Question 1

Nicotine fights against infection. True or False?

Accepted Answer

A) True 
 B)False

Question 2

"Smoker's cough" is the result of:

Accepted Answer

A)  excess mucus.
B)  irritation in the throat.
C)  emphysema.
D)  nicotine.
E)  dry lungs.F) C) and D)
G) B) and E)

Question 3

Gills are found in some species of mollusks. True or False?

Accepted Answer

A) True 
 B)False

Question 4

Which of these structures is analogous in function to the tracheoles in insects?

Accepted Answer

A)  skin of an earthworm
B)  bronchi in a human
C)  trachea of a bird
D)  skin of a reptileE) B) and D)
F) All of the above A

Question 5

All of the following are possible EXCEPT:

Accepted Answer

A)  an involuntary increase in the rate of breathing.
B)  inhibition of the respiratory centers in the brain.
C)  voluntarily holding one's breath until death occurs.
D)  a voluntary increase in the rate of breathing.
E)  a voluntary decrease in the rate of breathing.F) A) and B)
G) A) and C)

Question 6

Based on this figure, which of the following contains the most oxygen?

Accepted Answer

A)  blood entering the alveoli
B)  blood entering the left atrium
C)  blood leaving the right ventricle
D)  blood leaving the tissuesE) None of the above
F) A) and D) B

Question 7

Which of the following is the gas-exchange portion of the human lung?

Accepted Answer

A)  larynx
B)  pharynx
C)  bronchi
D)  bronchioles
E)  alveoliF) B) and D)
G) None of the above

Question 8

What is the purpose of an operculum?

Accepted Answer

It covers the gills in fish to...

Question 9

The large body of a sea jelly requires relatively little oxygen because its internal cells use relatively little ________.

Accepted Answer

The answer of The large body of a sea jelly...

Question 10

When blood is drawn from a blood vessel in your arm, it is dark red. This color indicates that the blood was:

Accepted Answer

A)  taken from an artery.
B)  going away from the heart.
C)  taken from a vein.
D)  on its way to the tissues of the arm.
E)  coming from the lungs.F) B) and C)
G) All of the above

Question 11

Birds are able to sustain long flights at high altitudes because they:

Accepted Answer

A)  have thicker blood than other animals with many more red blood cells.
B)  can extract oxygen during both inhalation and exhalation.
C)  use anaerobic metabolism during flight.
D)  decrease their heart rate during flight.
E)  are able to lower their body temperature during flight.F) C) and D)
G) B) and D) B

Question 12

The tiny tubes that carry air to all parts of mammalian lungs are called:

Accepted Answer

A)  the larynx.
B)  bronchi.
C)  the pharynx.
D)  tracheae.
E)  bronchioles.F) A) and B)
G) C) and D)

Question 13

What effect does smoking have on the movement of mucus in the respiratory tract?

Accepted Answer

Smoke paralyzes the ...

Question 14

Which sequence of animals is an example of how animal respiratory systems evolved?

Accepted Answer

A)  sharklizardsalamanderbird
B)  sharksalamanderlizardbird
C)  salamanderlizardsharkbird
D)  birdlizardsalamandershark
E)  lizardsharkbirdsalamanderF) B) and E)
G) B) and D)

Question 15

The receptors in the respiratory center are most sensitive to a small:

Accepted Answer

A)  drop in blood nitrogen levels.
B)  drop in blood oxygen levels.
C)  rise in blood oxygen levels.
D)  rise in blood carbon dioxide levels.
E)  drop in blood pH.F) B) and C)
G) A) and B)

Question 16

Some fish can extract 85% of the O2 from water flowing through their gills. True or False?

Accepted Answer

A) True 
 B)False

Question 17

Which of these structures is analogous in function to the alveoli in humans?

Accepted Answer

A)  spiracles of a grasshopper
B)  trachea of a frog
C)  skin of an alligator
D)  parabronchi of a bird
E)  operculum of a fishF) A) and B)
G) B) and E)

Question 18

A thin slice of a lung looks like a cross-section of:

Accepted Answer

A)  a blown-up balloon.
B)  a piece of wood.
C)  the heart at the level of the ventricles.
D)  a sponge.
E)  a carrot.F) D) and E)
G) B) and C)

Question 19

Insect respiratory systems contain all of these structures EXCEPT:

Accepted Answer

A)  tracheae.
B)  parabronchi.
C)  tracheoles.
D)  spiracles.E) B) and C)
F) All of the above

Question 20

The respiratory center is made of:

Accepted Answer

A)  a cluster of nerve cells in the lungs.
B)  the alveoli.
C)  a part of the pituitary gland.
D)  the cells of the capillaries in the lungs.
E)  a cluster of nerve cells in the brain stem.F) B) and E)
G) B) and D)

Exam 33: Respiration

Nicotine fights against infection. True or False?

Correct AnswerverifiedShow Answer

"Smoker's cough" is the result of:

Correct AnswerverifiedShow Answer

Gills are found in some species of mollusks. True or False?

Correct AnswerverifiedShow Answer

Which of these structures is analogous in function to the tracheoles in insects?

Correct AnswerverifiedA

All of the following are possible EXCEPT:

Correct AnswerverifiedShow Answer

Based on this figure, which of the following contains the most oxygen?

Correct AnswerverifiedB

Which of the following is the gas-exchange portion of the human lung?

Correct AnswerverifiedShow Answer

What is the purpose of an operculum?

Correct AnswerverifiedIt covers the gills in fish to...View AnswerShow Answer

The large body of a sea jelly requires relatively little oxygen because its internal cells use relatively little ________.

Correct AnswerverifiedShow Answer

When blood is drawn from a blood vessel in your arm, it is dark red. This color indicates that the blood was:

Correct AnswerverifiedShow Answer

Birds are able to sustain long flights at high altitudes because they:

Correct AnswerverifiedB

The tiny tubes that carry air to all parts of mammalian lungs are called:

Correct AnswerverifiedShow Answer

What effect does smoking have on the movement of mucus in the respiratory tract?

Correct AnswerverifiedSmoke paralyzes the ...View AnswerShow Answer

Which sequence of animals is an example of how animal respiratory systems evolved?

Correct AnswerverifiedShow Answer

The receptors in the respiratory center are most sensitive to a small:

Correct AnswerverifiedShow Answer

Some fish can extract 85% of the O2 from water flowing through their gills. True or False?

Correct AnswerverifiedShow Answer

Which of these structures is analogous in function to the alveoli in humans?

Correct AnswerverifiedShow Answer

A thin slice of a lung looks like a cross-section of:

Correct AnswerverifiedShow Answer

Insect respiratory systems contain all of these structures EXCEPT:

Correct AnswerverifiedShow Answer

The respiratory center is made of:

Correct AnswerverifiedShow Answer

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A

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B

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It covers the gills in fish to...
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B

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Smoke paralyzes the ...
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