Practice Set 2B Flashcards

(51 cards)

1
Q

Which type of bone growth occurs within mature bone and results in the bone becoming thicker?

A

Appositional growth

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2
Q

Which zone of the epiphyseal plate is located the closest to the marrow cavity?

A

Zone of bone deposition

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3
Q

Which of the following describes the zone of cell hypertrophy in an epiphyseal plate?

A

Chondrocytes in this zone are no longer dividing, but are enlarging; there is a thinning of lacunae walls.

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4
Q

In the growth zone, which of the following describes the zone of bone deposition?

A

Walls between lacunae break down and chondrocytes die. Osteoblasts begin secreting bone matrix.

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5
Q

Which type of bone growth occurs within cartilage and results in bone elongation?

A

Interstitial

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6
Q

Which type of bone growth involves the deposition of new tissue at the surface?

A

Appositional

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7
Q

In which zone of the epiphyseal plate are chondrocytes multiplying and aligning into longitudinal columns of flattened lacunae?

A

Zone of cell proliferation

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8
Q

Which of the following describes the zone of calcification in an epiphyseal plate?

A

Minerals are deposited between the columns of lacunae.

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9
Q

An increase in the length of a long bone occurs by the process of ________ growth.

A

interstitial

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10
Q

Which type of bone growth occurs within mature bone and results in the bone becoming thicker?

A

Appositional growth

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11
Q

Wolff’s law of bone states that the architecture of a bone is determined by which of the following?

A

Mechanical stress

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12
Q

Which adult condition involves the softening of bones due to demineralization?

A

Osteomalacia

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13
Q

Which zone of the epiphyseal plate is located the farthest from the marrow space?

A

Zone of reserve cartilage

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14
Q

True or false: Osteoclasts are not needed for bone remodeling.

A

False

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15
Q

Vitamin D, also known as ______, raises the blood calcium level.

A

calcitriol

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16
Q

Which hormone inhibits osteoclasts and stimulates osteoblasts to lower blood calcium levels?

A

Calcitonin

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16
Q

Which hormone inhibits osteoclasts and stimulates osteoblasts to lower blood calcium levels?

A

Calcitonin

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16
Q

Which hormone inhibits osteoclasts and stimulates osteoblasts to lower blood calcium levels?

A

Calcitonin

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17
Q

Which hormone has a greater effect on bone growth?

A

Estrogen

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18
Q

During bone remodeling, the cells that remove unnecessary bone mass are called

A

osteoclasts

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19
Q

Calcitriol acts on which organs to raise blood calcium levels?

A

Kidneys

Small intestines

Bones

20
Q

What does the hormone calcitonin do?

A

Inhibits osteoclasts and stimulates osteoblasts

21
Q

A fracture caused by a tumor would be classified as a ___________ fracture.

22
Q

Which hormones affect bone growth and development?

A

Estrogen

Parathyroid hormone

Calcitonin

Testosterone

23
True or false: A hard callus is composed of fibrocartilage.
False
24
What is a mass of blood in the tissues called?
Hematoma
25
A fracture in a healthy bone caused by abnormal trauma, like a fall, is classified as a _______ fracture.
stress
26
Which tend to attain their full height earlier in life?
Adolescent girls
27
What often causes the loss of bone mass seen in osteoporosis in older women?
A loss of estrogen
28
During fracture healing, cartilage is deposited in granulation tissue to form which of the following?
A soft callus
29
Identify the two terms that describe a point where two bones meet.
Joint Articulation
30
Bleeding at the site of a bone fracture results in the formation of a fracture ________ a blood clot
hematoma
31
A degenerative bone disease characterized by a loss of bone mass and an increased risk of fracture is called ____________.
osteoporosis
32
What holds the bones together in a fibrous joint?
Hyaline cartilage
33
In a symphysis, bones are held together by which of the following?
Fibrocartilage
34
During fracture healing, cartilage is deposited in granulation tissue to form which of the following?
A soft callus
35
A lubricating fluid that reduces friction between the bones is found in ______ joints.
synovial
36
What is the hyaline cartilage found at the end of the bones within a synovial joint called?
Articular cartilage
37
A movement that decreases a joint angle is called _blank​_.
flexion
38
What is another term for a fibrous joint?
Synarthrosis
39
Intervertebral discs comprised of fibrocartilage are found within what type of joints?
Symphyses
40
Which joint type is most likely to develop dysfunction due to its complexity?
Synovial
41
Which structure is indicated by the arrow labeled A in the figure of a synovial joint?
Articular cartilage
42
What is the opposite of flexion?
Extension
43
In a symphysis, bones are held together by which of the following?
Fibrocartilage
44
Which two characteristics describe adduction?
A movement along the frontal plane A movement towards the midline of the body
45
Because of its depth, which joint is a very stable ball-and-socket joint?
Hip joint
46
Which movement straightens a joint, returning it to zero position?
Extension
47
The patellofemoral joint is an example of which class of synovial joint?
Gliding
48
Where is the coxal joint located?
Hip
49
True or false: The patella articulates with the femur.
True