Question 1

Thin sheets of bone matrix are ________.

Accepted Answer

A)   lamellae
B)   lacunae
C)   canaliculi
D)   periosteum
E)   trabeculae

Question 2

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

Accepted Answer

A)   central canal
B)   lamella
C)   canaliculus
D)   lacuna
E)   osteocanal

Question 3

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.

Question 4

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 clavicle

Question 5

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 hormone

Question 6

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.

Question 7

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

Accepted Answer

A)   Endochondral ossification
B)   Intramembranous ossification

Question 8

Which type of bone cell possesses extensive ER and ribosomes?

Accepted Answer

A)   Osteochondral progenitor cell
B)   Osteoblast
C)   Osteocyte
D)   Osteoclast

Question 9

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)   osteon

Question 10

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.

Question 11

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.

Question 12

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

Accepted Answer

A)   Osteochondral progenitor cell
B)   Osteoblast
C)   Osteocyte
D)   Osteoclast

Question 13

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

Accepted Answer

A)   Osteocytes
B)   Osteoblasts
C)   Osteoclasts
D)   Chondrocytes
E)   Osteochondral progenitor cells

Question 14

Chondroblasts produce

Accepted Answer

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

Question 15

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.

Question 16

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)   Perichondrium

Question 17

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.

Question 18

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 - humerus

Question 19

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.

Question 20

Collagen and calcium hydroxyapatite are the primary constituents of ________.

Accepted Answer

A)   bone matrix
B)   hyaline cartilage
C)   fibrocartilage
D)   ligaments
E)   blood

Exam 6: Skeletal System: Bones and Bone Tissue

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

Correct AnswerverifiedShow Answer

One effect of aging on the skeletal system is

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

Osteoporosis is

Correct AnswerverifiedShow Answer

Chondroblasts produce

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Proteoglycan molecules in the matrix of cartilage

Correct AnswerverifiedShow Answer

An example of a long bone would be ________.

Correct AnswerverifiedShow Answer

Thin sheets of bone matrix are ________.

Correct AnswerverifiedShow Answer

Rickets is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The term basic multicellular unit (BMU) refers to

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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 possesses extensive ER and ribosomes?

Correct AnswerverifiedShow Answer

Collagen and calcium hydroxyapatite are the primary constituents of ________.

Correct AnswerverifiedShow Answer

In which type of bone tissue are trabeculae present?

Correct AnswerverifiedShow Answer

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