Skeletal System Flashcards
The movable part of facial bones where muscles of mastication are attached:
Mandible
Maxilla
Zygomaticus
Vomer
Mandible
Vertebrae and facial bones are examples of what type of bones?
Long
Short
Flat
Irregular
Irregular
Bones are living matters inside the body; it is also capable of growth and repair when injured.
TRUE
FALSE
True
Vertebrae that have transverse foramen are unique in the following segment of the spine:
Cervical
Thoracic
Lumbar
Sacral
Cervical
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
Red marrow
(Yellow is mostly fat)
Which among the following is also considered as the shaft of the long bones?
Diaphysis
Epiphysis
Articular cartilage
Periosteum
Diaphysis
Which among the following segments of the spinal column have the largest vertebral bodies?
Cervical
Thoracic
Lumbar
Sacral
Lumbar
The sella turcica where the pituitary gland sits is part of which of the following bone?
Sphenoid
Ethmoid
Zygomatic
None of the above
Sphenoid
Part of the long bone in between the diaphysis and epiphysis where bone growth occur:
Medullary cavity
Endosteum
Epiphyseal plate
Periosteum
Epiphyseal plate
How many bones are present in the vertebral column?
21
26
31
36
26
Ligaments and tendons contain large amount of the following protein that make these structures ropelike and can withstand tensile forces:
Proteoglycans
Collagen
Minerals
Hydroxyapatite
Collagen
Atlantoaxial joint is the articulation of which of the following bones?
C1 and Occiput
C1 and C2
C7 and T1
T12 and L1
C1 and C2
Vertebrae that have costal facets are unique in the following segment of the spine:
Cervical
Thoracic
Lumbar
Sacral
Thoracic
The following carpal bones are included in the proximal row, except:
Scaphoid
Lunate
Hamate
Pisiform
Hamate
The following are parts of the cranial bones, except
Maxilla
Parietal
Occipital
Temporal
Maxilla
Proteoglycans are known for the following functions inside the bones:
Shock absorber
Resist tensile forces
Attract water
None of the above
Attract water
This particular vertebra articulates with the occipital condyle superiorly and the axis inferiorly:
C1
T1
L1
S1
C1
The following are responsible for formation, repair, and remodeling of bones:
Osteoblast
Osteoclast
Osteocyte
None of the above
Osteoblasts
The following is responsible for bone resorption where it breaks down and remove existing bones:
Osteoblasts
Osteoclasts
Osteocytes
None of the above
Osteoclasts
The following are parts of the axial skeleton, except:
Skull
Spinal column
Upper extremities
Upper extremities/limbs
Wrist and ankle. Shape of bones?
Flat
Irregular
Short
Short
Skull and sternum. Shape of bone?
Flat
Irregular
Short
Flat
Ends of spongy bone tissue
Diaphysis
Epiphysis
Epiphyseal plate
Epiphysis
Spaces in cavities filled with soft tissue
Marrow
Blood
Bone
Marrow
Rings of bone matrix
Lamella
Lacunae
Canaliculus
Central canal
Lamella
Tiny canals. Transport nutrients and remove waste
Lamella
Canaliculus
Central canadal
Canaliculus
Spaces between lamella
Lacunae
Canaliculus
Central canal
Lacunae
Center of osteon containing blood vessels
Canaliculus
Lacunae
Central canal
Central canal
Structural unit of compact bone
Osteon
Osteoblasts
Spongy bone
Osteon
Other term for spongy bone tissue
Cancellous
Compact
Soft
Cancellous
Characteristics of spongy bone tissue, except
It has trabeculae
No osteons
Located outside of diaphysis
Located outside of diaphysis
Bone reabsorption
Osteoblasts
Osteocytes
Osteoclast
Osteoclast
Bone formation by osteoblasts
Ossification
Chondrocytes
Osteoclast
Ossification
Bone growth in width, process called
Appositional growth
Chondrocytes
Appositional growth
Nasal conchae
Sphenoid
Ethmoid
Temporal
Ethmoid
Bone form in diaphysis
Primary ossification
Secondary ossification
Primary ossification
Bone form at epiphysis
Primary ossification
Secondary ossification
Secondary ossification
Bone formation inside hyaline cartilage
Endochondral ossification
Intramembranous ossification
Endochondral ossification
How many bones divided skull contains
22
12
8
22
How many facial bones
14
15
13
14
How many auditory ossicles in mid ear
3
6
9
6
calcium IN -
Osteoblasts
Osteoclast
Osteoblasts
Calcium out
Osteoblasts
Osteoclast
Osteoclast
Calcium homeostasis maintained by, except
Parathyroid hormone
Calcitonin
Osteoclast
Osteoclast
First vertebra holding the head
Atlas
Axis
Atlas
How many pair of ribs
12
24
11
12
Effects of aging on skeletal system
Decreased collagen production
Loss of bone density
Degenerative Changes
All of the above
All of the above
Nonmovable joint
Synarthrosis
Amphiarthrosis
Diarthrosis
Synarthrosis
2 bones come together. Joint.
Articulation
Flexion
Abduction
Articulation
Not a part of skull, U-shaped
Hyoid bone
Collagen
Cartilage
Hyoid bone
