Bio 2050 - Anatomy and Physiology » Fall 2020 » RTS Chapter 7

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Question #1
Endochondral ossification begins at this time:
A.   during fetal development
B.   around age 50
C.   during puberty
D.   adulthood
Question #2
In this zone of the epiphyseal plate, new cartilage is produced as the chondrocytes divide and form stacks of cells:
A.   resting cartilage
B.   proliferation
C.   hypertrophy
D.   calcification
Question #3
In hyaline cartilage, the cells that produce new matrix are called this:
A.   osteocyte
B.   chondrocyte
C.   osteoblast
D.   chondroblast
Question #4
Nutrients travel to osteocytes in this order: 1. blood vessels in the medullary cavity 2. central canal 3. canaliculi 4. perforating (Volkmann’s) canals 5. cytoplasm of the osteocytes True/False
A.   TRUE
B.   FALSE
Question #5
Chondrocytes receive nutrients in this manner:
A.   directly from blood vessels
B.   from the lacuna
C.   diffusion through matrix
D.   from the inner layer of perichondrium
Question #6
This process of bone repair requires the longest amount of time:
A.   callus ossification
B.   bone remodeling
C.   internal callus formation
D.   hematoma formation

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