Question 1

Cardiac muscle fibers are electrically coupled by junctions called intercalated discs.

Accepted Answer

A) True 
 B)False

Question 2

Figure 40-1 ​
 
​
Refer to the accompanying figure. Which structure of the skin represents the sweat gland?

Accepted Answer

A)  1 
B)  6 
C)  11 
D)  14 
E)  15 
A)  1 
B)  6 
C)  11 
D)  14 
E)  15

Question 3

The function of synovial fluid is to

Accepted Answer

A)  store calcium. 
B)  reduce friction. 
C)  produce marrow. 
D)  carry nutrients. 
E)  resorb bone. 
A)  store calcium. 
B)  reduce friction. 
C)  produce marrow. 
D)  carry nutrients. 
E)  resorb bone.

Question 4

Which process is an example of a function carried out by the skeletal system?

Accepted Answer

A)  Transmission of mechanical forces 
B)  Conduction of nerve impulses 
C)  Regulation of body temperature 
D)  Transportation of hemoglobin 
E)  Contraction of muscle fibers 
A)  Transmission of mechanical forces 
B)  Conduction of nerve impulses 
C)  Regulation of body temperature 
D)  Transportation of hemoglobin 
E)  Contraction of muscle fibers

Question 5

Many insects must warm up before they fly in order to

Accepted Answer

A)  generate hemolymph. 
B)  increase ATP synthesis. 
C)  enhance gas exchange. 
D)  elevate actin synthesis. 
E)  diminish muscle rigidity. 
A)  generate hemolymph. 
B)  increase ATP synthesis. 
C)  enhance gas exchange. 
D)  elevate actin synthesis. 
E)  diminish muscle rigidity.

Question 6

Match between columns
                        Premises: Calcium ions bind directly to this protein

Accepted Answer

The Answer of Sarcomere and Actin and Sarcoplasm and Troponin is...

Question 7

The breast muscle of geese have ____, while those of chickens have _____.

Accepted Answer

A)  white fibers; red fibers 
B)  slow-oxidative fibers; fast-glycolytic fibers 
C)  red fibers; fast-oxidative fibers 
D)  red fibers; slow-oxidative fibers 
E)  slow-oxidative fibers; fast-oxidative fibers 
A)  white fibers; red fibers 
B)  slow-oxidative fibers; fast-glycolytic fibers 
C)  red fibers; fast-oxidative fibers 
D)  red fibers; slow-oxidative fibers 
E)  slow-oxidative fibers; fast-oxidative fibers

Question 8

How is the structure of insect flight muscles adapted to their function?

Accepted Answer

Insect flight muscles have a l

Question 9

The axial skeleton of vertebrates consists of the bones of the limbs, the pectoral girdle, and most of the pelvic girdle.

Accepted Answer

A) True 
 B)False

Question 10

Match between columns
                        Premises: Stores calcium ions

Accepted Answer

The Answer of Sarcoplasm and Sarcoplasmic reticulum and T tubule is...

Question 11

Troponin and tropomyosin regulate

Accepted Answer

A)  calcium storage and release. 
B)  actin and myosin interactions. 
C)  action potential transmission. 
D)  acetylcholine storage and release. 
E)  rate of muscle fiber division. 
A)  calcium storage and release. 
B)  actin and myosin interactions. 
C)  action potential transmission. 
D)  acetylcholine storage and release. 
E)  rate of muscle fiber division.

Question 12

The difference between spongy bone and compact bone is that spongy bone

Accepted Answer

A)  is found near the surfaces of bone, while compact bone is found interiorly. 
B)  consists of osteons, while the compact consists of thin strands of bone. 
C)  is filled with red bone marrow, while compact bone is not 
D)  occupies the diaphysis, while compact bone occupies the epiphysis. 
E)  is involved in bone development, while compact bone is not. 
A)  is found near the surfaces of bone, while compact bone is found interiorly. 
B)  consists of osteons, while the compact consists of thin strands of bone. 
C)  is filled with red bone marrow, while compact bone is not 
D)  occupies the diaphysis, while compact bone occupies the epiphysis. 
E)  is involved in bone development, while compact bone is not.

Question 13

The body of a cnidarian is supported by a hydrostatic skeleton.

Accepted Answer

A) True 
 B)False

Question 14

Match between columns
                        Premises: Cytoplasm of a muscle fiber

Accepted Answer

The Answer of Sarcomere and Acetylcholine and Myosin and T is...

Question 15

The condition that is characterized by a loss of calcium from the bone is called

Accepted Answer

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

Exam 40: Protection, Support, and Movement

Cardiac muscle fibers are electrically coupled by junctions called intercalated discs.

Figure 40-1 ​ ​ Refer to the accompanying figure. Which structure of the skin represents the sweat gland?

The function of synovial fluid is to

Which process is an example of a function carried out by the skeletal system?

Many insects must warm up before they fly in order to

The breast muscle of geese have ____, while those of chickens have _____.

How is the structure of insect flight muscles adapted to their function?

The axial skeleton of vertebrates consists of the bones of the limbs, the pectoral girdle, and most of the pelvic girdle.

Troponin and tropomyosin regulate

The difference between spongy bone and compact bone is that spongy bone

The body of a cnidarian is supported by a hydrostatic skeleton.

The condition that is characterized by a loss of calcium from the bone is called

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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Figure 40-1 Refer to the accompanying figure. Which structure of the skin represents the sweat gland?

The breast muscle of geese have , while those of chickens have _.