Test 4 Flashcards

(56 cards)

1
Q

Osteomalacia

A

Bones are poorly mineralized

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2
Q

Paget’s Disease

A

Bone is made too fast and poorly

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3
Q

Osteoporosis

A

Group of diseases in which bone resorption exceeds deposit

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4
Q

Greenstick

A

Bone is broken incompletely

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5
Q

Comminuted

A

Breaks in 3 or more places

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6
Q

Spiral

A

Ragged break up the bone

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7
Q

The structure of bone tissue suits the function. Which of the following bone tissues is adapted to support weight and withstand torsion stresses?

A

Compact Bone

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8
Q

Yellow Bone marrow contains a large percentage of

A

Fat

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9
Q

The cell responsible for secreting the matrix of bone is the

A

Osteoblast

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10
Q

What kind of tissue is the forerunner of long bones in the embryo?

A

Hyaline Cartilage

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11
Q

A fracture in the shaft of a bone would be a break in the ______

A

Diaphysis

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12
Q

Which of the following is implicated in osteoporosis in older women?

A

Hip Breaks

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13
Q

Ossification of the ends of long bones

A

Isproduced by secondary ossification centers

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14
Q

Which of the gollowing is the single most important stimulus for epiphyseal plate activity during infancy and childhood?

A

Growth hormone

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15
Q

What are the functions of the skeletal sustem?

A

Support
Storage materials
Production of blood cells
Protection

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16
Q

Structural unit of compact bone

A

Osteon

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17
Q

How is the periosteum secured to the bones?

A

Perforating (sharpeys) fibers

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18
Q

What is found in the central canal that runs through the core of each osteon?

A

Blood vessels and nerve fibers

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19
Q

The resilience of bone is thought to come from?

A

Collogen or Sacrificial bonds

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20
Q

For intramembraneous ossification to take place, which of the following is necessary?

A

An ossification center forms in the fibrous connective tissue

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21
Q

The process of bones increasing in thickness is known as

A

Appositional growth

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22
Q

Bones are constantly undergoing reabsorption for various reaseons. Which of the following cells accomplishes this process

A

Osteoclast

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23
Q

Which hormone increases osteoclast activity to release more calcium ions into the bloodstream?

A

Parathyroid hormone

24
Q

What is Wolffs law?

A

The thickness and shape of a bone being dependent on stresses placed upon it

25
In human the effect of the hormone calcitonin is to
Lowering calcium blood levels
26
Cartilage grows in two ways, appositional and intersitual. What is appositional growth?
Cartilage growth
27
Ossification is the process if
Bone formation
28
Lenghthwise, long bone growth during infancy and youth is exclusively through
Epithelial plates
29
Growth of bones is controlled by a symphony of hormones. Whixh hormone is of gratest importance for bone growth during infancy and childhood
Growth Hormone
30
What closes the epithelal plate?
Sew hormone
31
Prevention of osteoporosis includes adequate intake of
Calcium
32
What tissue forms the model for endochondrial ossification?
Thyrine cartilage
33
Child birth
Fibrocartlidge
34
At an archeological site you discover a bone that is cylindrical in shape, about one inch long and a quarter inch wide. Choose the correct classification.
Long bone
35
Most of the body's weight is carried on the talus and calcareous
True
36
The bones in the skull have many different names, but what are the boundaries of each bone?
Sutures
37
Which of the following can be considered a function of the paranasal sinuses?
Litening the skull
38
Which of the bones of the skull would you most associate with hearing and balance
Temporal bone
39
Which of the food would be most associated with the process of warming and humiditfying inhaled air?
Nasal concave
40
Which is the best description for the function of the cranial bones?
Completely covered in bone
41
The sella turcica is part if the ______ and houses the _____
Speniod | Putritary
42
Curvatures of the spine serve the body hy
Weight bearing
43
When looking at the range of motion of the various sections of the vertebral column the ____ has the most flexibility
Cervicals
44
The axial skeleton includes
Skull, Vertebral collumn, Thorastic cage
45
Which vertebrae does not have a body
C1 & C2
46
The suture that connects two parietal bones together is the ______
Sagital
47
The hyoid bone is unique because it has
No articulations
48
Abnormal curvature of the vertebral column
Scoliosis
49
Which bone acts as a moveable base for the toungue
Hyoid bone
50
Thoracic vertebrae differ from the other vertebrae in that they have ____
Costal fassets
51
Which bone forms the prominence of the cheek?
Zygomatic bone
52
Which of the following is not weight bearing?
Fibula
53
Which portion of the fibula articulates with the talus?
Lateral malleolus
54
The heel bone is called the _____
Calcaneous
55
The largest foramen in the body is the _________ foramen
Obturator
56
Only the _______ vertebrae have transverse foramina
Cervicals