Question 1

What forms a long bone's shaft and the outer part of its two ends?

Accepted Answer

A)  spongy bone 
B)  periosteum 
C)  osteons 
D)  osteoblasts 
E)  compact bone 
A)  spongy bone 
B)  periosteum 
C)  osteons 
D)  osteoblasts 
E)  compact bone E

Question 2

Which factor may contribute to the development of osteoporosis?

Accepted Answer

A)  calcium absorption 
B)  over-production of sex hormones 
C)  smoking 
D)  an active life style 
E)  puberty 
A)  calcium absorption 
B)  over-production of sex hormones 
C)  smoking 
D)  an active life style 
E)  puberty C

Question 3

Lacunae are

Accepted Answer

A)  spaces inside a bone cell. 
B)  the places where marrow is located. 
C)  the location of the contractile units of muscle. 
D)  spaces within the matrix. 
E)  found only within cartilage. 
A)  spaces inside a bone cell. 
B)  the places where marrow is located. 
C)  the location of the contractile units of muscle. 
D)  spaces within the matrix. 
E)  found only within cartilage. D

Question 4

The thin, circular layers of compact bone are called

Accepted Answer

A)  osteoblasts. 
B)  epiphyseal plates. 
C)  osteoclasts. 
D)  osteons. 
E)  spicules. 
A)  osteoblasts. 
B)  epiphyseal plates. 
C)  osteoclasts. 
D)  osteons. 
E)  spicules.

Question 5

Moving a limb away from the body's midline is called

Accepted Answer

A)  adduction. 
B)  circumduction 
C)  extension. 
D)  rotation 
E)  abduction. 
A)  adduction. 
B)  circumduction 
C)  extension. 
D)  rotation 
E)  abduction.

Question 6

Osteoporosis is a condition characterized by

Accepted Answer

A)  excessive build up of bone calcium deposits. 
B)  hardening of the arteries in the bone. 
C)  loss of bone mass. 
D)  excessive rigidity of some bones. 
E)  curvature of the spine. 
A)  excessive build up of bone calcium deposits. 
B)  hardening of the arteries in the bone. 
C)  loss of bone mass. 
D)  excessive rigidity of some bones. 
E)  curvature of the spine.

Question 7

Which statement is false?

Accepted Answer

A)  Calcium is the most important mineral involved with bone tissue turnover. 
B)  Osteoblasts and osteoclasts are involved with the reabsorption and repair of bones. 
C)  Bone mass decreases with age. 
D)  Males have greater problems with loss of bone tissue than females do. 
E)  Marrow fills the cavities in the spaces of the spongy bone and in the center of the shaft of the bone almost as quickly as the spaces are formed. 
A)  Calcium is the most important mineral involved with bone tissue turnover. 
B)  Osteoblasts and osteoclasts are involved with the reabsorption and repair of bones. 
C)  Bone mass decreases with age. 
D)  Males have greater problems with loss of bone tissue than females do. 
E)  Marrow fills the cavities in the spaces of the spongy bone and in the center of the shaft of the bone almost as quickly as the spaces are formed.

Question 8

Cheekbones are formed by which bones?

Accepted Answer

A)  maxillary 
B)  lacrimal 
C)  palatine 
D)  zygomatic 
E)  temporal 
A)  maxillary 
B)  lacrimal 
C)  palatine 
D)  zygomatic 
E)  temporal

Question 9

Stretching and twisting a joint suddenly and too far causes a

Accepted Answer

A)  strain. 
B)  fracture. 
C)  bruise. 
D)  dislocation. 
E)  sprain. 
A)  strain. 
B)  fracture. 
C)  bruise. 
D)  dislocation. 
E)  sprain.

Question 10

Selecting the Exception Four of the five answers listed below are regions of the vertebral column. Select the exception.

Accepted Answer

A)  cervical 
B)  appendicular 
C)  lumbar 
D)  thoracic 
E)  sacral 
A)  cervical 
B)  appendicular 
C)  lumbar 
D)  thoracic 
E)  sacral

Question 11

One of the most common repetitive motion injuries is

Accepted Answer

A)  a sprained ankle. 
B)  a dislocated shoulder. 
C)  carpal tunnel syndrome. 
D)  rheumatoid arthritis. 
E)  a torn ligament. 
A)  a sprained ankle. 
B)  a dislocated shoulder. 
C)  carpal tunnel syndrome. 
D)  rheumatoid arthritis. 
E)  a torn ligament.

Question 12

The effect of mechanical stress on a bone is to

Accepted Answer

A)  make it weaker. 
B)  prompt the formation of new bone. 
C)  cause the development of osteoporosis. 
D)  reduce a bone's calcium content. 
E)  cause osteoarthritis. 
A)  make it weaker. 
B)  prompt the formation of new bone. 
C)  cause the development of osteoporosis. 
D)  reduce a bone's calcium content. 
E)  cause osteoarthritis.

Question 13

What prevents the epiphyseal plate from calcifying?

Accepted Answer

A)  thyroid hormone 
B)  oxytocin 
C)  calcium channel blockers 
D)  human growth hormone 
E)  fat 
A)  thyroid hormone 
B)  oxytocin 
C)  calcium channel blockers 
D)  human growth hormone 
E)  fat

Question 14

In the developing embryo, what precedes the formation of a long bone?

Accepted Answer

A)  cartilage 
B)  collagen 
C)  periosteum 
D)  osteons 
E)  Haversian (central) canals 
A)  cartilage 
B)  collagen 
C)  periosteum 
D)  osteons 
E)  Haversian (central) canals

Question 15

Which bone is broken most often?

Accepted Answer

A)  humerus 
B)  radius 
C)  ulna 
D)  clavicle 
E)  scapula 
A)  humerus 
B)  radius 
C)  ulna 
D)  clavicle 
E)  scapula

Question 16

An inherited skeletal disorder associated with defective collagen in bone tissue is

Accepted Answer

A)  osteogenesis imperfecta. 
B)  rheumatoid arthritis. 
C)  osteoarthritis. 
D)  osteosarcoma. 
E)  osteochondritis. 
A)  osteogenesis imperfecta. 
B)  rheumatoid arthritis. 
C)  osteoarthritis. 
D)  osteosarcoma. 
E)  osteochondritis.

Question 17

Bones in joints are connected by

Accepted Answer

A)  ligaments. 
B)  cartilage. 
C)  tendons. 
D)  fibrocartilage discs. 
E)  latticework. 
A)  ligaments. 
B)  cartilage. 
C)  tendons. 
D)  fibrocartilage discs. 
E)  latticework.

Question 18

Intervertebral discs are made of

Accepted Answer

A)  fibrocartilage. 
B)  elastic cartilage. 
C)  hyaline cartilage. 
D)  tendon. 
E)  ligament. 
A)  fibrocartilage. 
B)  elastic cartilage. 
C)  hyaline cartilage. 
D)  tendon. 
E)  ligament.

Question 19

Which element of the skeletal system assists almost every system of the body?

Accepted Answer

A)  phosphorus 
B)  calcium 
C)  magnesium 
D)  iron 
E)  manganese 
A)  phosphorus 
B)  calcium 
C)  magnesium 
D)  iron 
E)  manganese

Question 20

The bone in the thigh is the

Accepted Answer

A)  femur. 
B)  tibia. 
C)  fibula. 
D)  ulna. 
E)  scapula. 
A)  femur. 
B)  tibia. 
C)  fibula. 
D)  ulna. 
E)  scapula.

Exam 5: The Skeletal System

What forms a long bone's shaft and the outer part of its two ends?

Which factor may contribute to the development of osteoporosis?

Lacunae are

The thin, circular layers of compact bone are called

Moving a limb away from the body's midline is called

Osteoporosis is a condition characterized by

Which statement is false?

Cheekbones are formed by which bones?

Stretching and twisting a joint suddenly and too far causes a

Selecting the Exception Four of the five answers listed below are regions of the vertebral column. Select the exception.

One of the most common repetitive motion injuries is

The effect of mechanical stress on a bone is to

What prevents the epiphyseal plate from calcifying?

In the developing embryo, what precedes the formation of a long bone?

Which bone is broken most often?

An inherited skeletal disorder associated with defective collagen in bone tissue is

Bones in joints are connected by

Intervertebral discs are made of

Which element of the skeletal system assists almost every system of the body?

The bone in the thigh is the

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA, Genes, and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

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