Question 1

Proteoglycan molecules in the matrix of cartilage

Accepted Answer

A) give cartilage its resilient nature. 
B) replace collagen fibers in the matrix. 
C) make the perichondrium very stretchable. 
D) fill the lacunae. 
E) make cartilage hard and compact. 
A) give cartilage its resilient nature. 
B) replace collagen fibers in the matrix. 
C) make the perichondrium very stretchable. 
D) fill the lacunae. 
E) make cartilage hard and compact.

Question 2

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 3

Which of the following statements regarding PTH (parathyroid hormone)is true?

Accepted Answer

A) PTH causes increased Na+ reabsorption in the kidneys. 
B) PTH causes increased reabsorption of Ca2+ in the kidneys. 
C) PTH causes increased loss of Ca2+ from the kidneys. 
D) PTH causes decreased uptake of Ca2+ from the small intestine. 
E) PTH causes decreased vitamin D formation in the kidneys. 
A) PTH causes increased Na+ reabsorption in the kidneys. 
B) PTH causes increased reabsorption of Ca2+ in the kidneys. 
C) PTH causes increased loss of Ca2+ from the kidneys. 
D) PTH causes decreased uptake of Ca2+ from the small intestine. 
E) PTH causes decreased vitamin D formation in the kidneys.

Question 4

Which type of bone has concentric lamellae?

Accepted Answer

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

Question 5

Long bones grow in length at the

Accepted Answer

A) endosteum-periosteum junction. 
B) articular cartilage. 
C) center of the shaft. 
D) center of the epiphysis. 
E) epiphyseal plate. 
A) endosteum-periosteum junction. 
B) articular cartilage. 
C) center of the shaft. 
D) center of the epiphysis. 
E) epiphyseal plate.

Question 6

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 7

Which of the following is NOT a function of bone?

Accepted Answer

A) blood cell formation 
B) support 
C) calcium storage 
D) immunity 
E) movement 
A) blood cell formation 
B) support 
C) calcium storage 
D) immunity 
E) movement

Question 8

Which of the following matrix molecules in cartilage tends to trap large quantities of water?

Accepted Answer

A) proteoglycan 
B) hyaluronic acid 
C) elastin 
D) collagen 
E) chondrocytes 
A) proteoglycan 
B) hyaluronic acid 
C) elastin 
D) collagen 
E) chondrocytes

Question 9

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

Question 10

The ethmoid and sphenoid bones are formed by ___________

Accepted Answer

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

Question 11

Ligaments attach

Accepted Answer

A) muscle to bone. 
B) nerve to muscle. 
C) bone to bone. 
D) muscle to muscle. 
E) nerve to bone. 
A) muscle to bone. 
B) nerve to muscle. 
C) bone to bone. 
D) muscle to muscle. 
E) nerve to bone.

Question 12

Sixty-five year old Stephen has knee replacement surgery which requires a thin section of his distal femur to be removed.Which of the following statements is true?

Accepted Answer

A)  Due to the invasive nature of the surgical procedure,Stephen is at risk for osteomyelitis,a bacterial infection of bone. 
B)  Stephen has no risk of osteomyelitis because he tests negative for Staphylococcus aureus when given a skin swab. 
C)  The health care team informs Stephen he is at high risk for osteomyelitis due to his age. 
D)  As long as the surgery has minimal bleeding,Stephen will have no risk for developing osteomyelitis. 
A)  Due to the invasive nature of the surgical procedure,Stephen is at risk for osteomyelitis,a bacterial infection of bone. 
B)  Stephen has no risk of osteomyelitis because he tests negative for Staphylococcus aureus when given a skin swab. 
C)  The health care team informs Stephen he is at high risk for osteomyelitis due to his age. 
D)  As long as the surgery has minimal bleeding,Stephen will have no risk for developing osteomyelitis.

Question 13

Which type of bone is considered dense bone?

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 14

When blood vessels become surrounded by concentric lamella forming osteons,the bone will grow in

Accepted Answer

A) length. 
B) diameter. 
C) the epiphyseal plate. 
D) the articular cartilage. 
E) all of these areas. 
A) length. 
B) diameter. 
C) the epiphyseal plate. 
D) the articular cartilage. 
E) all of these areas.

Question 15

Cartilage

Accepted Answer

A) is surrounded by a membrane called the periosteum. 
B) is composed of osteons. 
C) is well vascularized. 
D) contains chondrocytes located in lacunae. 
E) does not need nutrients and oxygen so it has no blood vessels. 
A) is surrounded by a membrane called the periosteum. 
B) is composed of osteons. 
C) is well vascularized. 
D) contains chondrocytes located in lacunae. 
E) does not need nutrients and oxygen so it has no blood vessels.

Question 16

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 17

The longitudinal growth of long bones ceases when

Accepted Answer

A) chondroblasts take over mitosis of osteoblasts. 
B) the epiphyseal plate is completely replaced with bone tissue. 
C) the periosteum is completed. 
D) the epiphysis becomes separated from the diaphysis. 
E) the bone marrow forms. 
A) chondroblasts take over mitosis of osteoblasts. 
B) the epiphyseal plate is completely replaced with bone tissue. 
C) the periosteum is completed. 
D) the epiphysis becomes separated from the diaphysis. 
E) the bone marrow forms.

Question 18

In which type of bone would trabeculae be present?

Accepted Answer

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

Question 19

Lamellar bone

Accepted Answer

A) is very light in weight. 
B) has a porous appearance. 
C) has its collagen fibers randomly oriented. 
D) is organized into thin sheets of tissue. 
E) is not easily restructured. 
A) is very light in weight. 
B) has a porous appearance. 
C) has its collagen fibers randomly oriented. 
D) is organized into thin sheets of tissue. 
E) is not easily restructured.

Question 20

The parietal bone is formed by ___________

Accepted Answer

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

Exam 6: Skeletal System: Bones and Bone Tissue

Proteoglycan molecules in the matrix of cartilage

A passageway connecting neighboring osteocytes in an osteon is a

Which of the following statements regarding PTH (parathyroid hormone)is true?

Which type of bone has concentric lamellae?

Long bones grow in length at the

One effect of aging on the skeletal system is

Which of the following is NOT a function of bone?

Which of the following matrix molecules in cartilage tends to trap large quantities of water?

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

The ethmoid and sphenoid bones are formed by ___________

Ligaments attach

Sixty-five year old Stephen has knee replacement surgery which requires a thin section of his distal femur to be removed.Which of the following statements is true?

Which type of bone is considered dense bone?

When blood vessels become surrounded by concentric lamella forming osteons,the bone will grow in

Cartilage

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

The longitudinal growth of long bones ceases when

In which type of bone would trabeculae be present?

Lamellar bone

The parietal bone is formed by ___________

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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