Question 1

In a negative feedback system, ____.

Accepted Answer

A)  the response of the integrator is aligned with the output of the sensor 
B)  a sensor brings the system back to the setpoint 
C)  a steady state condition cannot be identified 
D)  the response of the integrator is opposite the output of the sensor 
E)  the resulting outcome is always greater than the input 
A)  the response of the integrator is aligned with the output of the sensor 
B)  a sensor brings the system back to the setpoint 
C)  a steady state condition cannot be identified 
D)  the response of the integrator is opposite the output of the sensor 
E)  the resulting outcome is always greater than the input

Question 2

The ability of animals to adjust to seasonal changes in temperature is called:

Accepted Answer

A)  acclimatization. 
B)  estivation. 
C)  homeostatic adjustment. 
D)  torpor. 
E)  hibernation. 
A)  acclimatization. 
B)  estivation. 
C)  homeostatic adjustment. 
D)  torpor. 
E)  hibernation.

Question 3

Briefly discuss five ways to decrease one's risk of developing cancer..

Accepted Answer

The boxed essay on textbook fo

Question 4

Epithelial tissues are attached to the underlying tissues by a basement membrane. 
____________________

Accepted Answer

A) True 
 B)False

Question 5

Studies suggest that to become malignant, neoplasms must establish

Accepted Answer

A)  contact inhibition. 
B)  a blood supply. 
C)  a nutrient source. 
D)  a second genetic mutation. 
E)  uncontrolled mutations. 
A)  contact inhibition. 
B)  a blood supply. 
C)  a nutrient source. 
D)  a second genetic mutation. 
E)  uncontrolled mutations.

Question 6

Which types of cells or cell components play an essential role in the clotting of blood?

Accepted Answer

A)  erythrocytes 
B)  platelets 
C)  leukocytes 
D)  hemoglobin 
E)  plasma 
A)  erythrocytes 
B)  platelets 
C)  leukocytes 
D)  hemoglobin 
E)  plasma

Question 7

Briefly discuss the structure and function and cardiac muscle.

Accepted Answer

The fibers of cardiac muscle join end to

Question 8

Bone cells communicate with one another by:

Accepted Answer

A)  Haversian canals. 
B)  cellular extensions running through canaliculi. 
C)  lymphatic vessels. 
D)  diffusion through lamellae. 
E)  epithelial tissue. 
A)  Haversian canals. 
B)  cellular extensions running through canaliculi. 
C)  lymphatic vessels. 
D)  diffusion through lamellae. 
E)  epithelial tissue.

Question 9

Briefly discuss behavioral mechanisms that ectotherms can use to regulate their body temperature.

Accepted Answer

Behavioral mechanisms include burrowing

Question 10

Platelets are cellular fragments. 
____________________

Accepted Answer

A) True 
 B)False

Question 11

Homeostatic mechanisms are processes that:

Accepted Answer

A)  connect distant parts of the body by transporting materials. 
B)  store and release fuel needed for cellular respiration. 
C)  maintain a relatively constant internal environment. 
D)  are not affected by stressors. 
E)  deviate from a setpoint. 
A)  connect distant parts of the body by transporting materials. 
B)  store and release fuel needed for cellular respiration. 
C)  maintain a relatively constant internal environment. 
D)  are not affected by stressors. 
E)  deviate from a setpoint.

Question 12

Figure 39-1   The type of tissue illustrated in the accompanying figure is:

Accepted Answer

A)  elastic connective tissue. 
B)  simple squamous epithelium. 
C)  pseudostratified epithelium. 
D)  cartilage. 
E)  adipose tissue. 
A)  elastic connective tissue. 
B)  simple squamous epithelium. 
C)  pseudostratified epithelium. 
D)  cartilage. 
E)  adipose tissue.

Question 13

The human body's "thermostat" is the hypothalamus . 
____________________

Accepted Answer

A) True 
 B)False

Question 14

In bone, capillaries and nerves pass through Haversian canals . 
____________________

Accepted Answer

A) True 
 B)False

Question 15

Which statement best represents the difference between ectotherms and endotherms?

Accepted Answer

A)  Ectotherms rely on homeostatic mechanisms to maintain body temperature. 
B)  Ectotherms have a very high daily energy expenditure. 
C)  Endotherms rely on behavior modification to maintain their body temperature. 
D)  Ectotherms derive heat from metabolic processes. 
E)  Ectotherms animals outnumber endotherms. 
A)  Ectotherms rely on homeostatic mechanisms to maintain body temperature. 
B)  Ectotherms have a very high daily energy expenditure. 
C)  Endotherms rely on behavior modification to maintain their body temperature. 
D)  Ectotherms derive heat from metabolic processes. 
E)  Ectotherms animals outnumber endotherms.

Question 16

Cuboidal epithelial cells are thin, flat cells. 
____________________

Accepted Answer

A) True 
 B)False

Question 17

Positive feedback systems restore homeostasis.

Accepted Answer

A) True 
 B)False

Question 18

Which pairing accurately describes a one specific type of muscle tissue?

Accepted Answer

A)  smooth muscle tissue - voluntary contraction 
B)  cardiac muscle tissue - involuntary contraction 
C)  smooth muscle tissue - attached to skeleton 
D)  skeletal muscle tissue - one nuclei per cell 
E)  skeletal muscle tissue - slowest speed of contraction 
A)  smooth muscle tissue - voluntary contraction 
B)  cardiac muscle tissue - involuntary contraction 
C)  smooth muscle tissue - attached to skeleton 
D)  skeletal muscle tissue - one nuclei per cell 
E)  skeletal muscle tissue - slowest speed of contraction

Question 19

Exocrine glands:

Accepted Answer

A)  have a duct. 
B)  cannot secrete mucus. 
C)  are made of endothelial tissue. 
D)  secrete hormones. 
E)  transport products through interstitial fluid. 
A)  have a duct. 
B)  cannot secrete mucus. 
C)  are made of endothelial tissue. 
D)  secrete hormones. 
E)  transport products through interstitial fluid.

Question 20

Ectotherms depend on the environment for their body heat. 
____________________

Accepted Answer

A) True 
 B)False

Exam 39: Animal Structure and Function an Introduction

In a negative feedback system, ____.

The ability of animals to adjust to seasonal changes in temperature is called:

Briefly discuss five ways to decrease one's risk of developing cancer..

Epithelial tissues are attached to the underlying tissues by a basement membrane. ____________________

Studies suggest that to become malignant, neoplasms must establish

Which types of cells or cell components play an essential role in the clotting of blood?

Briefly discuss the structure and function and cardiac muscle.

Bone cells communicate with one another by:

Briefly discuss behavioral mechanisms that ectotherms can use to regulate their body temperature.

Platelets are cellular fragments. ____________________

Homeostatic mechanisms are processes that:

Figure 39-1 The type of tissue illustrated in the accompanying figure is:

The human body's "thermostat" is the hypothalamus . ____________________

In bone, capillaries and nerves pass through Haversian canals . ____________________

Which statement best represents the difference between ectotherms and endotherms?

Cuboidal epithelial cells are thin, flat cells. ____________________

Positive feedback systems restore homeostasis.

Which pairing accurately describes a one specific type of muscle tissue?

Exocrine glands:

Ectotherms depend on the environment for their body heat. ____________________

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

Protection Support and Movement

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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