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36 Cards in this Set
- Front
- Back
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Which of the following cells characteristically contain the most lysosomes?
a.Fibrblasts b.Lymphocytes c.Macrophages d.Mast cells e.Reticulocytes f.Plasma cells g.Reticular cells |
c.Macrophages
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Which of the following are true for tropocollagen a.Includes registration peptide b.Includes signal sequence c.Is located in secretory vesicles of fibroblasts d.Is located in extracellular matrix |
d.Is located in extracellular matrix
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Are composed of amourphous parts of microfibrils
a.Collagen fibers b.Elastic fibers c.Reticular fibers d.None of the above |
b.Elastic fibers
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Their subunits are protofibrils
a.Collagen fibers b.Elastic fibers c.Reticular fibers d.None of the above |
a.Collagen fibers
c.Reticular fibers |
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Are capable of contraction
a.Collagen fibers b.Elastic fibers c.Reticular fibers d.None of the above |
d.None of the above
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Which of the following describes brown adipose tissue and are not shared with white or yellow adipose tissue?
a.Is widely distributed in dults b.Is highly vascular c.Contains large unilocular adipocytes d.Can generate heat e.Contains multiocular adipocytes f.Contains single large fat droplet in cytoplasm of each adipocytes g.Reticular cells and fibers make up the tissues stroma |
b.Is highly vascular d.Can generate heat e.Contains multiocular adipocytes |
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Which of the following areas in cartilage are collagen poor and sulfated glycosaminoglycan rich
a.Annulus fibrous b.Territorial matrix c.Epiphyseal plate d.Interteritorial matrix e.Perichondrium |
b.Territorial matrix
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Which of the following statements concerning osteocytes are false
a.Cause slight osteolysis b.Have many processes c.Nourished by capillaries in osseous canaliculi d.Joined to each other by gap junctions |
a.Cause slight osteolysis c.Nourished by capillaries in osseous canaliculi |
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Contains an abundance of hydroxyapatite
a.Hyaline cartilage b.Bone c.Neither |
b.Bone
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Contains a lot of hyaluronic acid
a.Hyaline cartilage b.Bone c.Neither |
a.Hyaline cartilage
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Contains great amounts of free cells
a.Hyaline cartilage b.Bone c.Neither |
c.Neither
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Which of the following are true of endosteum a.Is continuouse with joint cpsule
b.Is attached to the surface of bone by sharpey’s fiber c.Lines the marrow cavity d.Lines central channel of osteons e.Contains mature osteocytes f.Contains preosteoblasts |
c.Lines the marrow cavity
d.Lines central channel of osteons f.Contains preosteoblasts |
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Which of the following connective tissue components are parts of the extracellular matrix but not of its amorphous portion
a.Capillaries b.Collagen fibers c.Fibroblasts d.Fibronectin e.Glycosaminoglycans f.Hyaluronic acid g.Proteoglycans |
b.Collagen fibers
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Which of the following are true of elastic fibers a.Can be stretched up to 150% of their length and subsequently will spring back to the original size b.Are ensheathed by type 4 collagen fibers c.Are extremely soluble in aquouse solutions d.Are notably absent in cartilages of nose and ear e.Are markedly stained with standard H and E staining f.Are composed of amourphous portions and of microfibrils g.Are composed of amourphous components and protofibrils |
a.Can be stretched up to 150% of their length and subsequently will spring back to the original size
f.Are composed of amourphous portions and of microfibrils |
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Which of the following are true of dense regular connective tissue
a.Is composed primarily of fibroblasts b.Extracellular matrix prevails in this type of tissue c.Is the predominant tissue type in most organ capsules d.Contains more mast cells than any other type of connective tissue e.May be found in tendons f.Contains a great amount of collagen fibers |
e.May be found in tendons
f.Contains a great amount of collagen fibers |
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Is avascular
a)Dense connective tissue b)Reticular connective tissue c)Elastic connective tissue d)Mucous connective tissue e)Adipose tissue f)Cartilage g)Bone h)All of the above i)None of the above |
f)Cartilage
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Functions as calcium depot
a)Dense connective tissue b)Reticular connective tissue c)Elastic connective tissue d)Mucous connective tissue e)Adipose tissue f)Cartilage g)Bone h)All of the above i)None of the above |
g)Bone
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Contains a substantial portion of hyaluronic acid
a)Dense connective tissue b)Reticular connective tissue c)Elastic connective tissue d)Mucous connective tissue e)Adipose tissue f)Cartilage g)Bone h)All of the above i)None of the above |
d)Mucous connective tissue
f)Cartilage |
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Contains fibers of type 4 collagen
a)Hyaline cartilage b)Elastic cartilage c)Fibrocartilage d)None of the above |
d)None of the above
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Contains predominantly reticular fibers
a)Hyaline cartilage b)Elastic cartilage c)Fibrocartilage d)None of the above |
d)None of the above
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Contains abundant type 1 collagen
a)Hyaline cartilage b)Elastic cartilage c)Fibrocartilage d)None of the above |
c)Fibrocartilage
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Which of the following cell types produce(s) components of the extracellular matrix of connective tissue?
A-fibroblast B-lymphocyte C-macrophage D-adipocyte E-mast cell F-reticulocyte G-neutrophil H-plasma cell I-reticular cell |
A-fibroblast
I-reticular cell |
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Which of the following cell types is (are) capable of uncoupling oxidative phosphorylation and producing heat?
A-chondrocytes B-fibroblasts C-mast cells D-multilocular adipocytes E-osteoclasts F-unilocular adipocytes |
D-multilocular adipocytes
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includes registration peptides
A-tropocollagen B-procollagen C-neither |
B-procollagen
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directly secreted by fibroblasts
A-tropocollagen B-procollagen C-neither |
B-procollagen
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able to polymerize and form collagen protofibrils
A-tropocollagen B-procollagen C-neither |
A-tropocollagen
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Which is (are) true for elastic cartilage?
A-is the primary skeletal tissue in the fetus B-has no identifiable perichondrium C-is found in the annulus fibrosus of invertebral disks D-is the most widely distributed cartilage type in the body E-contains type II collagen in its matrix F-contains type I collagen in its matrix G-contains elastic fibers in its matrix |
E-contains type II collagen in its matrix
G-contains elastic fibers in its matrix |
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In which of the following ways does articular cartilage differ from most other hyaline cartilage in adults?
A-it contains isogenous groups of chondrocytes B-it lacks blood vessels C-it lacks perichondrium D-it lacks type II collagen E-it is supplied with nutrients from synovial fluid F-it contains proteoglycans aggregates in its ground substance G-it undergoes only interstitial growth |
C-it lacks perichondrium
E-it is supplied with nutrients from synovial fluid G-it undergoes only interstitial growth |
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Which of the following statements concerning osteoblasts is (are) true?
A-secrete type I collagen B-secrete type II collagen C-their nuclei contain great amount of heterochromatin D-their nuclei do not contain nucleoli E-contain a great amount of smooth endoplasmic reticulum |
A-secrete type I collagen
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The following statements concerning osteoclasts are true except
A-large acidophilic cells B-contain numerous mitochondria in cytoplasm C-are members of mononuclear phagocyte system D-are located in Howship’s lacunae E-pruduce extracellular matrix |
E-pruduce extracellular matrix
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Which of the following is the predominant protein in the fibers of bone matrix?
A-type I collagen B-type II collagen C-type III collagen D-type IV collagen E-type V collagen F-type VII collagen |
A-type I collagen
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Which of the following is (are) true of haversian canals but false regarding Volkman’s canals?
A-are surrounded by connective bony lamellae B-carry nerve fibers C-carry blood vessels D-are found in compact bone E-may be found in the diaphysis of adult long bones F-are lined by endosteum G-are lined by periosteum |
A-are surrounded by connective bony lamellae
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Which of the following is (are) true of compact bone?
A-is the predominant bone tissue in the epiphysis of the adult long bones B-can be either primary or secondary bone C-forms as the first during the bone healing D-is also called cancellous bone E-is characterized by presence of osteons F-is typically more radiolucent than other types of bone G-is a lamellar bone |
E-is characterized by presence of osteons
G-is a lamellar bone |
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growth of long bone in width
A-intramembranous ossification B-endochondral ossification C-neither |
A-intramembranous ossification
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cartilage directly changes into bone
A-intramembranous ossification B-endochondral ossification C-neither |
B-endochondral ossification
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in the course if this process, osteoid synthesized by osteoblasts
A-intramembranous ossification B-endochondral ossification C-neither |
A-intramembranous ossification
B-endochondral ossification |
