Question 1

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. 
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 2

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

Question 3

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 
A)  Epiphysis 
B)  Epiphyseal plate 
C)  Medullary cavity 
D)  Articular cartilage 
E)  Perichondrium

Question 4

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

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

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

Question 7

Which type of bone cell possesses extensive ER and ribosomes?

Accepted Answer

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

Question 8

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 
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 9

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 
A)  the sternum 
B)  a rib 
C)  a carpal bone 
D)  the tibia 
E)  the clavicle

Question 10

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. 
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 11

Collagen and calcium hydroxyapatite are the primary constituents of ________.

Accepted Answer

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

Question 12

Thin sheets of bone matrix are ________.

Accepted Answer

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

Question 13

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. 
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 14

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 
A)  basic multicellular unit 
B)  osteogenic repair unit 
C)  bone reformation unit 
D)  callus multicellular unit 
E)  osteon

Question 15

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. 
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 16

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. 
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 17

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

Accepted Answer

A)  Endochondral ossification 
B)  Intramembranous ossification 
A)  Endochondral ossification 
B)  Intramembranous ossification

Question 18

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

Question 19

Chondroblasts produce

Accepted Answer

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

Question 20

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

Exam 6: Skeletal System: Bones and Bone Tissue

Rickets is

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

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

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.

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

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

Which type of bone cell possesses extensive ER and ribosomes?

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

An example of a long bone would be ________.

The term basic multicellular unit (BMU) refers to

Collagen and calcium hydroxyapatite are the primary constituents of ________.

Thin sheets of bone matrix are ________.

One effect of aging on the skeletal system is

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

Proteoglycan molecules in the matrix of cartilage

Osteoporosis is

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

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

Chondroblasts produce

In which type of bone tissue are trabeculae present?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

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