Question 1

The plasma membrane of a muscle fiber is called the sarcolemma.
____________________

Accepted Answer

A) True 
 B)False

Question 2

Skeletal muscles produce movement by pulling on __________, which attach to bones.

Accepted Answer

A)  tendons 
B)  ligaments 
C)  cross bridges 
D)  articulations 
E)  sarcomeres 
A)  tendons 
B)  ligaments 
C)  cross bridges 
D)  articulations 
E)  sarcomeres

Question 3

The collagen fibers in bone are secreted by osteoblasts.
____________________

Accepted Answer

A) True 
 B)False

Question 4

Figure 40-1
Use the figure to answer the corresponding question(s).  
-Refer to Figure 40-1.Which of the following structures is the source of sebum, a substance that inhibits bacterial growth on the surface of the skin?

Accepted Answer

A)  5 
B)  7 
C)  10 
D)  11 
E)  12. 
A)  5 
B)  7 
C)  10 
D)  11 
E)  12.

Question 5

Calcium ions are stored in the sarcoplasmic reticulum.
____________________

Accepted Answer

A) True 
 B)False

Question 6

The type of tissue forming the covering around muscle fibers is:

Accepted Answer

A)  epithelial tissue. 
B)  connective tissue. 
C)  nervous tissue. 
D)  specialized muscle tissue. 
E)  synovial fluid. 
A)  epithelial tissue. 
B)  connective tissue. 
C)  nervous tissue. 
D)  specialized muscle tissue. 
E)  synovial fluid.

Question 7

An autoimmune disease in which the synovial membrane thickens and becomes inflamed is called:

Accepted Answer

A)  osteitis. 
B)  osteoporosis. 
C)  rheumatoid arthritis. 
D)  osteoarthritis. 
E)  osteon disease. 
A)  osteitis. 
B)  osteoporosis. 
C)  rheumatoid arthritis. 
D)  osteoarthritis. 
E)  osteon disease.

Question 8

The organization of muscle tissue from a macroscopic level to a microscopic one is as follows:

Accepted Answer

A)  muscle fibers $\rightarrow$ myofibrils$\rightarrow$myofilaments 
B)  muscle fibers$\rightarrow$myofilaments$\rightarrow$myofibrils. 
C)  myofibrils $\rightarrow$ muscle fibers $\rightarrow$myofilaments. 
D)  myofilaments $\rightarrow$ myofibrils $\rightarrow$muscle fibers. 
E)  muscle fibers $\rightarrow$ myofibrils $\rightarrow$myofilaments. 
A)  muscle fibers $\rightarrow$ myofibrils$\rightarrow$myofilaments 
B)  muscle fibers$\rightarrow$myofilaments$\rightarrow$myofibrils. 
C)  myofibrils $\rightarrow$ muscle fibers $\rightarrow$myofilaments. 
D)  myofilaments $\rightarrow$ myofibrils $\rightarrow$muscle fibers. 
E)  muscle fibers $\rightarrow$ myofibrils $\rightarrow$myofilaments.

Question 9

Figure 40-2
Use the figure to answer the corresponding question(s).  
-Which of the following statements about hydrostatic skeletons is true?

Accepted Answer

A)  Compression of fluids causes movement of an animal body. 
B)  Hydrostatic skeletons permit very precise and delicate movements. 
C)  Fluid is moved throughout an organism due to alternating contractions of antagonistic muscles. 
D)  Contraction of the inner circular muscles causes the body of an organism to shorten. 
E)  Contraction of the outer longitudinal muscles causes the body of an organism to lengthen. 
A)  Compression of fluids causes movement of an animal body. 
B)  Hydrostatic skeletons permit very precise and delicate movements. 
C)  Fluid is moved throughout an organism due to alternating contractions of antagonistic muscles. 
D)  Contraction of the inner circular muscles causes the body of an organism to shorten. 
E)  Contraction of the outer longitudinal muscles causes the body of an organism to lengthen.

Question 10

Figure 40-2
Use the figure to answer the corresponding question(s).  
-Which of the following statements concerning the type of support illustrated in Figure 40-2 is false?

Accepted Answer

A)  It is flexible. 
B)  It can be found in cnidarians. 
C)  It demonstrates cells working in an antagonistic fashion. 
D)  It it absent in vertebrates that have an endoskeleton. 
E)  It is dependent on fluids being noncompressible. 
A)  It is flexible. 
B)  It can be found in cnidarians. 
C)  It demonstrates cells working in an antagonistic fashion. 
D)  It it absent in vertebrates that have an endoskeleton. 
E)  It is dependent on fluids being noncompressible.

Question 11

Which of the following statements concerning malignant melanoma is false?

Accepted Answer

A)  It is the fastest growing (in number of incidents) form of skin cancer. 
B)  It is the most lethal form of skin cancer. 
C)  It is the third most common form of cancer in humans. 
D)  Its highest incidence is in light-skinned individuals. 
E)  It is caused by excessive exposure to UV irradiation. 
A)  It is the fastest growing (in number of incidents) form of skin cancer. 
B)  It is the most lethal form of skin cancer. 
C)  It is the third most common form of cancer in humans. 
D)  Its highest incidence is in light-skinned individuals. 
E)  It is caused by excessive exposure to UV irradiation.

Question 12

Figure 40-1
Use the figure to answer the corresponding question(s).  
-Refer to Figure 40-1.Which of the following structures contributes to protecting the skin from the effects of UV irradiation?

Accepted Answer

A)  3 
B)  5 
C)  7 
D)  10 
E)  11 
A)  3 
B)  5 
C)  7 
D)  10 
E)  11

Question 13

Which of the following is not a specialized function of epithelial coverings?

Accepted Answer

A)  exchange of gases 
B)  secretion of lubricants 
C)  receiving sensory signals 
D)  facilitation of flexibility for movement 
E)  temperature regulation 
A)  exchange of gases 
B)  secretion of lubricants 
C)  receiving sensory signals 
D)  facilitation of flexibility for movement 
E)  temperature regulation

Question 14

Figure 40-4
Use the figure to answer the corresponding question(s).  
-Refer to Figure 40-4.Which structure is most directly responsible for stimulating the release of calcium into the cytoplasm of the cell?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6 
A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 15

Creatine phosphate is a backup energy storage compound in muscle fibers.
____________________

Accepted Answer

A) True 
 B)False

Question 16

The Z line consists of parts of actin filaments on two adjacent sarcomeres.
____________________

Accepted Answer

A) True 
 B)False

Question 17

MATCHING
Match the muscle component with its description.
a.actin
e.sarcoplasm
b.myosin
f.sarcoplasmic reticulum
c.sarcolemma
g.troponin
d.sarcomere
h.tropomyosin
-the cytoplasm of a muscle fiber

Accepted Answer

The answer of MATCHING
Match the muscle component with its description.
a.actin
e.sarcoplasm
b.myosin
f.sarcoplasmic...

Question 18

The main shaft of a long bone is termed its epiphysis.
____________________

Accepted Answer

A) True 
 B)False

Question 19

The deepest layer of the skin is the stratum corneum.
____________________

Accepted Answer

A) True 
 B)False

Question 20

Figure 40-1
Use the figure to answer the corresponding question(s).  
-Refer to Figure 40-1.Which cells would be more active in a person with dark skin as opposed to a person with fair skin?

Accepted Answer

A)  3 
B)  5 
C)  7 
D)  10 
E)  11 
A)  3 
B)  5 
C)  7 
D)  10 
E)  11

Exam 40: Protection, Support, and Movement

The plasma membrane of a muscle fiber is called the sarcolemma. ____________________

Skeletal muscles produce movement by pulling on __________, which attach to bones.

The collagen fibers in bone are secreted by osteoblasts. ____________________

Figure 40-1 Use the figure to answer the corresponding question(s). -Refer to Figure 40-1.Which of the following structures is the source of sebum, a substance that inhibits bacterial growth on the surface of the skin?

Calcium ions are stored in the sarcoplasmic reticulum. ____________________

The type of tissue forming the covering around muscle fibers is:

An autoimmune disease in which the synovial membrane thickens and becomes inflamed is called:

The organization of muscle tissue from a macroscopic level to a microscopic one is as follows:

Figure 40-2 Use the figure to answer the corresponding question(s). -Which of the following statements about hydrostatic skeletons is true?

Figure 40-2 Use the figure to answer the corresponding question(s). -Which of the following statements concerning the type of support illustrated in Figure 40-2 is false?

Which of the following statements concerning malignant melanoma is false?

Figure 40-1 Use the figure to answer the corresponding question(s). -Refer to Figure 40-1.Which of the following structures contributes to protecting the skin from the effects of UV irradiation?

Which of the following is not a specialized function of epithelial coverings?

Figure 40-4 Use the figure to answer the corresponding question(s). -Refer to Figure 40-4.Which structure is most directly responsible for stimulating the release of calcium into the cytoplasm of the cell?

Creatine phosphate is a backup energy storage compound in muscle fibers. ____________________

The Z line consists of parts of actin filaments on two adjacent sarcomeres. ____________________

MATCHING Match the muscle component with its description. a.actin e.sarcoplasm b.myosin f.sarcoplasmic reticulum c.sarcolemma g.troponin d.sarcomere h.tropomyosin -the cytoplasm of a muscle fiber

The main shaft of a long bone is termed its epiphysis. ____________________

The deepest layer of the skin is the stratum corneum. ____________________

Figure 40-1 Use the figure to answer the corresponding question(s). -Refer to Figure 40-1.Which cells would be more active in a person with dark skin as opposed to a person with fair skin?

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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