PASSED ANSWERS!!
Flat bones
protect underlying soft tissue and may be slightly curved.
are, by definition, not at all curved.
include the bones of the wrist that glide across each other.
have a diaphysis and an epiphysis.
have elaborate shapes, and sometimes resemble sesame seeds. Answer -
protect underlying soft tissue and may be slightly curved.
The shaft of a long bone is called the __________, while the expanded, knobby
region at each end is called the __________.
diaphysis; epiphysis.
diaphysis; metaphysis.
metaphysis; epiphyseal line.
proximal epiphysis; distal epiphysis. Answer - diaphysis; epiphysis
During the healing of a bone fracture, a hard callus is formed by
osteoclasts.
osteoblasts.
,osteocytes.
fibroblasts. Answer - osteoblasts.
The cylindrical space within the diaphysis of a long bone is called the
epiphyseal plate.
endosteum.
lacuna.
medullary cavity. Answer - medullary cavity.
What gives bone its flexibility?
Inorganic salts
Elastic fibers
Yellow bone marrow
Trabeculae
Collagen fibers Answer - Collagen fibers
Which is false regarding bone remodeling?
It can occur in response to stress on a bone.
It occurs throughout life.
It occurs only at articular surfaces.
It assists in the maintenance of calcium and phosphate levels in the body.
It occurs at both the endosteal and periosteal surfaces of the bone. Answer - It
occurs only at articular surfaces.
, In an adult, red bone marrow is found in all of the following bones except the
sternum.
vertebrae.
radius of forearm.
ribs. Answer - radius of forearm.
Within which zone of the epiphyseal plate do cartilage cells undergo mitosis?
The zone closest to the medullary cavity
The zone closest to the epiphysis
The second closest zone to the epiphysis
The second closest bone to the medullary cavity Answer - The second closest
zone to the epiphysis
Which type of cell produces new bone tissue by secreting matrix?
Osteoblasts
Bone-lining cells
Osteoclasts
Osteoprogenitor cells
Osteocytes Answer - Osteoblasts
What is the incomplete layer of cells that covers all internal surfaces of the
bone within the medullary cavity?
Periosteum