Bio 161 Exam 5 Practice EXAM, Complete Test || Questions and
Answers (Verified Answers) (Latest Update 2026) UPDATE!!
Osteoprogenitor (osteogenic) - (answer)produces all other cells of bone formation
Osteoblast - (answer)makes new bone tissue (construction)
Osteocyte - (answer)regulates existing bone (maintenance)
Osteoclast - (answer)erodes and recycle bone matrix (destruction)
osteon - (answer)structural unit of compact bone
lamellar plates - (answer)circular layers or rings of bone tissue
Haversian (central) canal - (answer)location of blood vessels and nervous tissue
Volkmann's canal - (answer)allows connection of Haversian (central) canals
Lacunae - (answer)empty spaces within the matrix that house bone cells
canaliculi - (answer)connections between bone cells
Which of the following ions important for physiological function is regulated (stored and released) by
the skeletal system? - (answer)Calcium
The skull is a part of the ______________________ skeleton. - (answer)axial
, Bio 161 Exam 5 Practice EXAM, Complete Test || Questions and
Answers (Verified Answers) (Latest Update 2026) UPDATE!!
Increased force on bones will result in an increase in bone matrix production. - (answer)True
(Force will activate osteocytes, ultimately leading to increased bone remodeling and deposition of
matrix.)
Lined with endosteum - (answer)Structure 2
medullary cavity
Fibrous outer layer of a bone - (answer)Structure 3
periosteum
Matrix tissue that lacks central canals - (answer)Structure 9
Small opening in matrix that helps to connect neighboring osteocytes - (answer)Structure 11
lacunae
The structural unit of compact bone - (answer)Structure 1
osteon
A disease that decreases the amount of organic material in the matrix will result in which of the
following symptoms? - (answer)Brittle bones
Which sample was likely taken from a astronaut that traveled to space AND chose to participate in daily
weight-bearing exercises while in low gravity. - (answer)Middle sample
(The far left sample is the "control" sample of the astronaut that trained on Earth.
Answers (Verified Answers) (Latest Update 2026) UPDATE!!
Osteoprogenitor (osteogenic) - (answer)produces all other cells of bone formation
Osteoblast - (answer)makes new bone tissue (construction)
Osteocyte - (answer)regulates existing bone (maintenance)
Osteoclast - (answer)erodes and recycle bone matrix (destruction)
osteon - (answer)structural unit of compact bone
lamellar plates - (answer)circular layers or rings of bone tissue
Haversian (central) canal - (answer)location of blood vessels and nervous tissue
Volkmann's canal - (answer)allows connection of Haversian (central) canals
Lacunae - (answer)empty spaces within the matrix that house bone cells
canaliculi - (answer)connections between bone cells
Which of the following ions important for physiological function is regulated (stored and released) by
the skeletal system? - (answer)Calcium
The skull is a part of the ______________________ skeleton. - (answer)axial
, Bio 161 Exam 5 Practice EXAM, Complete Test || Questions and
Answers (Verified Answers) (Latest Update 2026) UPDATE!!
Increased force on bones will result in an increase in bone matrix production. - (answer)True
(Force will activate osteocytes, ultimately leading to increased bone remodeling and deposition of
matrix.)
Lined with endosteum - (answer)Structure 2
medullary cavity
Fibrous outer layer of a bone - (answer)Structure 3
periosteum
Matrix tissue that lacks central canals - (answer)Structure 9
Small opening in matrix that helps to connect neighboring osteocytes - (answer)Structure 11
lacunae
The structural unit of compact bone - (answer)Structure 1
osteon
A disease that decreases the amount of organic material in the matrix will result in which of the
following symptoms? - (answer)Brittle bones
Which sample was likely taken from a astronaut that traveled to space AND chose to participate in daily
weight-bearing exercises while in low gravity. - (answer)Middle sample
(The far left sample is the "control" sample of the astronaut that trained on Earth.