Skeletal System

Question 1

The movable part of facial bones where muscles of mastication are attached:

Mandible
Maxilla
Zygomaticus
Vomer

Answer 1

Mandible

Question 2

Vertebrae and facial bones are examples of what type of bones?
Long
Short
Flat
Irregular

Answer 2

Irregular

Question 3

Bones are living matters inside the body; it is also capable of growth and repair when injured.
TRUE
FALSE

Answer 3

True

Question 4

Vertebrae that have transverse foramen are unique in the following segment of the spine:
Cervical
Thoracic
Lumbar
Sacral

Answer 4

Cervical

Question 5

In the medullary cavity inside the bone, the following is responsible in forming blood cells:
Blue marrow
Red marrow
Yellow marrow
None of the above

Answer 5

Red marrow
(Yellow is mostly fat)

Question 6

Which among the following is also considered as the shaft of the long bones?
Diaphysis
Epiphysis
Articular cartilage
Periosteum

Answer 6

Diaphysis

Question 7

Which among the following segments of the spinal column have the largest vertebral bodies?
Cervical
Thoracic
Lumbar
Sacral

Answer 7

Lumbar

Question 8

The sella turcica where the pituitary gland sits is part of which of the following bone?
Sphenoid
Ethmoid
Zygomatic
None of the above

Answer 8

Sphenoid

Question 9

Part of the long bone in between the diaphysis and epiphysis where bone growth occur:
Medullary cavity
Endosteum
Epiphyseal plate
Periosteum

Answer 9

Epiphyseal plate

Question 10

How many bones are present in the vertebral column?
21
26
31
36

Answer 10

26

Question 11

Ligaments and tendons contain large amount of the following protein that make these structures ropelike and can withstand tensile forces:
Proteoglycans
Collagen
Minerals
Hydroxyapatite

Answer 11

Collagen

Question 12

Atlantoaxial joint is the articulation of which of the following bones?
C1 and Occiput
C1 and C2
C7 and T1
T12 and L1

Answer 12

C1 and C2

Question 13

Vertebrae that have costal facets are unique in the following segment of the spine:
Cervical
Thoracic
Lumbar
Sacral

Answer 13

Thoracic

Question 14

The following carpal bones are included in the proximal row, except:
Scaphoid
Lunate
Hamate
Pisiform

Answer 14

Hamate

Question 15

The following are parts of the cranial bones, except
Maxilla
Parietal
Occipital
Temporal

Answer 15

Maxilla

Question 16

Proteoglycans are known for the following functions inside the bones:
Shock absorber
Resist tensile forces
Attract water
None of the above

Answer 16

Attract water

Question 17

This particular vertebra articulates with the occipital condyle superiorly and the axis inferiorly:
C1
T1
L1
S1

Answer 17

C1

Question 18

The following are responsible for formation, repair, and remodeling of bones:
Osteoblast
Osteoclast
Osteocyte
None of the above

Answer 18

Osteoblasts

Question 19

The following is responsible for bone resorption where it breaks down and remove existing bones:
Osteoblasts
Osteoclasts
Osteocytes
None of the above

Answer 19

Osteoclasts

Question 20

The following are parts of the axial skeleton, except:
Skull
Spinal column
Upper extremities

Answer 20

Upper extremities/limbs

Question 21

Wrist and ankle. Shape of bones?

Flat
Irregular
Short

Answer 21

Short

Question 22

Skull and sternum. Shape of bone?

Flat
Irregular
Short

Answer 22

Flat

Question 23

Ends of spongy bone tissue

Diaphysis
Epiphysis
Epiphyseal plate

Answer 23

Epiphysis

Question 24

Spaces in cavities filled with soft tissue

Marrow
Blood
Bone

Answer 24

Marrow

Question 25

Rings of bone matrix Lamella Lacunae Canaliculus Central canal

Answer 25

Lamella

Question 26

Tiny canals. Transport nutrients and remove waste Lamella Canaliculus Central canadal

Answer 26

Canaliculus

Question 27

Spaces between lamella Lacunae Canaliculus Central canal

Answer 27

Lacunae

Question 28

Center of osteon containing blood vessels Canaliculus Lacunae Central canal

Answer 28

Central canal

Question 29

Structural unit of compact bone Osteon Osteoblasts Spongy bone

Answer 29

Osteon

Question 30

Other term for spongy bone tissue Cancellous Compact Soft

Answer 30

Cancellous

Question 31

Characteristics of spongy bone tissue, except It has trabeculae No osteons Located outside of diaphysis

Answer 31

Located outside of diaphysis

Question 32

Bone reabsorption Osteoblasts Osteocytes Osteoclast

Answer 32

Osteoclast

Question 33

Bone formation by osteoblasts Ossification Chondrocytes Osteoclast

Answer 33

Ossification

Question 34

Bone growth in width, process called Appositional growth Chondrocytes

Answer 34

Appositional growth

Question 35

Nasal conchae Sphenoid Ethmoid Temporal

Answer 35

Ethmoid

Question 36

Bone form in diaphysis Primary ossification Secondary ossification

Answer 36

Primary ossification

Question 37

Bone form at epiphysis Primary ossification Secondary ossification

Answer 37

Secondary ossification

Question 38

Bone formation inside hyaline cartilage Endochondral ossification Intramembranous ossification

Answer 38

Endochondral ossification

Question 39

How many bones divided skull contains 22 12 8

Answer 39

22

Question 40

How many facial bones 14 15 13

Answer 40

14

Question 41

How many auditory ossicles in mid ear 3 6 9

Answer 41

6

Question 42

calcium IN - Osteoblasts Osteoclast

Answer 42

Osteoblasts

Question 43

Calcium out Osteoblasts Osteoclast

Answer 43

Osteoclast

Question 44

Calcium homeostasis maintained by, except Parathyroid hormone Calcitonin Osteoclast

Answer 44

Osteoclast

Question 45

First vertebra holding the head Atlas Axis

Answer 45

Atlas

Question 46

How many pair of ribs 12 24 11

Answer 46

12

Question 47

Effects of aging on skeletal system Decreased collagen production Loss of bone density Degenerative Changes All of the above

Answer 47

All of the above

Question 48

Nonmovable joint Synarthrosis Amphiarthrosis Diarthrosis

Answer 48

Synarthrosis

Question 49

2 bones come together. Joint. Articulation Flexion Abduction

Answer 49

Articulation

Question 50

Not a part of skull, U-shaped Hyoid bone Collagen Cartilage

Answer 50

Hyoid bone