Question 1

Bubbles form in a glass of water, because it contains dissolved _____.

Accepted Answer

The answer of Bubbles form in a glass of water,...

Question 2

More gas will diffuse through a _____ surface area than a _____ surface area.

Accepted Answer

The answer of More gas will diffuse through a _____...

Question 3

Human red blood cells contain the red pigment __________.

Accepted Answer

The answer of Human red blood cells contain the red...

Question 4

Gasses move from an area of ____ concentration to an area of ___ concentration.

Accepted Answer

The answer of Gasses move from an area of ____...

Question 5

Which of the following is false?

Accepted Answer

A)   Oxygen diffuses much more slowly in water than in air.
B)   At the same altitude and temperature the concentration of oxygen in water is higher than in air.
C)   Water is about 1,000 times more dense than air.
D)   Air and water contain oxygen available for cellular respiration.E) All of the above
F) A) and B)

Question 6

The lungs of organism A have a surface area of 10 square cm. The lungs of organism B have a surface area of 5 square cm. Based on this information, the rate of gas exchange must be higher in organism _____.

Accepted Answer

A)   A
B)   BC) A) and B)
D) undefined

Question 7

In blood arriving at an alveolus, the concentration of

Accepted Answer

A)   oxygen is lower in the alveolus than in the blood.
B)   carbon dioxide is higher in the alveolus than in the blood.
C)   carbon dioxide is higher in the blood than in the alveolus.
D)   carbon dioxide in the blood is equal to the concentration of oxygen in the alveolus.E) A) and B)
F) C) and D)

Question 8

The process of inhalation requires more energy than the process of exhalation.

Accepted Answer

A) True 
 B)False

Question 9

You have been asked to design a man-made version of hemoglobin that could be used to help high mountain rescuers acclimate to high altitudes more rapidly. What is the most important property your protein has to exhibit?

Accepted Answer

A manmade version of hemoglobin would ha...

Question 10

You would expect a child who has just had an asthma attack to have ________ levels of carbon dioxide in their blood than a normal child would.

Accepted Answer

The answer of You would expect a child who has...

Question 11

Carbon dioxide

Accepted Answer

A)   is carried by a different binding pigment in the blood than oxygen is.
B)   lowers the acidity of the blood plasma, causing hemoglobin to release oxygen.
C)   moves from regions of cellular respiration to the alveoli dissolved in the cytoplasm of red blood cells.
D)   attaches to hemoglobin, causing structural changes that make oxygen binding more efficient.E) A) and B)
F) All of the above

Question 12

For a human to inhale, the rib muscles and diaphragm must

Accepted Answer

A)   contract, decreasing the pressure inside the lungs.
B)   relax, raising the pressure inside the lungs.
C)   contract, raising the pressure inside the lungs.
D)   relax, decreasing the pressure inside the lungs.E) C) and D)
F) B) and D)

Question 13

Which of the following statements about the size of an organism's gas exchange surface is true?

Accepted Answer

A)   Organisms with small demands generally still have large gas exchange surfaces.
B)   The lungs of active mammals have smaller gas exchange surfaces than the lungs of less active mammals.
C)   The surface area of a gas exchange surface is sized to match the needs of the organism.
D)   Extra gill surface area in a fish would help lower the drag forces in water.E) C) and D)
F) All of the above

Question 14

When a cell is performing cellular respiration, the higher concentration of __________________ in nearby blood plasma causes the plasma to become slightly more acidic.

Accepted Answer

The answer of When a cell is performing cellular respiration,...

Question 15

In what way, if any, is the circulatory system of humans important to the process of gas exchange?

Accepted Answer

A)   It has no importance to gas exchange.
B)   It allows air to be taken into the lungs.
C)   It increases the area available for gas exchange.
D)   It carries oxygen to cells that are not in direct contact with air.E) C) and D)
F) B) and C)

Question 16

In humans and many other animals gases are transported in ____ , which travels rapidly in a circulatory system.

Accepted Answer

The answer of In humans and many other animals gases...

Question 17

Oxygen and carbon dioxide diffuse much more slowly in water than in air.

Accepted Answer

A) True 
 B)False

Question 18

Blood arriving at a cell that is performing cellular respiration would

Accepted Answer

A)   contain red blood cells with oxygen bound to most of its hemoglobin and a lower concentration of carbon dioxide than the cell.
B)   contain little remaining hemoglobin and a higher concentration of carbon dioxide than the cell.
C)   deposit its hemoglobin onto the plasma membrane of the cell to release oxygen and pick up carbon dioxide.
D)   contain hemoglobin largely depleted of oxygen and a lower concentration of carbon dioxide than the cell.E) A) and D)
F) C) and D)

Question 19

Insects breathe through a system of tubes, the smallest of which are called __________.

Accepted Answer

The answer of Insects breathe through a system of tubes,...

Question 20

What tube connects the pharynx to the bronchi?

Accepted Answer

A)   the trachea
B)   the alveoli
C)   the bronchioles
D)   the tracheolesE) A) and B)
F) A) and D)

Exam 22: Gas Exchange

For a human to inhale, the rib muscles and diaphragm must

Correct AnswerverifiedShow Answer

Insects breathe through a system of tubes, the smallest of which are called __________.

Correct AnswerverifiedShow Answer

Blood arriving at a cell that is performing cellular respiration would

Correct AnswerverifiedShow Answer

What tube connects the pharynx to the bronchi?

Correct AnswerverifiedShow Answer

More gas will diffuse through a _____ surface area than a _____ surface area.

Correct AnswerverifiedShow Answer

The lungs of organism A have a surface area of 10 square cm. The lungs of organism B have a surface area of 5 square cm. Based on this information, the rate of gas exchange must be higher in organism _____.

Correct AnswerverifiedShow Answer

Oxygen and carbon dioxide diffuse much more slowly in water than in air.

Correct AnswerverifiedShow Answer

In what way, if any, is the circulatory system of humans important to the process of gas exchange?

Correct AnswerverifiedShow Answer

In blood arriving at an alveolus, the concentration of

Correct AnswerverifiedShow Answer

Human red blood cells contain the red pigment __________.

Correct AnswerverifiedShow Answer

Which of the following is false?

Correct AnswerverifiedShow Answer

Which of the following statements about the size of an organism's gas exchange surface is true?

Correct AnswerverifiedShow Answer

In humans and many other animals gases are transported in ____ , which travels rapidly in a circulatory system.

Correct AnswerverifiedShow Answer

You would expect a child who has just had an asthma attack to have ________ levels of carbon dioxide in their blood than a normal child would.

Correct AnswerverifiedShow Answer

Carbon dioxide

Correct AnswerverifiedShow Answer

The process of inhalation requires more energy than the process of exhalation.

Correct AnswerverifiedShow Answer

When a cell is performing cellular respiration, the higher concentration of __________________ in nearby blood plasma causes the plasma to become slightly more acidic.

Correct AnswerverifiedShow Answer

You have been asked to design a man-made version of hemoglobin that could be used to help high mountain rescuers acclimate to high altitudes more rapidly. What is the most important property your protein has to exhibit?

Correct AnswerverifiedA manmade version of hemoglobin would ha...View AnswerShow Answer

Bubbles form in a glass of water, because it contains dissolved _____.

Correct AnswerverifiedShow Answer

Gasses move from an area of ____ concentration to an area of ___ concentration.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

More gas will diffuse through a _ surface area than a _ surface area.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A manmade version of hemoglobin would ha...
View Answer

Correct Answer
verified

Gasses move from an area of __ concentration to an area of _ concentration.

Correct Answer
verified