Question 1

Which is true of sex hormones?

Accepted Answer

A)  They inhibit osteoblast activity. 
B)  They have no effect on bone. 
C)  They stimulate ossification of the epiphyseal plates. 
D)  Their action on bone growth is stronger in males than in females. 
A)  They inhibit osteoblast activity. 
B)  They have no effect on bone. 
C)  They stimulate ossification of the epiphyseal plates. 
D)  Their action on bone growth is stronger in males than in females. C

Question 2

Which of the following are components of the pelvic girdle?

Accepted Answer

A)  hip bones. 
B)  coxal bones. 
C)  sacrum. 
D)  all of the above. 
A)  hip bones. 
B)  coxal bones. 
C)  sacrum. 
D)  all of the above. A

Question 3

The first cervical vertebra is the axis and the second is the atlas.

Accepted Answer

A) True 
 B)False  False

Question 4

Intervertebral discs are formed of skeletal muscle.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following groups of bones, based on shape, is associated with an incorrect example?

Accepted Answer

A)  Long bones - forearm bones 
B)  Short bones - wrist and ankle bones 
C)  Flat bones - thigh bones 
D)  Irregular bones - vertebrae 
A)  Long bones - forearm bones 
B)  Short bones - wrist and ankle bones 
C)  Flat bones - thigh bones 
D)  Irregular bones - vertebrae

Question 6

Osteoclasts are bone-resorbing cells, whereas osteoblasts are bone-forming cells.

Accepted Answer

A) True 
 B)False

Question 7

The thyroid hormone thyroxine ______.

Accepted Answer

A)  increases cartilage production in the epiphyseal plate 
B)  stimulates osteoclasts 
C)  stimulates replacement of cartilage with bone in the epiphyseal plate 
D)  removes calcium from bone 
A)  increases cartilage production in the epiphyseal plate 
B)  stimulates osteoclasts 
C)  stimulates replacement of cartilage with bone in the epiphyseal plate 
D)  removes calcium from bone

Question 8

Osteoporosis is more severe than osteopenia.

Accepted Answer

A) True 
 B)False

Question 9

The number of bones in the skeletal system is

Accepted Answer

A)  the same for everyone. 
B)  more for males than females. 
C)  more for females than males. 
D)  variable. 
A)  the same for everyone. 
B)  more for males than females. 
C)  more for females than males. 
D)  variable.

Question 10

Which of the following describes a female's pelvis compared to a male's pelvis?

Accepted Answer

A)  A cavity that is wider in all dimensions, with lighter bones. 
B)  A cavity that is narrower in all dimensions, with lighter bones. 
C)  A cavity that is wider in all dimensions, with heavier bones. 
D)  A cavity that is narrower in all dimensions, with heavier bones. 
A)  A cavity that is wider in all dimensions, with lighter bones. 
B)  A cavity that is narrower in all dimensions, with lighter bones. 
C)  A cavity that is wider in all dimensions, with heavier bones. 
D)  A cavity that is narrower in all dimensions, with heavier bones.

Question 11

Exercise ______ and _______ bones.

Accepted Answer

A)  thickens; elongates 
B)  elongates; weakens 
C)  thickens; strengthens 
D)  thins; atrophies 
A)  thickens; elongates 
B)  elongates; weakens 
C)  thickens; strengthens 
D)  thins; atrophies

Question 12

Peter receives a blow to the front of the knee on the soccer field and collapses. The bruised bone is the ___________.

Accepted Answer

The answer of Peter receives a blow to the front...

Question 13

Which of the following is not a step in endochondral bone formation?

Accepted Answer

A)  Hyaline cartilage develops into the shape of the future bone. 
B)  Periosteum forms from connective tissue outside the developing bone. 
C)  Hyaline cartilage changes to adipose tissue. 
D)  Osteoblasts deposit osseous tissue in place of disintegrating cartilage. 
A)  Hyaline cartilage develops into the shape of the future bone. 
B)  Periosteum forms from connective tissue outside the developing bone. 
C)  Hyaline cartilage changes to adipose tissue. 
D)  Osteoblasts deposit osseous tissue in place of disintegrating cartilage.

Question 14

The zygomatic bone is an example of a(n)

Accepted Answer

A)  long bone. 
B)  flat bone. 
C)  short bone. 
D)  irregular bone. 
A)  long bone. 
B)  flat bone. 
C)  short bone. 
D)  irregular bone.

Question 15

Testosterone has a stronger effect on epiphyseal plates than estrogens.

Accepted Answer

A) True 
 B)False

Question 16

A bone lengthens

Accepted Answer

A)  as a result of cell division in the medullary cavity. 
B)  due to increased production of bone matrix by osteoclasts. 
C)  as a result of increased activity within the epiphyseal plate. 
D)  as compact bone is deposited beneath the periosteum of the diaphysis. 
A)  as a result of cell division in the medullary cavity. 
B)  due to increased production of bone matrix by osteoclasts. 
C)  as a result of increased activity within the epiphyseal plate. 
D)  as compact bone is deposited beneath the periosteum of the diaphysis.

Question 17

Bones are classified as irregular, flat, short, or long.

Accepted Answer

A) True 
 B)False

Question 18

Which three bones fuse to form the hip bone?

Accepted Answer

A)  the ilium, the femur, and the pubis. 
B)  the ilium, the sacrum, and the pubis. 
C)  the ischium, the coccyx, and the pubis. 
D)  the ilium, the ischium, and the pubis. 
A)  the ilium, the femur, and the pubis. 
B)  the ilium, the sacrum, and the pubis. 
C)  the ischium, the coccyx, and the pubis. 
D)  the ilium, the ischium, and the pubis.

Question 19

Blood cell formation is called osteogenesis.

Accepted Answer

A) True 
 B)False

Question 20

The sternum develops in three parts: the lower manubrium, middle body, and upper xiphoid.

Accepted Answer

A) True 
 B)False

Exam 7: Skeletal System

Which is true of sex hormones?

Which of the following are components of the pelvic girdle?

The first cervical vertebra is the axis and the second is the atlas.

Intervertebral discs are formed of skeletal muscle.

Which of the following groups of bones, based on shape, is associated with an incorrect example?

Osteoclasts are bone-resorbing cells, whereas osteoblasts are bone-forming cells.

The thyroid hormone thyroxine ______.

Osteoporosis is more severe than osteopenia.

The number of bones in the skeletal system is

Which of the following describes a female's pelvis compared to a male's pelvis?

Exercise ______ and _______ bones.

Peter receives a blow to the front of the knee on the soccer field and collapses. The bruised bone is the ___________.

Which of the following is not a step in endochondral bone formation?

The zygomatic bone is an example of a(n)

Testosterone has a stronger effect on epiphyseal plates than estrogens.

A bone lengthens

Bones are classified as irregular, flat, short, or long.

Which three bones fuse to form the hip bone?

Blood cell formation is called osteogenesis.

The sternum develops in three parts: the lower manubrium, middle body, and upper xiphoid.

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Division of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

Filters

Exercise and _ bones.