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Instructions: For each histology question, pick the one best answer. This histology test bank is also useful for the histology questions on the USMLE (USMLE step 1). Click here for answers and detailed explanations.
1.
What is the mature bone cell called?
a. Osteoclast
b. Osteon
c. Osteocyte
d. Osteoblast
e. Osteoid
2.
What is immature bone?
a. Dense bone
b. Woven bone
c. Cancellous bone
d. Compact bone
e. Spongy bone
3.
What is unmineralized bone matrix?
a. Osteoclast
b. Osteon
c. Osteocyte
d. Osteoblast
e. Osteoid
4.
What are the collagen fibers that extend into bone at an angle called?
a. Canaliculi
b. Sharpey's fibers
c. Trabeculae
d. Tome's process
e. Lacuna
5.
Which cell is the mature bone cell?
a. Chondrocyte
b. Chondroblast
c. Osteocyte
d. Osteoclast
e. Bone lining cell
6.
What is the lining of the inner bone on the side which abuts the medullary cavity?
a. Perimysium
b. Periosteum
c. Perichondrium
d. Perineurium
e. Endosteum
7.
What forms the skeleton of the fetus?
a. Elastic cartilage
b. Hyaline cartilage
c. Fibrocartilage
d. Spongy bone
e. Compact bone
8.
Which of the following is a multinucleated cell?
a. Osteoclast
b. Osteon
c. Osteocyte
d. Osteoblast
e. Osteoid
9.
What is spongy bone
a. Immature bone
b. Compact bone
c. Cancellous bone
d. Dense bone
e. Woven bone
Click here for answers and detailed explanations.
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