Question 1

-This tissue is:

Accepted Answer

A) adipose tissue. 
B) cardiac muscle. 
C) nerve tissue. 
D) simple epithelium. 
E) smooth muscle. 
A) adipose tissue. 
B) cardiac muscle. 
C) nerve tissue. 
D) simple epithelium. 
E) smooth muscle.

Question 2

How do exocrine glands differ from endocrine glands?

Accepted Answer

Exocrine glands secrete substa

Question 3

This feedback loop is an example of ________ feedback.

Accepted Answer

A) positive 
B) negative 
A) positive 
B) negative

Question 4

Most body systems maintain homeostasis through ________ systems.

Accepted Answer

A) positive feedback 
B) negative feedback 
C) monitoring 
D) alternating 
E) redundant 
A) positive feedback 
B) negative feedback 
C) monitoring 
D) alternating 
E) redundant

Question 5

In addition to the nervous system, which vertebrate organ system controls physiological processes in animals?

Accepted Answer

A) reproductive 
B) skeletal 
C) muscular 
D) endocrine 
E) respiratory 
A) reproductive 
B) skeletal 
C) muscular 
D) endocrine 
E) respiratory

Question 6

In humans, the body needs to maintain oxygen levels within narrow homeostatic ranges. If the blood oxygen level drops below that range, the body responds by:

Accepted Answer

A) using negative feedback loops to further lower the oxygen level. 
B) using positive feedback to raise the oxygen level. 
C) using negative feedback loops to return the oxygen level to normal. 
D) using positive feedback to further lower the oxygen level. 
E) setting this lower oxygen level as the new normal. 
A) using negative feedback loops to further lower the oxygen level. 
B) using positive feedback to raise the oxygen level. 
C) using negative feedback loops to return the oxygen level to normal. 
D) using positive feedback to further lower the oxygen level. 
E) setting this lower oxygen level as the new normal.

Question 7

Tightly packed collagen fibers arranged in either parallel rows or meshwork are characteristic of ________ connective tissue.

Accepted Answer

The answer of Tightly packed collagen fibers arranged in either...

Question 8

An organism's ability to maintain a consistent blood pH requires:

Accepted Answer

A) acid-base imbalance. 
B) reactions between carbon monoxide and acids. 
C) positive feedback loops. 
D) negative feedback loops. 
E) energy made into proteins. 
A) acid-base imbalance. 
B) reactions between carbon monoxide and acids. 
C) positive feedback loops. 
D) negative feedback loops. 
E) energy made into proteins.

Question 9

The mucus-secreting glands of the respiratory system are composed of ________ tissue.

Accepted Answer

A) adipose 
B) muscle 
C) epithelial 
D) connective 
E) nerve 
A) adipose 
B) muscle 
C) epithelial 
D) connective 
E) nerve

Question 10

When the body's response to swelling caused by an insect bite is to release histamine, which causes more swelling and releases more histamine, the organism is using a ________ feedback loop.

Accepted Answer

The answer of When the body's response to swelling caused...

Question 11

-The tissue shown in the figure forms:

Accepted Answer

A) bone. 
B) blood. 
C) skin. 
D) fat. 
E) the digestive system. 
A) bone. 
B) blood. 
C) skin. 
D) fat. 
E) the digestive system.

Question 12

Cartilage, bone, and blood are examples of ________ tissue.

Accepted Answer

A) muscle 
B) nerve 
C) connective 
D) epithelial 
E) undifferentiated 
A) muscle 
B) nerve 
C) connective 
D) epithelial 
E) undifferentiated

Question 13

One biological example of a positive feedback system is:

Accepted Answer

A) the cascade of events involving oxytocin during childbirth. 
B) temperature regulation. 
C) blood pH levels. 
D) water balance. 
A) the cascade of events involving oxytocin during childbirth. 
B) temperature regulation. 
C) blood pH levels. 
D) water balance.

Question 14

Connective tissues include lymph, ligaments, tendons, and:

Accepted Answer

A) cardiac muscle. 
B) exocrine glands. 
C) skin cells. 
D) cartilage. 
E) vessel linings. 
A) cardiac muscle. 
B) exocrine glands. 
C) skin cells. 
D) cartilage. 
E) vessel linings.

Question 15

Cardiac muscle requires input from the nervous system to contract. True or False?

Accepted Answer

A) True 
 B)False

Question 16

What is the primary reason internal homeostasis must be maintained?

Accepted Answer

A) Wide swings in the internal environment interfere with normal metabolic reactions. 
B) Homeostasis prevents wasting stockpiles of coenzymes. 
C) Enzymes must retain their correct three-dimensional structure. 
D) Unregulated variations cause the cells' DNA to mutate. 
E) Most organisms have not evolved mechanisms to control positive feedback systems. 
A) Wide swings in the internal environment interfere with normal metabolic reactions. 
B) Homeostasis prevents wasting stockpiles of coenzymes. 
C) Enzymes must retain their correct three-dimensional structure. 
D) Unregulated variations cause the cells' DNA to mutate. 
E) Most organisms have not evolved mechanisms to control positive feedback systems.

Question 17

Why do organisms need to maintain homeostasis?

Accepted Answer

Metabolic reactions work at optimal leve

Question 18

-The tissue in the photograph is an example of ________ tissue.

Accepted Answer

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

Question 19

What characteristics of stratified epithelium make it suitable as an external covering?

Accepted Answer

Stratified epithelium has the ability to

Question 20

Which of the following controls the temperature in endothermic animals?

Accepted Answer

A) autonomic nervous system 
B) hypothalamus 
C) positive feedback systems 
D) reflexive skeletal muscles 
E) cerebral cortex 
A) autonomic nervous system 
B) hypothalamus 
C) positive feedback systems 
D) reflexive skeletal muscles 
E) cerebral cortex

Exam 31: Homeostasis and the Organization of the Animal Body

-This tissue is:

How do exocrine glands differ from endocrine glands?

This feedback loop is an example of ________ feedback.

Most body systems maintain homeostasis through ________ systems.

In addition to the nervous system, which vertebrate organ system controls physiological processes in animals?

In humans, the body needs to maintain oxygen levels within narrow homeostatic ranges. If the blood oxygen level drops below that range, the body responds by:

Tightly packed collagen fibers arranged in either parallel rows or meshwork are characteristic of ________ connective tissue.

An organism's ability to maintain a consistent blood pH requires:

The mucus-secreting glands of the respiratory system are composed of ________ tissue.

When the body's response to swelling caused by an insect bite is to release histamine, which causes more swelling and releases more histamine, the organism is using a ________ feedback loop.

-The tissue shown in the figure forms:

Cartilage, bone, and blood are examples of ________ tissue.

One biological example of a positive feedback system is:

Connective tissues include lymph, ligaments, tendons, and:

Cardiac muscle requires input from the nervous system to contract. True or False?

What is the primary reason internal homeostasis must be maintained?

Why do organisms need to maintain homeostasis?

-The tissue in the photograph is an example of ________ tissue.

What characteristics of stratified epithelium make it suitable as an external covering?

Which of the following controls the temperature in endothermic animals?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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