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Bone Basics – Study Guide (Worksheet Questions)

Total questions: 149

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Bone Basics: What two types of tissue make up your skeleton?

a)

Muscle and tendon

b)

Cartilage and bone

c)

Ligament and muscle

d)

Nerve and epithelium

2.

Bone Basics: What type of tissue is your skeleton made of before it is bone?

a)

Cartilage

b)

Ligament

c)

Dense muscle

d)

Epithelial tissue

3.

Bone Basics: Bones are living.

a)

True

b)

False

4.

Bone Basics: Bones are made of cells.

a)

True

b)

False

5.

Bone Basics: How many bones are in the adult human skeleton?

(a)  

6.

Bone Basics: Which of the major four types of tissue includes bone?

a)

Epithelial tissue

b)

Muscle tissue

c)

Connective tissue

d)

Nervous tissue

7.

Bone Basics: Does bone have a matrix? If it does, what is this matrix called?

a)

No, bone does not have a matrix

b)

Yes, osteoid

c)

Yes, myofibril

d)

Yes, chondrin

8.

Bone Basics: Which of the following is a picture of bone tissue under a microscope? Choose the correct image label.

a)

A

A

b)

B

B

c)

C

C

d)

D

D

9.

Bone Basics: Which of the following are functions of bone tissue? Select all that apply.

a)

Support for the body’s framework

b)

Protection of vital organs

c)

Anchorage for muscle attachment and movement

d)

Blood cell formation in red marrow

e)

Secretion of digestive enzymes into the stomach

10.

Bone Basics: Which organ–bone pair shows an organ best protected by bone? Select all that apply.

a)

Brain — skull

b)

Spinal cord — vertebrae

c)

Heart and lungs — rib cage

d)

Internal reproductive organs — pelvis

e)

Kidneys — humerus

11.

Bone Basics: Which other type of tissue do bones work together with to cause movements in the body?

a)

Smooth muscle tissue

b)

Cardiac muscle tissue

c)

Skeletal muscle tissue

d)

Epithelial tissue

12.

Bone Basics: What do we call bones of the skeleton that fall on the midline (sagittal plane)?

a)

Appendicular skeleton

b)

Axial skeleton

c)

Peripheral skeleton

d)

Medial girdle

13.

Bone Basics: What do we call bones of the skeleton that are not on the midline?

a)

Axial skeleton

b)

Appendicular skeleton

c)

Cranial skeleton

d)

Central skeleton

14.

Axial vs. Appendicular Skeleton: Limbs — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

15.

Axial vs. Appendicular Skeleton: Humerus (upper arm bone) — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

16.

Axial vs. Appendicular Skeleton: Bones that attach limbs to the trunk — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

17.

Axial vs. Appendicular Skeleton: Mandible (lower jawbone) — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

18.

Axial vs. Appendicular Skeleton: Ribs — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

19.

Axial vs. Appendicular Skeleton: Scapula (shoulder blade) — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

20.

Axial vs. Appendicular Skeleton: Vertebral column (backbone) — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

21.

Axial vs. Appendicular Skeleton: Pelvis (hip bones) — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

22.

Axial vs. Appendicular Skeleton: Phalanges (fingers or toes) — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

23.

Axial vs. Appendicular Skeleton: Tibia (shin bone) — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

24.

Axial vs. Appendicular Skeleton: Clavicle (collar bone) — does this statement describe the axial skeleton or the appendicular skeleton?

a)

Axial

b)

Appendicular

25.

Bone Types: Which type of bone does each bone or statement fit? Carpals (wrist bones)

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

26.

Bone Types: Which type of bone does each bone or statement fit? Femur (thigh bone)

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

27.

Bone Types: Which type of bone does each bone or statement fit? Vertebrae (backbones)

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

28.

Bone Types: Which type of bone does each bone or statement fit? Patella (kneecap)

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

29.

Bone Types: Which type of bone does each bone or statement fit? Sternum (breastbone)

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

30.

Bone Types: Which type of bone does each bone or statement fit? Bones that form within a tendon

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

31.

Bone Types: Which type of bone does each bone or statement fit? Phalanges (finger bones)

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

32.

Bone Types: Which type of bone does each bone or statement fit? Tarsals (ankle bones)

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

33.

Bone Types: Which type of bone does each bone or statement fit? Ribs

a)

Short

b)

Long

c)

Flat

d)

Irregular

e)

Sesamoid

34.

The Clavicle is (a)

a)

Long bone

b)

Not a long bone

35.

The Scapula is (a)

a)

Long bone

b)

Not a long bone

36.

The Frontal bone is (a)

a)

Long bone

b)

Not a long bone

37.

The Ulna is (a)

a)

Long bone

b)

Not a long bone

38.

The Pelvis is (a)

a)

Long bone

b)

Not a long bone

39.

The Tibia is (a)

a)

Long bone

b)

Not a long bone

40.

The Patella is (a)

a)

Long bone

b)

Not a long bone

41.

The Hyoid bone is (a)

a)

Long bone

b)

Not a long bone

42.

The Femur is (a)

a)

Long bone

b)

Not a long bone

43.

The Humerus is (a)

a)

Long bone

b)

Not a long bone

44.

The Ribs are (a)

a)

Long bone

b)

Not a long bone

45.

The Sternum is (a)

a)

Long bone

b)

Not a long bone

46.

The Mandible is (a)

a)

Long bone

b)

Not a long bone

47.

The Fibula is (a)

a)

Long bone

b)

Not a long bone

48.

The Radius is (a)

a)

Long bone

b)

Not a long bone

49.

The Carpals are (a)

a)

Long bone

b)

Not a long bone

50.

The Phalanges are (a)

a)

Long bone

b)

Not a long bone

51.

The Cervical vertebrae are (a)

a)

Long bone

b)

Not a long bone

52.

The Tarsals are (a)

a)

Long bone

b)

Not a long bone

53.

The Metacarpals are (a)

a)

Long bone

b)

Not a long bone

54.

The Nasal bone is (a)

a)

Long bone

b)

Not a long bone

55.

The Metatarsals are (a)

a)

Long bone

b)

Not a long bone

56.

Identify the region at the end of a long bone that articulates with another bone.

a)

Proximal epiphysis

b)

Diaphysis

c)

Medullary cavity

d)

Periosteum

e)

Endosteum

57.

What is the shaft of a long bone called?

a)

Proximal epiphysis

b)

Distal epiphysis

c)

Diaphysis

d)

Spongy bone

e)

Epiphyseal plate

58.

Which tissue lines the internal surface of the medullary cavity?

a)

Periosteum

b)

Endosteum

c)

Compact bone

d)

Articular cartilage

e)

Epiphyseal plate

59.

Which substance fills the central cavity of the diaphysis in an adult long bone?

a)

Red marrow

b)

Yellow marrow

c)

Spongy bone

d)

Compact bone

e)

Blood vessel

60.

What type of bone tissue makes up the outer layer of the diaphysis?

a)

Compact bone

b)

Spongy bone

c)

Articular cartilage

d)

Red marrow

e)

Periosteum

61.

Which membrane covers the outer surface of a long bone?

a)

Endosteum

b)

Periosteum

c)

Articular cartilage

d)

Epiphyseal plate

e)

Spongy bone

62.

Which cartilage covers the joint surface of the epiphysis?

a)

Elastic cartilage

b)

Fibrocartilage

c)

Articular cartilage

d)

Hyaline cartilage of the epiphyseal plate

e)

Periosteum

63.

What is the growth plate between the epiphysis and diaphysis called?

a)

Articular cartilage

b)

Epiphyseal plate

c)

Periosteum

d)

Endosteum

e)

Spongy bone

64.

Which type of bone tissue is located in the epiphysis and contains red marrow?

a)

Compact bone

b)

Spongy bone

c)

Yellow marrow

d)

Articular cartilage

e)

Periosteum

65.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? A connective tissue membrane that covers the outside of the bones.

a)

Periosteum

b)

Endosteum

c)

Articular cartilage

d)

Epiphyseal plates

66.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? A connective tissue membrane that lines the medullary cavity.

a)

Periosteum

b)

Endosteum

c)

Medullary cavity

d)

Compact bone

67.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? A tiny hole that the blood vessel threads through.

a)

Nutrient foramen

b)

Medullary cavity

c)

Epiphysis

d)

Diaphysis

68.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Adipose tissue found within the medullary cavity.

a)

Red marrow

b)

Yellow marrow

c)

Spongy bone

d)

Articular cartilage

69.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Allows newly formed blood to exit the bone and enter the bloodstream; allows the bone tissue to receive nutrients, oxygen, and hormones.

a)

Periosteum

b)

Nutrient foramen

c)

Endosteum

d)

Articular cartilage

70.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Filled with yellow marrow.

a)

Medullary cavity

b)

Diaphysis

c)

Spongy bone

d)

Periosteum

71.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Found inside the spongy tissue at the ends of our bones.

a)

Red marrow

b)

Yellow marrow

c)

Compact bone

d)

Articular cartilage

72.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Full of bone-growing cells (osteoblasts) that allow our bones to grow in width.

a)

Periosteum

b)

Endosteum

c)

Epiphyseal plates

d)

Spongy bone

73.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Full of stem cells that produce red blood cells, most white blood cells, and platelets.

a)

Red marrow

b)

Yellow marrow

c)

Compact bone

d)

Diaphysis

74.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Growth plates.

a)

Articular cartilage

b)

Epiphyses

c)

Epiphyseal plates

d)

Periosteum

75.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Hollow space inside the diaphysis.

a)

Medullary cavity

b)

Spongy bone

c)

Compact bone

d)

Nutrient foramen

76.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Knobby ends of the bone.

a)

Diaphysis

b)

Epiphyses

c)

Epiphyseal plates

d)

Articular cartilage

77.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Made of hyaline cartilage that ossifies and regrows repeatedly as you grow in height; ossify permanently between ages 18 and 25.

a)

Articular cartilage

b)

Epiphyseal plates

c)

Spongy bone

d)

Periosteum

78.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Name literally means inside-bone.

a)

Periosteum

b)

Endosteum

c)

Diaphysis

d)

Compact bone

79.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Name literally means outside-bone.

a)

Endosteum

b)

Periosteum

c)

Diaphysis

d)

Epiphysis

80.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Protects the ends of our bones from friction and shock as joints move and we put weight on them.

a)

Articular cartilage

b)

Spongy bone

c)

Compact bone

d)

Epiphyseal plates

81.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Shaft of the bone.

a)

Epiphysis

b)

Diaphysis

c)

Medullary cavity

d)

Periosteum

82.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? The epiphysis that is closer to the trunk.

a)

Distal epiphysis

b)

Proximal epiphysis

c)

Diaphysis

d)

Articular cartilage

83.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? The epiphysis that is further from the trunk.

a)

Proximal epiphysis

b)

Distal epiphysis

c)

Diaphysis

d)

Spongy bone

84.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Type of bone found in the epiphyses.

a)

Compact bone

b)

Spongy bone

c)

Articular cartilage

d)

Epiphyseal plates

85.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? Type of bone that makes up the diaphysis.

a)

Spongy bone

b)

Compact bone

c)

Articular cartilage

d)

Red marrow

86.

Fill-in-the-Blank – Anatomy of a Long Bone: Which structure of a long bone does this description describe? When it is lost, arthritis develops.

a)

Articular cartilage

b)

Periosteum

c)

Endosteum

d)

Epiphyseal plate

87.

If someone loses a significant amount of blood, how does their marrow in their bones change?

a)

Red marrow converts to yellow marrow to conserve energy

b)

Yellow marrow converts to red marrow to ramp up blood production

c)

Red marrow moves to the diaphysis and becomes compact bone

d)

Yellow marrow increases fat storage and reduces blood production

88.

Is bone vascular or avascular, and why must it be this way?

a)

Avascular; nutrients diffuse through cartilage and marrow stays inside the bone

b)

Vascular; bones need blood vessels to deliver nutrients/oxygen and to let marrow-produced blood leave the bone

c)

Avascular; bones are solid so vessels cannot pass through them

d)

Vascular; vessels prevent friction at joints

89.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell allows your bones to perform their daily functions.

a)

Osteoblast

b)

Osteoclast

c)

Osteocyte

d)

Osteogenic cell

90.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell becomes an osteocyte.

a)

Osteoclast

b)

Osteoblast

c)

Osteogenic cell

d)

Osteocyte

91.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell can do mitosis.

a)

Osteoblast

b)

Osteoclast

c)

Osteogenic cell

d)

Osteocyte

92.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell creates osteoblasts.

a)

Osteoclast

b)

Osteocyte

c)

Osteogenic cell

d)

Chondrocyte

93.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell creates the matrix of bones.

a)

Osteoblast

b)

Osteoclast

c)

Osteocyte

d)

Osteogenic cell

94.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell gets buried and becomes another type of bone cell.

a)

Osteoclast

b)

Osteoblast

c)

Osteogenic cell

d)

Osteocyte

95.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell is a stem cell.

a)

Osteocyte

b)

Osteoblast

c)

Osteogenic cell

d)

Osteoclast

96.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell is considered a mature bone cell.

a)

Osteoblast

b)

Osteocyte

c)

Osteoclast

d)

Osteogenic cell

97.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell is in the epiphyseal plates and on the periosteum.

a)

Osteoclast

b)

Osteocyte

c)

Osteogenic cell

d)

Osteoblast

98.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell is in the periosteum and endosteum (don’t pick osteogenic cells).

a)

Osteoclast

b)

Osteoblast

c)

Osteocyte

d)

Chondrocyte

99.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell is located inside the spongy bone and compact bone.

a)

Osteoclast

b)

Osteocyte

c)

Osteoblast

d)

Osteogenic cell

100.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell removes dead bone after a fracture.

a)

Osteoblast

b)

Osteoclast

c)

Osteocyte

d)

Osteogenic cell

101.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell shaves away old bone when your bones are growing wider.

a)

Osteoclast

b)

Osteocyte

c)

Osteogenic cell

d)

Osteoblast

102.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell translates into bone break.

a)

Osteocyte

b)

Osteoblast

c)

Osteoclast

d)

Osteogenic cell

103.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell translates into bone cell.

a)

Osteoclast

b)

Osteocyte

c)

Osteoblast

d)

Osteogenic cell

104.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell translates into bone produce.

a)

Osteoblast

b)

Osteocyte

c)

Osteoclast

d)

Osteogenic cell

105.

Fill-in-the-Blank – Types of Bone Cells: Which type of bone cell does this statement describe? This type of bone cell creates osteoid.

a)

Osteoclast

b)

Osteoblast

c)

Osteocyte

d)

Osteogenic cell

106.

Why are osteoblasts located on the periosteum?

a)

To build new bone that widens bones and assists in fracture repair and remodeling

b)

To remove old bone to create a medullary cavity

c)

To form the original cartilage model of a bone

d)

To produce blood cells in the marrow

107.

Why are osteoblasts located on epiphyseal plates?

a)

To build new bone that allows bones to grow in length

b)

To shave away bone to widen the medullary cavity

c)

To deliver nutrients into cartilage

d)

To begin a primary ossification center in the diaphysis

108.

Why are osteoclasts located on the periosteum?

a)

To clean away old bone during bone remodeling or fracture repair

b)

To build new bone to lengthen the bone

c)

To form cartilage cells

d)

To deposit calcium from the blood

109.

Why are osteoclasts located on the endosteum?

a)

To shave away bone to make the medullary cavity wider as bones grow in width, preventing bones from becoming too heavy

b)

To build new bone to allow length growth

c)

To create osteoid that becomes bone

d)

To close the medullary cavity during growth

110.

How are osteogenic cells, osteocytes, and osteoblasts related as far as the creation of each cell goes?

a)

Osteogenic cells undergo mitosis and become osteoblasts; osteoblasts create osteoid and become buried to be osteocytes

b)

Osteogenic cells become osteoclasts; osteoclasts turn into osteoblasts that maintain bone

c)

Osteoblasts divide to form osteogenic cells; osteocytes later dissolve into cartilage

d)

Osteocytes form first and then differentiate into osteogenic cells, which create osteoclasts

111.

What is bone remodeling?

a)

The removal of old, damaged, worn‑out bone and replacing it with new healthy bone

b)

The growth of cartilage that later becomes bone

c)

The lengthening of bone without removing old tissue

d)

The creation of marrow cavities in bone

112.

Why is bone remodeling necessary?

a)

So that bones do not become brittle and break

b)

To increase blood sugar levels

c)

To reduce muscle mass around bones

d)

Because cartilage needs additional nutrients

113.

How often is the skeleton fully replaced by bone remodeling?

a)

Every 1 year

b)

Every 5 years

c)

Every 10 years

d)

Every 50 years

114.

How do osteoclasts and osteoblasts work together to remodel bones?

a)

Osteoclasts shave away old, worn‑out bone; osteoblasts replace it with new bone by laying down osteoid, and osteoblasts later become osteocytes

b)

Osteoblasts remove old bone while osteoclasts lay down osteoid

c)

Osteocytes form cartilage that osteoclasts turn into bone

d)

Osteoclasts and osteoblasts both only maintain existing bone without changing it

115.

What is endochondral ossification?

a)

The formation of bone from hyaline cartilage

b)

The conversion of bone into cartilage

c)

Intramembranous bone formation from connective tissue membranes

d)

Bone growth only in width

116.

At what ages does endochondral ossification begin?

a)

6 to 8 weeks in the womb

b)

At birth

c)

During puberty

d)

After age 30

117.

What specific material are our bones made of at the beginning of endochondral ossification?

a)

Fibrocartilage

b)

Hyaline cartilage

c)

Compact bone

d)

Elastic cartilage

118.

What material are our bones made of at the end of endochondral ossification?

a)

Cartilage

b)

Bone

c)

Tendon

d)

Ligament

119.

Which named step matches this summary: Chondrocytes are created in the shape of a bone where the bone will eventually be. This original bone “model” is made of hyaline cartilage.

a)

Cartilage model forms

b)

Perichondrium & periosteum form

c)

Primary ossification center

d)

Medullary cavity

e)

Secondary ossification centers

120.

Which named step matches this summary: A perichondrium forms around the cartilage model, then ossifies into bone, becoming a periosteum. The periosteum cuts off nutrients to the cartilage and chondrocytes inside the “model” begin to die. Bone replaces the dead chondrocytes.

a)

Cartilage model forms

b)

Perichondrium & periosteum form

c)

Primary ossification center

d)

Medullary cavity

e)

Secondary ossification centers

121.

Which named step matches this summary: Blood vessels enter the diaphysis to form a primary ossification center. Osteoblasts use ingredients from the blood to lay down osteoid and build bone at the primary ossification center. Ossification occurs in the diaphysis from inside‑out.

a)

Cartilage model forms

b)

Perichondrium & periosteum form

c)

Primary ossification center

d)

Medullary cavity

e)

Secondary ossification centers

122.

Which named step matches this summary: Osteoclasts shave away newly formed bone in the diaphysis to create a medullary cavity.

a)

Cartilage model forms

b)

Perichondrium & periosteum form

c)

Primary ossification center

d)

Medullary cavity

e)

Secondary ossification centers

123.

Which named step matches this summary: Blood vessels enter the epiphyses, forming secondary ossification centers. Osteoblasts use ingredients from the blood to lay down osteoid and build bone at the secondary ossification centers (in the epiphyses). Ossification occurs in the epiphyses from the inside‑out.

a)

Cartilage model forms

b)

Perichondrium & periosteum form

c)

Primary ossification center

d)

Medullary cavity

e)

Secondary ossification centers

124.

Which named step matches this summary: The only cartilage left is articular cartilage and the epiphyseal plates. All other cartilage has become bone.

a)

Cartilage model forms

b)

Perichondrium & periosteum form

c)

Primary ossification center

d)

Medullary cavity

e)

Ossification is complete

125.

Which type of cell starts the process of endochondral ossification, and what is their role?

a)

Chondrocytes form a model of where the bone will eventually be

b)

Osteoblasts lay down osteoid to build new bone

c)

Osteocytes maintain the existing bone tissue

d)

Osteoclasts resorb bone to shape the medullary cavity

126.

What is the perichondrium?

a)

A layer of cartilage around the original cartilage model

b)

A membrane lining the medullary cavity

c)

A network of blood vessels in bone

d)

A type of bone cell that removes bone

127.

When the perichondrium turns to bone, what is it now called?

a)

Endosteum

b)

Periosteum

c)

Perimysium

d)

Peritoneum

128.

The formation of the periosteum causes what to occur within the developing bone, and why?

a)

It cuts off nutrients into the cartilage model, causing cartilage within the bone model to die, and this cartilage is replaced by bone

b)

It increases cartilage growth by adding nutrients to the model

c)

It creates more blood cells in the marrow without affecting cartilage

d)

It stops ossification and preserves the original cartilage

129.

What must form within the epiphyses and diaphysis for ossification to begin taking place, and why must these form?

a)

Blood vessels must enter to deliver the nutrients osteoblasts need to create osteoid

b)

Nerve fibers must grow in to signal surrounding muscle

c)

Marrow cavities must form to store adipose tissue

d)

Ligaments must attach to stabilize nearby joints

130.

Where is the primary ossification center found?

a)

Diaphysis

b)

Epiphyses

c)

Periosteum

d)

Medullary cavity

131.

Where is the secondary ossification center found?

a)

Epiphyses

b)

Diaphysis

c)

Periosteum

d)

Lacunae

132.

When do the secondary ossification centers form?

a)

Around the time of birth

b)

During the first 6–8 weeks in the womb

c)

At puberty

d)

In old age

133.

Which ossifies first – the diaphysis or the epiphyses?

a)

Diaphysis

b)

Epiphyses

134.

What is the role of osteoblasts in endochondral ossification?

a)

They build new bone at the primary and secondary ossification centers, causing ossification

b)

They remove bone to form the medullary cavity

c)

They maintain bone tissue without building it

d)

They transport nutrients into cartilage

135.

What is the role of osteoclasts in endochondral ossification?

a)

They clean away newly formed bone in the diaphysis, forming a medullary cavity

b)

They build new bone at ossification centers

c)

They create osteoid to initiate ossification

d)

They form the original cartilage model

136.

Does ossification occur from the outside‑in or the inside‑out?

a)

Inside‑out

b)

Outside‑in

137.

What cartilages are left at the end of endochondral ossification?

a)

Only the articular cartilage and epiphyseal plates

b)

All cartilage disappears and only bone remains

c)

Only elastic cartilage remains

d)

Only the perichondrium remains

138.

Fracture Types: A bone breaks in two places, causing a floating piece of bone between the breaks.

a)

Segmental

b)

Comminuted

c)

Transverse

d)

Impacted

139.

Fracture Types: A fracture that breaks the skin.

a)

Closed

b)

Open

c)

Greenstick

d)

Non-displaced

140.

Fracture Types: A fracture that doesn't break the whole way through a bone.

a)

Complete

b)

Partial

c)

Transverse

d)

Oblique

141.

Fracture Types: A fracture that goes all the way through the bone.

a)

Partial

b)

Complete

c)

Closed

d)

Open

142.

Fracture Types: A fracture that occurs at a diagonal across the bone.

a)

Transverse

b)

Oblique

c)

Segmental

d)

Impacted

143.

Fracture Types: A partial fracture that causes a bone to bend.

a)

Greenstick

b)

Comminuted

c)

Closed

d)

Displaced

144.

Fracture Types: Broken ends of bones are jammed together.

a)

Segmental

b)

Impacted

c)

Open

d)

Non-displaced

145.

Fracture Types: Occurs in a straight line across the bone.

a)

Transverse

b)

Oblique

c)

Comminuted

d)

Greenstick

146.

Fracture Types: Only in infants and toddlers.

a)

Open

b)

Greenstick

c)

Complete

d)

Impacted

147.

Fracture Types: The bone doesn't break the skin.

a)

Open

b)

Closed

c)

Displaced

d)

Segmental

148.

Fracture Types: Tons of fragments of bone due to intense force.

a)

Comminuted

b)

Transverse

c)

Oblique

d)

Impacted

149.

Fracture Types: When the bones are broken, but still aligned.

a)

Displaced

b)

Non-displaced

c)

Open

d)

Segmental