Question 1

Where in the body does the production of precursors for the synthesis of calcitriol occur?

Accepted Answer

A)  bone 
B)  kidneys 
C)  small intestine 
D)  liver 
E)  skin 
A)  bone 
B)  kidneys 
C)  small intestine 
D)  liver 
E)  skin

Question 2

Asmall rough bump on bone where a tendon attaches is called a

Accepted Answer

A)  tubercle. 
B)  trochanter. 
C)  trochlea. 
D)  tuberosity. 
E)  trabecula. 
A)  tubercle. 
B)  trochanter. 
C)  trochlea. 
D)  tuberosity. 
E)  trabecula.

Question 3

Bones that are small, round and tend to develop in tendons are

Accepted Answer

A)  long bones. 
B)  flat bones. 
C)  sesamoid bones. 
D)  short bones. 
E)  irregular bones. 
A)  long bones. 
B)  flat bones. 
C)  sesamoid bones. 
D)  short bones. 
E)  irregular bones.

Question 4

Bones that are boxy with approximately equal dimensions are

Accepted Answer

A)  long bones. 
B)  flat bones. 
C)  sesamoid bones. 
D)  short bones. 
E)  irregular bones. 
A)  long bones. 
B)  flat bones. 
C)  sesamoid bones. 
D)  short bones. 
E)  irregular bones.

Question 5

Would you expect to see changes in blood levels of the hormones calcitonin and PTH as a result of vitaminD3deficiency? Explain.

Accepted Answer

A person deficient in vitamin D? would n

Question 6

________ bone reduces the weight of the skeleton and reduces the load on muscles.

Accepted Answer

A)  Short 
B)  Irregular 
C)  Spongy 
D)  Compact 
E)  Long 
A)  Short 
B)  Irregular 
C)  Spongy 
D)  Compact 
E)  Long

Question 7

Which of the following statements about Marfan's syndrome is false?

Accepted Answer

A)  It results in short, stubby fingers. 
B)  It results from a mutation. 
C)  It affects connective tissue structures. 
D)  It affects epiphyseal cartilages. 
E)  It may also cause cardiovascular problems. 
A)  It results in short, stubby fingers. 
B)  It results from a mutation. 
C)  It affects connective tissue structures. 
D)  It affects epiphyseal cartilages. 
E)  It may also cause cardiovascular problems.

Question 8

Of the total organic components in bone most of it is

Accepted Answer

A)  collagen. 
B)  keratin. 
C)  keratohyalin. 
D)  elastin. 
E)  actin. 
A)  collagen. 
B)  keratin. 
C)  keratohyalin. 
D)  elastin. 
E)  actin.

Question 9

The interconnecting tiny arches of bone tissue found in spongy bone are called

Accepted Answer

A)  osteons. 
B)  trabeculae. 
C)  concentric lamellae. 
D)  interstitial lamellae. 
E)  lacunae. 
A)  osteons. 
B)  trabeculae. 
C)  concentric lamellae. 
D)  interstitial lamellae. 
E)  lacunae.

Question 10

Figure 6-2 Endochondral Ossification
  
Use Figure 6-2 to answer the following question(s):
-Identify the structure labeled "2."

Accepted Answer

A)  epiphysis 
B)  diaphysis 
C)  metaphysis 
D)  marrow cavity 
E)  trabeculae 
A)  epiphysis 
B)  diaphysis 
C)  metaphysis 
D)  marrow cavity 
E)  trabeculae

Question 11

A calcified skeletal muscle is an example of

Accepted Answer

A)  bone spurs. 
B)  osteoporosis. 
C)  heterotopic bone formation. 
D)  osteodysplasia. 
E)  osteomalacia. 
A)  bone spurs. 
B)  osteoporosis. 
C)  heterotopic bone formation. 
D)  osteodysplasia. 
E)  osteomalacia.

Question 12

What type of tissue is replaced in the embryo during endochondral ossification?

Accepted Answer

A)  connective tissue membranes 
B)  fibrocartilage 
C)  mesenchymal tissue 
D)  hyaline cartilage 
E)  Wharton's jelly 
A)  connective tissue membranes 
B)  fibrocartilage 
C)  mesenchymal tissue 
D)  hyaline cartilage 
E)  Wharton's jelly

Question 13

Bone growth in length occurs by mitosis of

Accepted Answer

A)  concentric lamellae. 
B)  cartilage cells in the epiphyseal side of the metaphysis. 
C)  growth of trabeculae. 
D)  osteoblasts in the endosteum. 
E)  cartilage cells in the diaphyseal side of the metaphysis. 
A)  concentric lamellae. 
B)  cartilage cells in the epiphyseal side of the metaphysis. 
C)  growth of trabeculae. 
D)  osteoblasts in the endosteum. 
E)  cartilage cells in the diaphyseal side of the metaphysis.

Question 14

A________ is a smooth, grooved bone process shaped like a pulley.

Accepted Answer

A)  tubercle 
B)  trochanter 
C)  trochlea 
D)  tuberosity 
E)  trabeculae 
A)  tubercle 
B)  trochanter 
C)  trochlea 
D)  tuberosity 
E)  trabeculae

Question 15

Which of the following is true of osteoclasts?

Accepted Answer

A)  Osteoclasts maintain protein and mineral content of matrix. 
B)  Osteoclasts are responsible for laying down osteoid. 
C)  Osteoclasts form cytoplasmic extensions within canaliculi. 
D)  Osteoclasts are located within lacunae. 
E)  Osteoclasts secretes protein digesting enzymes and acids that dissolve matrix. 
A)  Osteoclasts maintain protein and mineral content of matrix. 
B)  Osteoclasts are responsible for laying down osteoid. 
C)  Osteoclasts form cytoplasmic extensions within canaliculi. 
D)  Osteoclasts are located within lacunae. 
E)  Osteoclasts secretes protein digesting enzymes and acids that dissolve matrix.

Question 16

________ marrow is found between the trabeculae of spongy bone.

Accepted Answer

A)  Blue 
B)  Yellow 
C)  White 
D)  Gray 
E)  Red 
A)  Blue 
B)  Yellow 
C)  White 
D)  Gray 
E)  Red

Question 17

When the epiphyseal plate is replaced by bone,

Accepted Answer

A)  puberty begins. 
B)  interstitial bone growth begins. 
C)  appositional bone growth begins. 
D)  long bones have reached their adult length. 
E)  the bone becomes more brittle. 
A)  puberty begins. 
B)  interstitial bone growth begins. 
C)  appositional bone growth begins. 
D)  long bones have reached their adult length. 
E)  the bone becomes more brittle.

Question 18

In a ________ fracture one side of the shaft is split and the other side is bent.

Accepted Answer

A)  comminuted 
B)  greenstick 
C)  compression 
D)  transverse 
E)  spiral 
A)  comminuted 
B)  greenstick 
C)  compression 
D)  transverse 
E)  spiral

Question 19

The adult skeleton contains ________ major bones.

Accepted Answer

A)  88 
B)  115 
C)  174 
D)  206 
E)  251 
A)  88 
B)  115 
C)  174 
D)  206 
E)  251

Question 20

A shallow depression on a bone is termed a

Accepted Answer

A)  fossa. 
B)  sulcus. 
C)  facet. 
D)  fissure. 
E)  line. 
A)  fossa. 
B)  sulcus. 
C)  facet. 
D)  fissure. 
E)  line.

Exam 6: Bones and Bone Structure

Where in the body does the production of precursors for the synthesis of calcitriol occur?

Asmall rough bump on bone where a tendon attaches is called a

Bones that are small, round and tend to develop in tendons are

Bones that are boxy with approximately equal dimensions are

Would you expect to see changes in blood levels of the hormones calcitonin and PTH as a result of vitaminD3deficiency? Explain.

________ bone reduces the weight of the skeleton and reduces the load on muscles.

Which of the following statements about Marfan's syndrome is false?

Of the total organic components in bone most of it is

The interconnecting tiny arches of bone tissue found in spongy bone are called

Figure 6-2 Endochondral Ossification Use Figure 6-2 to answer the following question(s): -Identify the structure labeled "2."

A calcified skeletal muscle is an example of

What type of tissue is replaced in the embryo during endochondral ossification?

Bone growth in length occurs by mitosis of

A________ is a smooth, grooved bone process shaped like a pulley.

Which of the following is true of osteoclasts?

________ marrow is found between the trabeculae of spongy bone.

When the epiphyseal plate is replaced by bone,

In a ________ fracture one side of the shaft is split and the other side is bent.

The adult skeleton contains ________ major bones.

A shallow depression on a bone is termed a

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters