A&P Chp 7: Bones
Endochondral ossification ______, whereas intramembranous ossification ______. A. replaces hyaline cartilage; replaces undifferentiated connective tissue B. forms bone in broad, flat areas of the skull; occurs in the limbs C. deposits calcium salts; activates osteoclasts D. activates osteocytes; stimulates osteoblastsE. replaces undifferentiated connective tissue; replaces hyaline cartilage
A. replaces hyaline cartilage; replaces undifferentiated connective tissue
Which of the following is not a step in endochondral bone formation?
Hyaline cartilage changes to adipose tissue.
Which of the following is the form in which calcium is found in the inorganic matrix of the bone?
Hydroxyapatite
Which of the following is(are) an example of an intramembranous bone?
Broad, flat skull bones
It is possible to determine if a child's long bone is growing by examining a radiograph of the ___________________
epiphyseal plate
It is possible to determine if a child's long bone is growing by examining a radiograph of the
epiphyseal plate.
The membranous soft spots of a newborn's skull are called ______.
frontanels
articular cartilage is
hyaline cartilage
The microscopic bony chambers that house mature bone cells are called______________
lacunae
Articular cartilage of a long bone is found
on the outer surface of the epiphyses
The presence of lacunae, calcium salts, and blood vessels would indicate ________.
osseous tissue
Sex hormones stimulate
ossification of epiphyseal plates.
The cells responsible for removing excess bone tissue after the fracture repair process are _____________________
osteoblasts
Cells that remove excess bone tissue after fracture repair are
osteoclasts and phagocytes.
Which of the following is not found in spongy bone?
osteons
Red bone marrow functions in the formation of
red blood cells, white blood cells, platelets
Which of the following is not found in spongy bone?A. Trabeculae B. Osteons C. Canaliculi D. OsteoblastsE. Periosteum
Osteons
The white material that reduces friction at the ends of bones is called
articular cartilage
A bone thickens
as compact bone is deposited beneath the periosteum of the diaphysis.
An osteocyte is a __________________
bone cell surrounded by matrix
Osteoclasts are
bone cells that resorb bone tissue
Osteoclasts are _____________
bone cells that resorb bone tissue
Osteoblasts are ______, whereas osteocytes are ______.
bone-forming cells; mature bone cells Osteoclasts are
Endochondral ossification ______, whereas intramembranous ossification ______.
replaces hyaline cartilage; replaces undifferentiated connective tissue
A compound fracture
results when the broken bone is exposed to the outside.
The presence of an epiphyseal plate indicates that:
the bone is lengthening.
Compact bone has ________, whereas spongy bone has __________.
tightly packed tissue that is solid, strong, and resistant to bending; cancellous bone that reduces the weight of bone
