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

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

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