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CT MSK > Connective Tissue (Fibrous) > Flashcards

Connective Tissue (Fibrous) Flashcards

1
Q

Connective tissue is classified into major groups Embryonic CT and Adult CT. Embryonic CT contains pluripotent stem cells while adult CT is further broken up into what 2 subdivisions?

Include the components of the subdivisions of Adult CT.

A

Fibrous CT

  • Loose Areolar CT
  • Dense Regular CT
  • Dense Irregular CT

Special CT

  • Adipose
  • Bone
  • Cartilage
  • Hematopoietic
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2
Q

All of the following are functions of CT, which of them is specific to adipose tissue?

A. Protection

B. Transport

C. Energy Storage

D. Defense

A

Energy Storage

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3
Q

Produce collagens, proteoglycans, and glycoproteins.

A. Fibroblasts

B. Mesenchymal cells

B. Adipocytes

D. Chondrocytes

A

Fibroblasts

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4
Q

Store and release fat cells

A. Fibroblasts

B. Mesenchymal cells

B. Adipocytes

D. Chondrocytes

A

Adipocytes

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5
Q

Produce and maintain cartilage components

A. Fibroblasts

B. Mesenchymal cells

B. Adipocytes

D. Chondrocytes

A

Chondrocytes

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6
Q

Which of the following types of fibrous components is known for resisting tension?

A. Elastin fibers

B. Reticular fibers

C. Collagens

A

Collagens

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7
Q

Which of the following forms a supportive meshwork?

A. Elastin fibers

B. Reticular fibers

C. Collagens

A

Reticular fibers

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8
Q

Elastin is a stretchable fiber that is an assembly of what 4 components?

A

Tropoelastin

Fibulin-1

Fibrilins 1

Fibrilins 2

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9
Q

Which type of collagen is the most common and increases tensile strength of CT by being aligned and cross-linked?

A. Type I

B. Type II

C. Type III

D. Type IV

A

Type I

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10
Q

Which of the following is the characterized of abnormal collagen synthesis leading to weak collagen fibers?

A. Scurvy

B. Ehlers-Danlos Syndrome

C. Marfans syndrome

A

Ehlers-Danlos Syndrome

NOTE:

Scurvy: Vitamin C deficiency –> cofactor needed for crosslinking collagen

Marfan’s Syndrome: Mutatioon in fibrilin-i gene of elastic fibers causing elastin to be weak

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11
Q

What are the 3 basic fibers found in the extracellular matric of fibrous CT?

A

Reticular

Elastin

Collagen

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12
Q

What are ground substances, and what role do they serve?

A

Ground substances: Proteoglycans, Hyaluronan, Glycoproteins, Extracell proenzymes

Combine to form an amorphous framwork structure that allows for shock absorption

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13
Q

Where can embryonic CT be found? What’s another name for this embryonic CT?

A

Umbilical cord

Wharton’s Jelly

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14
Q

What is the function of adult mesenchymal stem cells?

A

Self renewing, multipotent stem cells that produce differentiating cells specific for a tissue

Include: Fibroblasts, Muscle cells, osteoblasts, chondroblasts, adipocytes

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15
Q

Low density tissue with both fixed and wandering cells

A. Adipose

B. Areolar

C. Reticular

D. Dense irregular

E. Dense Regular

A

Areolar

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16
Q

Dense regular tissue would most likely be found in which of the following places?

A. Blood vessels

B. Dermis of the skin

C. Tendons

D. All of the above

A

Tendons

17
Q

Dense irregular tissue would most likely be found in which of the following places?

A. Blood vessels

B. Dermis of the skin

C. Tendons

D. All of the above

A

Dermis of the skin

18
Q

All of the following are fixed cells found in loose areolar tissue, EXCEPT which of the following that is a wandering cell?

A. Fibroblast

B. Adipocytes

C. Mesenchymal cells

D. Mast Cells

A

Mast Cells

19
Q

Identify the tissue type

A. Dense Irregular Ct

B. Dense Regular Ct

C. Loose areolar CT

D. Elastic CT

A

Loose areolar CT

20
Q

Label each of the histograms, then eetermine which of the following pictures represent the characterization below.

Fxn in energy storage, insulation, hormone secretion

Thermogenic, abundant in newborns

A

LEFT-White Fat: Fxn in energy storage, insulation, hormone secretion

RIGHT-Brown Fat: Thermogenic, abundant in newborns

21
Q

Which of the following correctly describes the tissue in the histogram? Name the tissue

A. Found in the liver, bone marrow, lymph nodes and spleen; houses free cells like blood cells and immune cells

B. Fibroblasts are principle cell type; found in dermis, capsules around internal organs, fascia, periosteum, perichondrium

C. Fibroblast are principle cell type; poorly vascularized; found in ligaments, aponeuroses, dense fascia, joint capsules

D. Allows for recoil of tissue; found in blood vessel walls, bronchiole tubes, and special ligaments like ligamentum nuchea

A

Reticular CT

Found in the liver, bone marrow, lymph nodes and spleen; houses free cells like blood cells and immune cells

22
Q

Which of the following correctly describes the tissue in the histogram? Name the tissue

A. Found in the liver, bone marrow, lymph nodes and spleen; houses free cells like blood cells and immune cells

B. Fibroblasts are principle cell type; found in dermis, capsules around internal organs, fascia, periosteum, perichondrium

C. Fibroblast are principle cell type; poorly vascularized; found in ligaments, aponeuroses, dense fascia, joint capsules

D. Allows for recoil of tissue; found in blood vessel walls, bronchiole tubes, and special ligaments like ligamentum nuchea

A

Dense Irregular CT

Fibroblasts are principle cell type; found in dermis, capsules around internal organs, fascia, periosteum, perichondrium

23
Q

Which of the following correctly describes the tissue in the histogram? Name the tissue

A. Found in the liver, bone marrow, lymph nodes and spleen; houses free cells like blood cells and immune cells

B. Fibroblasts are principle cell type; found in dermis, capsules around internal organs, fascia, periosteum, perichondrium

C. Fibroblast are principle cell type; poorly vascularized; found in ligaments, aponeuroses, dense fascia, joint capsules

D. Allows for recoil of tissue; found in blood vessel walls, bronchiole tubes, and special ligaments like ligamentum nuchea

A

Dense Regular CT

Fibroblast are principle cell type; poorly vascularized; found in ligaments, aponeuroses, dense fascia, joint capsules

24
Q

Which of the following correctly describes the tissue in the histogram? Name the tissue

A. Found in the liver, bone marrow, lymph nodes and spleen; houses free cells like blood cells and immune cells

B. Fibroblasts are principle cell type; found in dermis, capsules around internal organs, fascia, periosteum, perichondrium

C. Fibroblast are principle cell type; poorly vascularized; found in ligaments, aponeuroses, dense fascia, joint capsules

D. Allows for recoil of tissue; found in blood vessel walls, bronchiole tubes, and special ligaments like ligamentum nuchea

A

Elastic CT

Allows for recoil of tissue; found in blood vessel walls, bronchiole tubes, and special ligaments like ligamentum nuchea

25
Q

A. Fibroblast

B. Adipocyte

C. Macrophage

D. Mast Cells

E. Plasma Cells

A

Fibroblast

26
Q

A. Fibroblast

B. Adipocyte

C. Macrophage

D. Mast Cells

E. Plasma Cells

A

Adipocyte

27
Q

A. Fibroblast

B. Adipocyte

C. Macrophage

D. Mast Cells

E. Plasma Cells

A

Macrophage

28
Q

A. Fibroblast

B. Adipocyte

C. Macrophage

D. Mast Cells

E. Plasma Cells

A

Mast Cells

29
Q

A. Fibroblast

B. Adipocyte

C. Macrophage

D. Mast Cells

E. Plasma Cells

A

Plasma Cells

CT MSK (20 decks)

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