Question 1

If a person is suffering from heat stroke,which organ system is failing?

Accepted Answer

A) skeletal system 
B) digestive system 
C) nervous system 
D) circulatory system 
A) skeletal system 
B) digestive system 
C) nervous system 
D) circulatory system

Question 2

At high temperatures this animal loses water rapidly.To prevent dehydration,this animal's nephrons should ________.

Accepted Answer

A) increase reabsorption 
B) decrease reabsorption 
C) increase secretion 
D) decrease secretion 
A) increase reabsorption 
B) decrease reabsorption 
C) increase secretion 
D) decrease secretion

Question 3

The figure below shows that ________.

Accepted Answer

A) homeostatic mechanisms allow cats to sense their external environments 
B) homeostatic mechanisms allow cats to use their internal conditions to affect their external environments 
C) cats experience no variations in their internal conditions 
D) homeostatic mechanisms allow cats to maintain relatively constant internal conditions even when the external environment changes 
A) homeostatic mechanisms allow cats to sense their external environments 
B) homeostatic mechanisms allow cats to use their internal conditions to affect their external environments 
C) cats experience no variations in their internal conditions 
D) homeostatic mechanisms allow cats to maintain relatively constant internal conditions even when the external environment changes

Question 4

What kind of connective tissue has a matrix that is strong and flexible?

Accepted Answer

A) bone 
B) adipose tissue 
C) loose connective tissue 
D) cartilage 
A) bone 
B) adipose tissue 
C) loose connective tissue 
D) cartilage

Question 5

In humans,goosebumps are a vestige of a mammalian adaptation related to ________.

Accepted Answer

A) thermoregulation 
B) water conservation 
C) osmoregulation 
D) positive feedback 
A) thermoregulation 
B) water conservation 
C) osmoregulation 
D) positive feedback

Question 6

Which of the following is NOT a true statement about organs?

Accepted Answer

A) An organ represents a higher level of structure than the tissues composing it. 
B) An organ consists of several tissues. 
C) An organ can carry out only the functions of its component tissues. 
D) An organ consists of many cells. 
A) An organ represents a higher level of structure than the tissues composing it. 
B) An organ consists of several tissues. 
C) An organ can carry out only the functions of its component tissues. 
D) An organ consists of many cells.

Question 7

When foraging spiders are too hot,they retreat into their burrows.What type of feedback system does this indicate?

Accepted Answer

A) hormonal feedback 
B) positive feedback 
C) negative feedback 
D) positive and negative feedback 
A) hormonal feedback 
B) positive feedback 
C) negative feedback 
D) positive and negative feedback

Question 8

Which is the most abundant kind of tissue in most animals?

Accepted Answer

A) connective 
B) epithelial 
C) blood 
D) muscle 
A) connective 
B) epithelial 
C) blood 
D) muscle

Question 9

Which type of tissue forms an electrical communication system within the body?

Accepted Answer

A) nervous 
B) blood 
C) connective 
D) muscle 
A) nervous 
B) blood 
C) connective 
D) muscle

Question 10

Which of the following is a function of the kidneys? I)elimination of urea
II)reabsorption of valuable solutes
III)reabsorbing water

Accepted Answer

A) I 
B) II 
C) III 
D) all of the above 
A) I 
B) II 
C) III 
D) all of the above

Question 11

Most homeostatic mechanisms depend on ________.

Accepted Answer

A) positive and negative feedback 
B) negative feedback 
C) predictable environmental conditions 
D) predictable internal conditions 
A) positive and negative feedback 
B) negative feedback 
C) predictable environmental conditions 
D) predictable internal conditions

Question 12

A physiologist is a biologist who studies the ________.

Accepted Answer

A) structure of living things 
B) structure of body parts 
C) evolution of animals 
D) function of body parts 
A) structure of living things 
B) structure of body parts 
C) evolution of animals 
D) function of body parts

Question 13

Based on the information in the paragraphs,spiders are ________.

Accepted Answer

A) ectotherms 
B) endotherms 
C) sometimes ectotherms and sometimes endotherms 
D) neither ectotherms nor endotherms 
A) ectotherms 
B) endotherms 
C) sometimes ectotherms and sometimes endotherms 
D) neither ectotherms nor endotherms

Question 14

Bone is a type of ________.

Accepted Answer

A) connective tissue 
B) epithelial tissue 
C) extracellular matrix 
D) adipose tissue 
A) connective tissue 
B) epithelial tissue 
C) extracellular matrix 
D) adipose tissue

Question 15

Connective tissue is different from the other major tissue types in that ________.

Accepted Answer

A) it is made up of cells 
B) the cells are sparsely scattered through an extracellular matrix 
C) it is not made up of cells 
D) it is found only in humans 
A) it is made up of cells 
B) the cells are sparsely scattered through an extracellular matrix 
C) it is not made up of cells 
D) it is found only in humans

Question 16

The basic unit of nervous tissue is the ________.

Accepted Answer

A) dendrite 
B) axon 
C) neuron 
D) brain 
A) dendrite 
B) axon 
C) neuron 
D) brain

Question 17

Involuntary muscle includes ________.

Accepted Answer

A) skeletal muscle only 
B) smooth muscle only 
C) smooth muscle and cardiac muscle 
D) smooth muscle,cardiac muscle,and some skeletal muscle 
A) skeletal muscle only 
B) smooth muscle only 
C) smooth muscle and cardiac muscle 
D) smooth muscle,cardiac muscle,and some skeletal muscle

Question 18

Which of the following animals is an ectotherm?

Accepted Answer

A) human 
B) parrot 
C) spiny lobster 
D) field mouse 
A) human 
B) parrot 
C) spiny lobster 
D) field mouse

Question 19

In animals,individual cells are grouped into ________.

Accepted Answer

A) organs 
B) tissues 
C) organisms 
D) organ systems 
A) organs 
B) tissues 
C) organisms 
D) organ systems

Question 20

When body temperature is too low,which of the following occurs?

Accepted Answer

A) Blood vessels in the skin constrict. 
B) Muscles relax. 
C) Sweat glands are activated. 
D) Blood vessels at the body surface dilate and fill with blood. 
A) Blood vessels in the skin constrict. 
B) Muscles relax. 
C) Sweat glands are activated. 
D) Blood vessels at the body surface dilate and fill with blood.

Exam 21: Unifying Concepts of Animal Structure and Function

If a person is suffering from heat stroke,which organ system is failing?

At high temperatures this animal loses water rapidly.To prevent dehydration,this animal's nephrons should ________.

The figure below shows that ________.

What kind of connective tissue has a matrix that is strong and flexible?

In humans,goosebumps are a vestige of a mammalian adaptation related to ________.

Which of the following is NOT a true statement about organs?

When foraging spiders are too hot,they retreat into their burrows.What type of feedback system does this indicate?

Which is the most abundant kind of tissue in most animals?

Which type of tissue forms an electrical communication system within the body?

Which of the following is a function of the kidneys? I)elimination of urea II)reabsorption of valuable solutes III)reabsorbing water

Most homeostatic mechanisms depend on ________.

A physiologist is a biologist who studies the ________.

Based on the information in the paragraphs,spiders are ________.

Bone is a type of ________.

Connective tissue is different from the other major tissue types in that ________.

The basic unit of nervous tissue is the ________.

Involuntary muscle includes ________.

Which of the following animals is an ectotherm?

In animals,individual cells are grouped into ________.

When body temperature is too low,which of the following occurs?

Introduction: Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous,Sensory,and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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