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AP06 Skeletal System Histology

Total questions: 100

Worksheet time: 44mins

Name
Class
Date
1.

Identify the spaces marked C

a)

central Haversian canal

b)

perforating Volkmann's canal

c)

medullary cavity

d)

lacuna

e)

canaliculi

2.

Identify the space marked B that contains the cell marked A.

a)

central Haversian canal

b)

perforating Volkmann's canal

c)

medullary cavity

d)

lacuna

e)

canaliculi

3.

Identify the cell marked A.

a)

osteogenic (osteoprogenitor) cell

b)

osteoblast

c)

osteocyte

d)

osteoclast

4.

Identify the specific structures indicated by the black rectangle

a)

osteons

b)

perforating Volkmann's canals

c)

concentric lamellae

d)

trabeculae of spongy bone tissue

e)

medullary cavity

5.

Identify the structures circled in red.

a)

osteons

b)

medullary cavity

c)

central Haversian canal

d)

perforating Volkmann's canal

e)

osteocytes in lacunae

6.

Identify the structures circled in yellow.

a)

osteons

b)

medullary cavity

c)

central Haversian canal

d)

perforating Volkmann's canal

e)

osteocyte in lacuna

7.

Identify the structure circled in red.

a)

osteon

b)

Haversian system

c)

central Haversian canal

d)

perforating Volkmann's canal

e)

osteocyte in lacuna

8.

Identify the structures at the red arrows.

a)

lacunae

b)

osteons

c)

interstitial lamellae

d)

central Haversian canals

e)

canaliculi

9.

What type of tissue is this?

a)

hyaline cartilage

b)

blood

c)

compact bone

d)

spongy bone

10.

Cells that dissolve the bony matrix.

a)

Osteoclasts

b)

Osteoblasts

c)

Canaliculi

d)

Lamellae

11.

Cells that can build bony matrix.

a)

Osteoblasts

b)

Osteoclasts

c)

Canaliculi

d)

Lamellae

12.

Cross section of trachea.

Bone or Cartilage?

a)

bone

b)

cartilage

13.

What kind of cartilage is shown in this cross section of the trachea?

a)

hyaline cartilage

b)

fibrous cartilage

c)

elastic cartilage

14.

Trachea cross-section, trichrome stain showing hyaline cartilage. What is the marked in green structure?

(a)  

15.

Trachea cross-section, trichrome stain showing hyaline cartilage. What is the marked in green structure?

(a)  

16.

Trachea cross-section, trichrome stain showing hyaline cartilage. What is the marked in green structure?

(a)  

17.

Trachea cross-section, H&E stain showing hyaline cartilage. What is the marked in green structure?

(a)  

18.

Trachea cross-section, H&E stain showing hyaline cartilage. What is the marked in green structure?

(a)  

19.

Trachea cross-section, H&E stain showing hyaline cartilage. What is the marked in green structure?

(a)  

20.

What is the structure marked in green?

(a)  

21.

What is the structure marked in green?

(a)  

22.

What is the structure marked in green?

(a)  

23.

What is the structure marked in green?

a)

perichondrium

b)

chondroblast

c)

chondrocyte

d)

periosteum

e)

extracellular matrix (ECM)

24.

What is the structure marked in green?

a)

extracellular matrix (ECM)

b)

chondrocyte

c)

chondroblast

d)

perichondrium

e)

periosteum

25.

What is the structure marked in green?

a)

extracellular matrix (ECM)

b)

chondrocyte

c)

chondroblast

d)

perichondrium

e)

periosteum

26.

What is the structure marked in green?

a)

extracellular matrix (ECM)

b)

chondrocyte

c)

chondroblast

d)

perichondrium

e)

periosteum

27.



(a)  

28.



(a)  

29.

What is the space in the dark spot called? (marked in red)

(a)  

30.

What cell would be found here? (marked in red)

(a)  

31.



(a)  

32.

Name the structure marked in red. (singular)

(a)  

33.



(a)  

34.



(a)  

35.

Name of the spaces marked in red.

(a)  

36.

Name of the cell found in the structures marked in red.

(a)  

37.

Name of the cell structure found in the faint lines marked in red.

(a)  

38.

Name of the spaces found in the faint lines marked in red.

(a)  

39.



(a)  

40.



(a)  

41.



(a)  

42.



(a)  

43.



(a)  

44.



(a)  

45.



(a)  

46.



(a)  

47.



(a)  

48.

Name the membrane that is found at the marked in red location?

(a)  

49.

Name the membrane that is found at the marked in red location?

(a)  

50.



(a)  

51.



(a)  

52.



(a)  

53.

Name the circled cell.

(a)  

54.



(a)  

55.



(a)  

56.



(a)  

57.



(a)  

58.



(a)  

59.

Space marked by the green line.

(a)  

60.

Space marked by the green line.

(a)  

61.

Space marked by the green line.

a)

resorption bay

b)

osteoclast

c)

osteocyte

d)

lacuna

e)

canaliculi

62.
a)

resorption bay

b)

osteoclast

c)

osteocyte

d)

lacuna

e)

osteoblast

63.
a)

resorption bay

b)

osteoclast

c)

osteocyte

d)

lacuna

e)

osteoblast

64.

What is taking place in this picture?

a)

bone resorption

b)

bone building

65.

When osteoclasts dissolve the ECM of the bone it is called.

a)

bone resorption

b)

bone building

66.

What kind of cartilage is found in joints?

a)

hyaline cartilage

b)

fibrous cartilage

c)

elastic cartilage

67.

Articular cartilage is

a)

hyaline cartilage

b)

fibrous cartilage

c)

elastic cartilage

68.

The surface layer of cartilage in a joint is what structure?

a)

perichondrium

b)

chondroblasts

c)

chondrocytes

d)

chondroclasts

e)

endochondrium

69.

Progenitor cells in the perichondrium can differentiate into

a)

perichondrium

b)

chondroblasts

c)

chondrocytes

d)

chondroclasts

e)

endochondrium

70.

immature cartilage cells

a)

perichondrium

b)

chondroblasts

c)

chondrocytes

d)

chondroclasts

e)

endochondrium

71.

mature cartilage cells

a)

perichondrium

b)

chondroblasts

c)

chondrocytes

d)

chondroclasts

e)

endochondrium

72.

Chondroblasts become

a)

perichondrium

b)

chondroblasts

c)

chondrocytes

d)

chondroclasts

e)

endochondrium

73.

Structure(s) that produce(s) the matrix (ECM) of the cartilage

a)

perichondrium

b)

chondroblasts

c)

chondroclasts

d)

endochondrium

74.

Which cartilage cell is completely surrounded by the matrix (ECM)?

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

75.

Compact bone consists of parallel columns called

(a)  

76.

Progenitor cells in the periosteum and endosteum produce

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

77.

Ground bone slides show

a)

only the mineral portion of the bone

b)

only the organic portion of the bone

c)

both the mineral portion and the organic portion of the bone

78.

Decalcified bone slides show

a)

only the mineral portion of the bone

b)

only the organic portion of the bone

c)

both the mineral portion and the organic portion of the bone

79.

Osteons are made up of concentric rings of bone called

a)

lamellae

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian rings

80.

Tiny extensions of the the cell membrane that allow bone cells to receive nutrition and dispose of waste.

a)

lamellae

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian rings

81.

Tiny canals in the bony matrix that allow bone cells to receive nutrition and dispose of waste.

a)

lamellae

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian rings

82.

Space in the bony matrix where a bone cell resides.

a)

lamellae

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian rings

83.

"Little Lakes"

a)

lamellae

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian rings

84.

"Little Canals"

a)

lamellae

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian rings

85.

"thread feet"

a)

lamellae

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian rings

86.

contain blood vessels and nerves to supply bone cells

a)

perforating canals (Volkmann's canals)

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian canals

87.

Runs through the centers of osteons

a)

perforating canals (Volkmann's canals)

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian canals

88.

Contain blood vessels and nerves which directly and indirectly supply osteocytes in an osteon

a)

perforating canals (Volkmann's canals)

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian canals

89.

Carries blood vessels and nerves from the periosteum to to each parallel column

a)

perforating canals (Volkmann's canals)

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian canals

90.

Osteocytes receive their nutrition from blood vessels in the

a)

perforating canals (Volkmann's canals)

b)

canaliculi

c)

lacunae

d)

filopodia

e)

haversian canals

91.

Once a bone cell is completely surrounded by matrix (ECM) they are called

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

92.

Bone cells that secrete acid, collagenase (enzyme), and lysosomal hydrogenases (enzymes) are called

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

93.

"immature" bone cells

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

94.

"mature" bone cells

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

95.

multinucleated bone cell

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

96.

"bone breaking" bone cell

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

97.

resorb bone tissue by secreting organic acids and enzymes

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

98.

The space left behind by removed bone after resorption.

a)

perforating canal

b)

canaliculus

c)

haversian canal

d)

filopodium

e)

Howship's lacuna

99.

After resorption, the bone is rebuilt by

a)

osteoblasts

b)

chondroblasts

c)

osteoclasts

d)

osteocytes

e)

chondrocytes

100.

What cellular structure can be found in the space marked C?

a)

lymph vessels

b)

nerves

c)

blood vessels

d)

nucleus

e)

filopodia

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