organic matrix in bone are
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chondrocytes
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osteoblasts
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osteocytes
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osteoclasts
Frage 6
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The bones in an adult that contain red marrow include all of the following except
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ribs
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tarsals
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pelvis
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femur
Frage 7
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Low blood calcium evokes a response from:
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calcitonin
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the thyroid
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parathyroid hormone
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none of the above
Frage 8
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Haversian canals run lengthwise, whereas Vokmann's canals run transverse to the bone.
Frage 9
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Giant, multinucleate cells that are responsible for bone resorption are called osteocytes.
Frage 10
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Bone marrow is found not only in the medullary cavities of certain long bones but also in the spaces of cancellous bone.
Frage 11
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Calcitonin functions to stimulate osteoblasts and inhibit osteoclasts.
Frage 12
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Hematopoiesis is a term referring to the formation of new Haversian systems.
Frage 13
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Yellow marrow is found in almost all of the bones of an infant's body.
Frage 14
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The primary ossification center is located at the
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epiphysis
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diaphysis
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articular cartilage
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none of the above
Frage 15
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The primary purpose of the epiphyseal plate is
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mending fractures
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enlarging the epiphysis
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providing bone strength
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lengthening long bones
Frage 16
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The epiphyseal plate is composed mostly of
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chondrocytes
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osteocytes
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osteoclasts
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none of the above
Frage 17
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Bone loss normally begins to exceed bone gain between the ages of
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30 and 35 years
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35 and 40 years
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55 and 60 years
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65 and 70 years
Frage 18
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The first step to healing a bone fracture is
Frage 19
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The addition of bone to its outer surface resulting in growth in diameter is called appositional growth
Frage 20
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Most bones of the body are formed by intramembranous ossification
Frage 21
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Once an individual reaches skeletal maturity, the bones undergo years of metabolic rest
Frage 22
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Lack of exercise tends to weaken bones through decreased collagen formation and excessive calcium withdrawal.
Frage 23
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When bones reach their full length, the epiphyseal plate disappears.
Frage 24
Frage
The fibrous covering of cartilage is
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periosteum
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perichondrium
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chondroclast
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none of the above
Frage 25
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The external ear, epiglottis and the auditory tube are composed of
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hyaline cartilage
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fibrocartilage
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elastic cartilage
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none of the above
Frage 26
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Vitamin D deficiency can result in
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scurvy
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rickets
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osteochondroma
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none of the above
Frage 27
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Both bone and cartilage are well vascularized.
Frage 28
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The intervertebral discs are composed of fibrocartilage
Frage 29
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The growth of cartilage occurs by both appositional and interstitial growth
Frage 30
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Functions of bones include: [blank_start]hematopoiesis[blank_end], [blank_start]mineral[blank_end] [blank_start]storage[blank_end], [blank_start]movement[blank_end], [blank_start]protection[blank_end] and [blank_start]support[blank_end].
Antworten
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hematopoiesis
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mineral
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storage
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movement
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protection
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support
Frage 31
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The [blank_start]medullary[blank_end] [blank_start]cavity[blank_end] is the hollow area inside the diaphysis of a bone.
Frage 32
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A thin layer of cartilage covering each epiphysis is the [blank_start]articular[blank_end] [blank_start]cartilage[blank_end].
Frage 33
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The [blank_start]endosteum[blank_end] lines the medullary cavity of long bones.
Frage 34
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[blank_start]Hematopoiesis[blank_end] is used to describe the process of blood cell formation.
Frage 35
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Blood cell formation is a vital process carried on in [blank_start]red[blank_end] [blank_start]bone[blank_end] [blank_start]marrow[blank_end].
Frage 36
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The [blank_start]periosteum[blank_end] is a strong fibrous membrane that covers a long bone except at join surfaces.
Frage 37
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Bones may be classified by hsape. Those shapes include: [blank_start]flat[blank_end], [blank_start]irregular[blank_end], [blank_start]long[blank_end], [blank_start]sesamoid[blank_end] and [blank_start]short[blank_end].
Antworten
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flat
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irregular
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long
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sesamoid
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short
Frage 38
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Bones serve as the major reservoir for [blank_start]calcium[blank_end], a vital substance required for normal nerve and muscle functions.
Frage 39
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[blank_start]Hyaline[blank_end] is the most abundant type of cartilage.
Frage 40
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trabeculae: [blank_start]criss-cross bony branches of spongy bone[blank_end]
compact: [blank_start]dense bone tissue[blank_end]
spongy: [blank_start]ends of long bones[blank_end]
periosteum: [blank_start]outer convering of bone[blank_end]
cartilage: [blank_start]fibers embedded in a firm gel[blank_end]
osteocytes: [blank_start]mature bone cells[blank_end]
canaliculi: [blank_start]connect lacunae[blank_end]
lamellae: [blank_start]ring of bone[blank_end]
chondrocytes: [blank_start]cartilage cells[blank_end]
Haversian system: [blank_start]structural unit of compact bone[blank_end]
Antworten
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criss-cross bony branches of spongy bone
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dense bone tissue
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ends of long bones
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outer convering of bone
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fibers embedded in a firm gel
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mature bone cells
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connect lacunae
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ring of bone
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cartilage cells
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structural unit of compact bone