BCT Exam 2
osteoblasts deposit _______ and live in the _________ - ANS-calcium salt
surface of the bone and central canal
osteocytes and osteoblasts are always found in lacunae - ANS-false
in formation of the bone, mesenchymal cells first become - ANS-osteoprogenitor cells
periosteum is made up of two layers; the outermost layer is - ANS-fibrous layer and it has
protective function
periosteum is made up of two layers; the innermost layer is - ANS-osteogenic layer
where are osteoprogenitor cells found - ANS-central canal
endosteum
along the inner layer of the periosteum
what are the main components of connective tissue - ANS-ground substance, fibers, and cells
in intramembranous bone formation ossification does not form - ANS-false
what is the function of calcitonin hormone - ANS-inhibit osteoclast activity
what is the function of parathyroid hormone - ANS-stimulate osteoclast activity
which of the following statements are correct about calcitonin - ANS-stimulates osteoblasts/
inhibits osteoclasts
it is produced by thyroid gland
it is produced when calcium blood level goes up
which of the following statements are correct about parathyroid hormone - ANS-stimulates
osteoclasts
it is produced by parathyroid gland
it is produced when calcium blood level goes down
in endochondral ossification the farthest zone from primary ossification center is - ANS-resting
zone
in endochondral ossification the farthest zone from secondary ossification center is -
ANS-ossification zone
, secondary ossification center forms in the epiphysis of the bone - ANS-true
osteons are only found in compact bone - ANS-true
which of the follwing is not true of bone - ANS-no nervous innervation
woven bone are special type of bone made after injury and they have high concentration of
osteocytes and low mineral content - ANS-true
Which of the following statements is true about connective tissue? - ANS-Collagen fibers
provides high tensile strength.
Which of the following connective tissue contains calcium salts? - ANS-bone
Blood is considerd a type of connective tissue. - ANS-true
What is the embryonic origin of the most connective tissue cells? - ANS-mesenchymal cells
Which of the following cells release histamine? - ANS-mast cells
Mesenchymal cells are most commonly found in ________ connective tissue (CT). -
ANS-embryonic
Serous cells secrete: - ANS-watery secretion containing proteins
Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which
epithelial tissue? - ANS-simple columnar
Simple cuboidal and columnar epithelium are both types of epithelial tissues which are found in
the kidney - ANS-false
Goblet cells are found within pseudostratified ciliated columnar epithelium. - ANS-true
You would expect to find----------------fibers in areas that undergo a lot of stretch and reboud. -
ANS-elastic
Which of the following is (are) considered as embryonic connective tissue? - ANS-Mucoid
connective tissue
Mesenchymal connective tissue
Macrophages in the liver are called? - ANS-Kupffers cells
Where do you find simple squamous epithelial tissue in the body? - ANS-lining of the blood
vessels
osteoblasts deposit _______ and live in the _________ - ANS-calcium salt
surface of the bone and central canal
osteocytes and osteoblasts are always found in lacunae - ANS-false
in formation of the bone, mesenchymal cells first become - ANS-osteoprogenitor cells
periosteum is made up of two layers; the outermost layer is - ANS-fibrous layer and it has
protective function
periosteum is made up of two layers; the innermost layer is - ANS-osteogenic layer
where are osteoprogenitor cells found - ANS-central canal
endosteum
along the inner layer of the periosteum
what are the main components of connective tissue - ANS-ground substance, fibers, and cells
in intramembranous bone formation ossification does not form - ANS-false
what is the function of calcitonin hormone - ANS-inhibit osteoclast activity
what is the function of parathyroid hormone - ANS-stimulate osteoclast activity
which of the following statements are correct about calcitonin - ANS-stimulates osteoblasts/
inhibits osteoclasts
it is produced by thyroid gland
it is produced when calcium blood level goes up
which of the following statements are correct about parathyroid hormone - ANS-stimulates
osteoclasts
it is produced by parathyroid gland
it is produced when calcium blood level goes down
in endochondral ossification the farthest zone from primary ossification center is - ANS-resting
zone
in endochondral ossification the farthest zone from secondary ossification center is -
ANS-ossification zone
, secondary ossification center forms in the epiphysis of the bone - ANS-true
osteons are only found in compact bone - ANS-true
which of the follwing is not true of bone - ANS-no nervous innervation
woven bone are special type of bone made after injury and they have high concentration of
osteocytes and low mineral content - ANS-true
Which of the following statements is true about connective tissue? - ANS-Collagen fibers
provides high tensile strength.
Which of the following connective tissue contains calcium salts? - ANS-bone
Blood is considerd a type of connective tissue. - ANS-true
What is the embryonic origin of the most connective tissue cells? - ANS-mesenchymal cells
Which of the following cells release histamine? - ANS-mast cells
Mesenchymal cells are most commonly found in ________ connective tissue (CT). -
ANS-embryonic
Serous cells secrete: - ANS-watery secretion containing proteins
Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which
epithelial tissue? - ANS-simple columnar
Simple cuboidal and columnar epithelium are both types of epithelial tissues which are found in
the kidney - ANS-false
Goblet cells are found within pseudostratified ciliated columnar epithelium. - ANS-true
You would expect to find----------------fibers in areas that undergo a lot of stretch and reboud. -
ANS-elastic
Which of the following is (are) considered as embryonic connective tissue? - ANS-Mucoid
connective tissue
Mesenchymal connective tissue
Macrophages in the liver are called? - ANS-Kupffers cells
Where do you find simple squamous epithelial tissue in the body? - ANS-lining of the blood
vessels
