Question 1

How do exocrine glands differ from endocrine glands?

Accepted Answer

Exocrine glands secrete substa...

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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 4

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

Accepted Answer

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

Question 5

This feedback loop is an example of ________ feedback.

Accepted Answer

A)  positive
B)  negative

Question 6

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

Question 7

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

Accepted Answer

Stratified epithelium has the ability to...

Question 8

-The tissue shown in the figure forms:

Accepted Answer

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

Question 9

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 10

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.

Question 11

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.

Question 12

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

Accepted Answer

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

Question 13

Most body systems maintain homeostasis through ________ systems.

Accepted Answer

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

Question 14

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

Question 15

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

Accepted Answer

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

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.

Question 17

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.

Question 18

Why do organisms need to maintain homeostasis?

Accepted Answer

Metabolic reactions work at optimal leve...

Question 19

Connective tissues include lymph, ligaments, tendons, and:

Accepted Answer

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

Question 20

-This tissue is:

Accepted Answer

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

Exam 31: Homeostasis and the Organization of the Animal Body

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

Correct AnswerverifiedShow Answer

How do exocrine glands differ from endocrine glands?

Correct AnswerverifiedExocrine glands secrete substa...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

One biological example of a positive feedback system is:

Correct AnswerverifiedShow Answer

What is the primary reason internal homeostasis must be maintained?

Correct AnswerverifiedShow Answer

Connective tissues include lymph, ligaments, tendons, and:

Correct AnswerverifiedShow Answer

Why do organisms need to maintain homeostasis?

Correct AnswerverifiedMetabolic reactions work at optimal leve...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

This feedback loop is an example of ________ feedback.

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Most body systems maintain homeostasis through ________ systems.

Correct AnswerverifiedShow Answer

Which of the following controls the temperature in endothermic animals?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

-This tissue is:

Correct AnswerverifiedShow Answer

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:

Correct AnswerverifiedShow Answer

-The tissue shown in the figure forms:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedStratified epithelium has the ability to...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
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Exocrine glands secrete substa...
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Correct Answer
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Correct Answer
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Metabolic reactions work at optimal leve...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Stratified epithelium has the ability to...
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Correct Answer
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