Question 1

One effect of aging on the skeletal system is

Accepted Answer

A)  decreased collagen fibers. 
B)  Decreased bone matrix and decreased collagen fibers are effects of aging. 
C)  decreased bone matrix. 
D)  increased bone density. 
E)  increased elastic fibers. 
A)  decreased collagen fibers. 
B)  Decreased bone matrix and decreased collagen fibers are effects of aging. 
C)  decreased bone matrix. 
D)  increased bone density. 
E)  increased elastic fibers.

Question 2

Bones are classified as one of four types, based on their shapes. The bones of the cranium are examples of ______ bones.

Accepted Answer

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

Question 3

A band of connective tissue that attaches a muscle to a bone is a(n)

Accepted Answer

A)  bursa. 
B)  aponeurosis. 
C)  epimysium. 
D)  tendon. 
E)  ligament. 
A)  bursa. 
B)  aponeurosis. 
C)  epimysium. 
D)  tendon. 
E)  ligament.

Question 4

Some flat and irregular bones of the skull have air-filled spaces called

Accepted Answer

A)  sinuses. 
B)  trabeculae. 
C)  epiphyseal spaces. 
D)  medullary cavities. 
E)  lacunae. 
A)  sinuses. 
B)  trabeculae. 
C)  epiphyseal spaces. 
D)  medullary cavities. 
E)  lacunae.

Question 5

The medullary cavity is

Accepted Answer

A)  the site where osteoblasts are found. 
B)  filled with fibrocartilage and elastin fibers. 
C)  dead space in the bone. 
D)  lined with endosteum. 
E)  empty in adult bones. 
A)  the site where osteoblasts are found. 
B)  filled with fibrocartilage and elastin fibers. 
C)  dead space in the bone. 
D)  lined with endosteum. 
E)  empty in adult bones.

Question 6

Bones that are thin and have a broad curved shape are classified as ______ bones.

Accepted Answer

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

Question 7

Which of the following events occurs last in intramembranous ossification?

Accepted Answer

A)  Cancellous bone is formed. 
B)  Periosteum is formed. 
C)  Many tiny trabeculae of woven bone develop. 
D)  A membrane of delicate collagen fibers develops. 
E)  Osteoprogenitor cells become osteoblasts. 
A)  Cancellous bone is formed. 
B)  Periosteum is formed. 
C)  Many tiny trabeculae of woven bone develop. 
D)  A membrane of delicate collagen fibers develops. 
E)  Osteoprogenitor cells become osteoblasts.

Question 8

The inferior portion of the occipital bone is formed by ___________

Accepted Answer

A)  endochondral ossification 
B)  intramembranous ossification 
A)  endochondral ossification 
B)  intramembranous ossification

Question 9

A passageway connecting neighboring osteocytes in an osteon is a

Accepted Answer

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

Question 10

What does structure "E" represent on the bone diagram?

Accepted Answer

A)  cancellous bone 
B)  articular cartilage 
C)  diaphysis 
D)  epiphysis 
E)  epiphyseal lines 
A)  cancellous bone 
B)  articular cartilage 
C)  diaphysis 
D)  epiphysis 
E)  epiphyseal lines

Question 11

During development, some bones arise from thick connective tissue membranes in a process known as ______ bone formation, and other bones arise from a hyaline cartilage model in a process known as ______ bone formation.

Accepted Answer

A)  endochondral; intramembranous 
B)  intramembranous; endochondral 
A)  endochondral; intramembranous 
B)  intramembranous; endochondral

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 type of bone cells have ruffled borders and secrete acids?

Accepted Answer

A)  osteoblasts 
B)  osteochondral progenitor cell 
C)  osteoclasts 
D)  osteocytes 
A)  osteoblasts 
B)  osteochondral progenitor cell 
C)  osteoclasts 
D)  osteocytes

Question 14

The processes of intramembranous and endochondral ossification are similar in several respects. Which of the following statements applies to both intramembranous and endochondral ossification?

Accepted Answer

A)  Both processes require a precursor of connective tissue membranes. 
B)  Both processes form woven bone. 
C)  Both only form flat bones. 
D)  Chondrocytes participate in both processes. 
E)  In both processes, bone replaces cartilage. 
A)  Both processes require a precursor of connective tissue membranes. 
B)  Both processes form woven bone. 
C)  Both only form flat bones. 
D)  Chondrocytes participate in both processes. 
E)  In both processes, bone replaces cartilage.

Question 15

In which type of bone would osteons be present?

Accepted Answer

A)  compact bone 
B)  spongy bone 
C)  both spongy and compact 
A)  compact bone 
B)  spongy bone 
C)  both spongy and compact

Question 16

A young woman is in a car accident. When she regains consciousness, she notices a sharp pain in her left arm. Looking down, she sees a bone sticking out. This is a compound fracture.

Accepted Answer

A) True 
 B)False

Question 17

The proportion of collagen to hydroxyapatite in bone determines the

Accepted Answer

A)  thickness of the bone. 
B)  strength of the bone. 
C)  growth rate of bone. 
D)  ability of the bone to heal. 
E)  length of the bone. 
A)  thickness of the bone. 
B)  strength of the bone. 
C)  growth rate of bone. 
D)  ability of the bone to heal. 
E)  length of the bone.

Question 18

Normal bone growth requires adequate amounts of _____, _____, and _____ in the diet.

Accepted Answer

A)  potassium, calcium, and vitamin D 
B)  vitamin D, phosphate, and chloride 
C)  calcium, phosphate, and vitamin D 
D)  vitamin E, vitamin B, and vitamin A 
E)  sodium, calcium, and vitamin E 
A)  potassium, calcium, and vitamin D 
B)  vitamin D, phosphate, and chloride 
C)  calcium, phosphate, and vitamin D 
D)  vitamin E, vitamin B, and vitamin A 
E)  sodium, calcium, and vitamin E

Question 19

Bones that are longer than they are wide and generally have enlarged ends for articulations are classified as ______ bones.

Accepted Answer

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

Question 20

Bone growth of the epiphysis occurs at the

Accepted Answer

A)  diaphysis. 
B)  joint cavity. 
C)  epiphyseal plate. 
D)  perichondrium. 
E)  articular cartilage. 
A)  diaphysis. 
B)  joint cavity. 
C)  epiphyseal plate. 
D)  perichondrium. 
E)  articular cartilage.

Exam 6: Skeletal System: Bones and Bone Tissue

One effect of aging on the skeletal system is

Bones are classified as one of four types, based on their shapes. The bones of the cranium are examples of ______ bones.

A band of connective tissue that attaches a muscle to a bone is a(n)

Some flat and irregular bones of the skull have air-filled spaces called

The medullary cavity is

Bones that are thin and have a broad curved shape are classified as ______ bones.

Which of the following events occurs last in intramembranous ossification?

The inferior portion of the occipital bone is formed by ___________

A passageway connecting neighboring osteocytes in an osteon is a

What does structure "E" represent on the bone diagram?

During development, some bones arise from thick connective tissue membranes in a process known as ______ bone formation, and other bones arise from a hyaline cartilage model in a process known as ______ bone formation.

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

Which type of bone cells have ruffled borders and secrete acids?

The processes of intramembranous and endochondral ossification are similar in several respects. Which of the following statements applies to both intramembranous and endochondral ossification?

In which type of bone would osteons be present?

A young woman is in a car accident. When she regains consciousness, she notices a sharp pain in her left arm. Looking down, she sees a bone sticking out. This is a compound fracture.

The proportion of collagen to hydroxyapatite in bone determines the

Normal bone growth requires adequate amounts of _____, _____, and _____ in the diet.

Bones that are longer than they are wide and generally have enlarged ends for articulations are classified as ______ bones.

Bone growth of the epiphysis occurs at the

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Gross Anatomy

Joints 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-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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During development, some bones arise from thick connective tissue membranes in a process known as bone formation, and other bones arise from a hyaline cartilage model in a process known as bone formation.

Normal bone growth requires adequate amounts of ___, _, and ___ in the diet.