Skeletal System Histology, Bone Repair Joints Quiz
Preview:
Bones are also composed of _________
A. keratin
B. chitin
C. elastin
D. collagen
Our bones have ____ percent phosphorus
A. 15
B. 25
C. 20
D. 10
Collagen gives bone some _______ and ____________
A. strength and flexibility
B. rigidity and weight
C. brittleness and hardness
D. softness and elasticity
_______ helps maintain strong bones
A. Vitamin D
B. Magnesium
C. supplements
D. Iron
Vitamin ____ helps absorb calcium
A. C
B. D
C. E
D. A
Calcium is brought to our bones by our ___________.
A. bloodstream
B. water
C. sunlight
D. exercise
Cells do not produce calcium for our bones. We get calcium from food and __________.
A. air
B. water
C. supplements
D. sugar
a mature bone cell surrounded by bone matrix
A. osteocyte
B. osteoclast
C. osteoblast
D. chondrocyte
Our bones have ______ percent collagen
A. 30
B. 10
C. 20
D. 50
Our bones are composed of 2 principal agents in the bone matrix:
A. Collagen and hydroxyapatite
B. Sodium and potassium
C. Keratin and elastin
D. Calcium and phosphorus
Vitamin ____ helps maintain strong bones
A. D
B. K
C. C
D. A
Calcium is needed for
A. skin elasticity and hair growth
B. blood circulation and digestion
C. vision and taste sensation
D. strength and maintain strength
Bone is a ______ tissue.
A. nervous
B. connective
C. epithelial
D. muscle
a bone-forming cell; cells that produce the bone matrix
A. Osteo blasts
B. Fibroblasts
C. Osteoclasts
D. Chondrocytes
osteocytes live in the _______ of bone
A. lacunae
B. periosteum
C. haversian canals
D. canaliculi