BIO 161: EXAM 4 PSU QUESTIONS AND ANSWERS
A+ GRADED
The skeletal system is a dynamic system of _______________ tissue and a
balance between _______________ and _______________
connective; production; remodeling
_________________ function holds the body upright and supports muscles and
organs
support
_________________ function encloses important organs
protection
____________________ function provides attachment sites for muscles
movement
electrolyte and acid/bace balance stores and releases __________ needed by the
body and ____________ to buffer ___________
ions; salts; blood
body cell differentiation is the location of ________________ and main producer
of ________________
bone marrow; blood cells
_____________ shape is scapula
flat
_____________ shape is carpals
short
_____________ shape is fumur
long
____________ shape is vertebrae
irregular
For bone,
cells =
matrix protein =
matrix ground substance =
osteocytes; collagen; mineralized (hydroxyapatite)
For Cartilage,
cells =
matrix protein =
matrix ground substance =
chondrocytes; collage; non mineralized and rubbery
_______________ is the shaft
diaphysis
why is the majority of the diaphysis compact bone?
to withstand force
_______________ is end of long bone
epiphysis
, _______________ is the site of bone marrow production that is lined in spongy
bone and endosteum
medullary cavity
_______________ is the lining of medullary cavity
endosteum
endosteum contains _______________ cells
osteogenic
_______________ contains fibrous and osteogenic layers
periosteum
_______________ coverts joint to reduce friction
articular cartilage
fibrous layer is for _______________ and has _______________ layers
protection; osteogenic
why does matrix has small spaces?
for vessels and marrow
spongy bone has _______________ spaces and compact bone _______________
spaces
many; very few
spongy bone makes up _______________
epiphysis
compact bone makes up _______________ of long bones
shaft
compact bone is the _______________ layer for _______________ bones
outside; all
spongy bone is in _______________ of long bones and _______________ of flat
ends; middle
osseous tissue
cells =
fibers =
ground substance =
osteocytes; collagen; solid and mineralized
for osseous tissue, osteocytes are trapped in the matrix so theres
_______________ for nutrients
canals
connective tissue _______________ and _______________ body
supports; connects
collagen
cells =
fibers =
ground substance =
chondrocytes; collagen; solid and non mineralized
during bone growth, _______________ provides framework for osseous tissue
cartilage
fetal skeleton is _______________
cartilage
the _______________ develops without cartilage
A+ GRADED
The skeletal system is a dynamic system of _______________ tissue and a
balance between _______________ and _______________
connective; production; remodeling
_________________ function holds the body upright and supports muscles and
organs
support
_________________ function encloses important organs
protection
____________________ function provides attachment sites for muscles
movement
electrolyte and acid/bace balance stores and releases __________ needed by the
body and ____________ to buffer ___________
ions; salts; blood
body cell differentiation is the location of ________________ and main producer
of ________________
bone marrow; blood cells
_____________ shape is scapula
flat
_____________ shape is carpals
short
_____________ shape is fumur
long
____________ shape is vertebrae
irregular
For bone,
cells =
matrix protein =
matrix ground substance =
osteocytes; collagen; mineralized (hydroxyapatite)
For Cartilage,
cells =
matrix protein =
matrix ground substance =
chondrocytes; collage; non mineralized and rubbery
_______________ is the shaft
diaphysis
why is the majority of the diaphysis compact bone?
to withstand force
_______________ is end of long bone
epiphysis
, _______________ is the site of bone marrow production that is lined in spongy
bone and endosteum
medullary cavity
_______________ is the lining of medullary cavity
endosteum
endosteum contains _______________ cells
osteogenic
_______________ contains fibrous and osteogenic layers
periosteum
_______________ coverts joint to reduce friction
articular cartilage
fibrous layer is for _______________ and has _______________ layers
protection; osteogenic
why does matrix has small spaces?
for vessels and marrow
spongy bone has _______________ spaces and compact bone _______________
spaces
many; very few
spongy bone makes up _______________
epiphysis
compact bone makes up _______________ of long bones
shaft
compact bone is the _______________ layer for _______________ bones
outside; all
spongy bone is in _______________ of long bones and _______________ of flat
ends; middle
osseous tissue
cells =
fibers =
ground substance =
osteocytes; collagen; solid and mineralized
for osseous tissue, osteocytes are trapped in the matrix so theres
_______________ for nutrients
canals
connective tissue _______________ and _______________ body
supports; connects
collagen
cells =
fibers =
ground substance =
chondrocytes; collagen; solid and non mineralized
during bone growth, _______________ provides framework for osseous tissue
cartilage
fetal skeleton is _______________
cartilage
the _______________ develops without cartilage
