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