Question 1

Thin sheets of bone matrix are ________.

Accepted Answer

A)   lamellae
B)   lacunae
C)   canaliculi
D)   periosteum
E)   trabeculaeF) A) and B)
G) A) and C)

Question 2

Chondroblasts produce

Accepted Answer

A)   ligaments.
B)   cartilage matrix.
C)   bone tissue.
D)   blood cells.
E)   synovial fluid.F) A) and B)
G) A) and C)

Question 3

Rickets is

Accepted Answer

A)   bone inflammation that often results from bacterial infection.
B)   a disease in adults, especially women, characterized by a reduced amount of bone matrix.
C)   a disease in adults characterized by softening of bones resulting from calcium depletion.
D)   a disease in children characterized by soft, bowed, and swollen bones.
E)   a group of genetic disorders producing very brittle bones that are easily fractured; this occurs because of insufficient collagen development.F) B) and E)
G) B) and C)

Question 4

Osteoclasts and osteoblasts that travel through or across the bone surface removing and replacing old bone matrix are collectively called a(n)  ________.

Accepted Answer

A)   basic multicellular unit
B)   osteogenic repair unit
C)   bone reformation unit
D)   callus multicellular unit
E)   osteonF) A) and B)
G) A) and C)

Question 5

In which of the following locations in a growing bone would the greatest osteoclast activity be found?

Accepted Answer

A)   Epiphysis
B)   Epiphyseal plate
C)   Medullary cavity
D)   Articular cartilage
E)   PerichondriumF) B) and E)
G) D) and E)

Question 6

Proteoglycan molecules in the matrix of cartilage

Accepted Answer

A)   replace collagen fibers in the matrix.
B)   give cartilage its resilient nature.
C)   fill the lacunae.
D)   make the perichondrium very stretchable.
E)   make cartilage hard and compact.F) A) and C)
G) B) and D)

Question 7

Which of the following correctly matches the bone type with an example?

Accepted Answer

A)   Short bone - carpal bone
B)   Long bone - vertebra
C)   Irregular bone - femur
D)   Flat bone - phalanges of the toes
E)   Short bone - humerusF) A) and D)
G) A) and C)

Question 8

An example of a long bone would be ________.

Accepted Answer

A)   the sternum
B)   a rib
C)   a carpal bone
D)   the tibia
E)   the clavicleF) B) and C)
G) All of the above

Question 9

Which type of bone cell has processes that lie in canaliculi?

Accepted Answer

A)   Osteochondral progenitor cell
B)   Osteoblast
C)   Osteocyte
D)   OsteoclastE) None of the above
F) C) and D)

Question 10

In which type of bone tissue are trabeculae present?

Accepted Answer

A)   Spongy bone
B)   Compact bone
C)   Both "spongy bone" and "compact bone" are correct.D) A) and B)
E) A) and C)

Question 11

Collagen and calcium hydroxyapatite are the primary constituents of ________.

Accepted Answer

A)   bone matrix
B)   hyaline cartilage
C)   fibrocartilage
D)   ligaments
E)   bloodF) A) and D)
G) B) and E)

Question 12

The term basic multicellular unit (BMU)  refers to

Accepted Answer

A)   group of osteoblasts and osteoclasts that work together during bone remodeling.
B)   the osteoblasts found in the deepest layer of the periosteum, which are involved in appositional growth.
C)   the clusters of chondrocytes within the metaphysis that will be converted to bone.D) B) and C)
E) A) and B)

Question 13

Osteoporosis is

Accepted Answer

A)   bone inflammation that often results from bacterial infection.
B)   a disease in adults, especially women, characterized by a reduced amount of bone matrix.
C)   a disease in adults characterized by softening of bones resulting from calcium depletion.
D)   a disease in children characterized by soft, bowed, and swollen bones.
E)   a group of genetic disorders producing very brittle bones that are easily fractured; this occurs because of insufficient collagen development.F) None of the above
G) A) and C)

Question 14

One effect of aging on the skeletal system is

Accepted Answer

A)   decreased bone matrix.
B)   increased bone density.
C)   decreased collagen fibers.
D)   increased elastic fibers.
E)   Both "decreased bone matrix" and "decreased collagen fibers" are correct.F) None of the above
G) A) and D)

Question 15

What is the type of ossification that forms the flat bones of the skull?

Accepted Answer

A)   Endochondral ossification
B)   Intramembranous ossificationC) A) and B)
D) undefined

Question 16

Sam, an older man, has been diagnosed with osteoporosis, and his blood calcium levels are above normal. The pathologiste found cancer cells that were oversecreting ________ causing Sam's symptoms.

Accepted Answer

A)   vitamin D
B)   parathyroid hormone
C)   calcitonin
D)   thyroid hormone
E)   growth hormoneF) A) and D)
G) A) and C)

Question 17

A passageway connecting neighboring osteocytes in an osteon is a ________.

Accepted Answer

A)   central canal
B)   lamella
C)   canaliculus
D)   lacuna
E)   osteocanalF) C) and E)
G) C) and D)

Question 18

Which type of bone cell possesses extensive ER and ribosomes?

Accepted Answer

A)   Osteochondral progenitor cell
B)   Osteoblast
C)   Osteocyte
D)   OsteoclastE) None of the above
F) A) and D)

Question 19

Which of the following are the maintenance cells in bone tissue?

Accepted Answer

A)   Osteocytes
B)   Osteoblasts
C)   Osteoclasts
D)   Chondrocytes
E)   Osteochondral progenitor cellsF) A) and E)
G) A) and B)

Question 20

In which type of bone tissue are osteoblasts and osteoclasts present?

Accepted Answer

A)   Spongy bone
B)   Compact bone
C)   Both "spongy bone" and "compact bone" are correct.D) A) and C)
E) A) and B)

Exam 6: Skeletal System: Bones and Bone Tissue

Osteoclasts and osteoblasts that travel through or across the bone surface removing and replacing old bone matrix are collectively called a(n) ________.

Correct AnswerverifiedShow Answer

Which type of bone cell has processes that lie in canaliculi?

Correct AnswerverifiedShow Answer

In which of the following locations in a growing bone would the greatest osteoclast activity be found?

Correct AnswerverifiedShow Answer

An example of a long bone would be ________.

Correct AnswerverifiedShow Answer

Sam, an older man, has been diagnosed with osteoporosis, and his blood calcium levels are above normal. The pathologiste found cancer cells that were oversecreting ________ causing Sam's symptoms.

Correct AnswerverifiedShow Answer

Which of the following are the maintenance cells in bone tissue?

Correct AnswerverifiedShow Answer

The term basic multicellular unit (BMU) refers to

Correct AnswerverifiedShow Answer

In which type of bone tissue are osteoblasts and osteoclasts present?

Correct AnswerverifiedShow Answer

Which type of bone cell possesses extensive ER and ribosomes?

Correct AnswerverifiedShow Answer

Proteoglycan molecules in the matrix of cartilage

Correct AnswerverifiedShow Answer

Rickets is

Correct AnswerverifiedShow Answer

In which type of bone tissue are trabeculae present?

Correct AnswerverifiedShow Answer

Thin sheets of bone matrix are ________.

Correct AnswerverifiedShow Answer

A passageway connecting neighboring osteocytes in an osteon is a ________.

Correct AnswerverifiedShow Answer

Which of the following correctly matches the bone type with an example?

Correct AnswerverifiedShow Answer

Chondroblasts produce

Correct AnswerverifiedShow Answer

Osteoporosis is

Correct AnswerverifiedShow Answer

One effect of aging on the skeletal system is

Correct AnswerverifiedShow Answer

What is the type of ossification that forms the flat bones of the skull?

Correct AnswerverifiedShow Answer

Collagen and calcium hydroxyapatite are the primary constituents of ________.

Correct AnswerverifiedShow Answer

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