Question 1

The body has three mechanisms for regulating pH: the buffer mechanism,the respiratory mechanism,and the digestive mechanism.

Accepted Answer

A) True 
 B)False

Question 2

Blood in the pulmonary artery has a lower pH than the blood in the aorta.

Accepted Answer

A) True 
 B)False

Question 3

Blood in the pulmonary artery has a higher pH than blood in the pulmonary vein.

Accepted Answer

A) True 
 B)False

Question 4

Blood leaving the lungs has a _____ than blood entering the lungs.

Accepted Answer

A)  lower pH 
B)  lower concentration of carbon dioxide 
C)  higher concentration of H+ ions 
D)  both A and C 
A)  lower pH 
B)  lower concentration of carbon dioxide 
C)  higher concentration of H+ ions 
D)  both A and C

Question 5

What is the definition of acid-base balance? What proteins are most affected if the acid-base balance is not maintained?

Accepted Answer

Acid-base balance refers to the homeosta

Question 6

A solution with a pH of 13 contains more hydroxide ions than a solution with a pH of 11.

Accepted Answer

A) True 
 B)False

Question 7

Anything that decreases respiration will eventually cause alkalosis.

Accepted Answer

A) True 
 B)False

Question 8

What is the function of carbonic anhydrase?

Accepted Answer

Carbonic anhydrase is an enzyme that cat

Question 9

MATCHING
Match each term with its corresponding description or definition.
-system that helps regulate the pH of the blood by removing carbon dioxide

Accepted Answer

A) buffer 
B) metabolic acidosis 
C) acid solution 
D) respiratory alkalosis 
E) respiratory system
F)metabolic alkalosis
G)alkaline solution
H)kidney system
I)respiratory acidosis
J)neutral solution 
A) buffer 
B) metabolic acidosis 
C) acid solution 
D) respiratory alkalosis 
E) respiratory system
F)metabolic alkalosis
G)alkaline solution
H)kidney system
I)respiratory acidosis
J)neutral solution

Question 10

The buffering of NaOH by the H2CO3-NaHCO3 buffer pair would

Accepted Answer

A)  convert a strong base into a weak acid 
B)  decrease the amount of H2CO3 in the blood 
C)  cause the pH to rise to its normal value 
D)  cause all of the above 
A)  convert a strong base into a weak acid 
B)  decrease the amount of H2CO3 in the blood 
C)  cause the pH to rise to its normal value 
D)  cause all of the above

Question 11

What two pH regulating systems are referred to as physiological pH control mechanisms?

Accepted Answer

The answer of What two pH regulating systems are referred...

Question 12

Which of the following is caused by bicarbonate deficit?

Accepted Answer

A)  respiratory acidosis 
B)  metabolic acidosis 
C)  respiratory alkalosis 
D)  metabolic alkalosis 
A)  respiratory acidosis 
B)  metabolic acidosis 
C)  respiratory alkalosis 
D)  metabolic alkalosis

Question 13

A solution with a pH of 5 has 100 times more hydrogen ions than a solution with a pH of 3.

Accepted Answer

A) True 
 B)False

Question 14

Venous blood is the body fluid with the highest pH.

Accepted Answer

A) True 
 B)False

Question 15

Blood alkalosis

Accepted Answer

A)  causes the pH of the blood to drop 
B)  occurs more often than blood acidosis 
C)  is caused by an increase in base or a loss of acid 
D)  both B and C 
A)  causes the pH of the blood to drop 
B)  occurs more often than blood acidosis 
C)  is caused by an increase in base or a loss of acid 
D)  both B and C

Question 16

A water solution with a pH of 7

Accepted Answer

A)  is an acid 
B)  has equal numbers of OH- and H+ ions 
C)  is a base 
D)  contains neither OH- nor H+ 
A)  is an acid 
B)  has equal numbers of OH- and H+ ions 
C)  is a base 
D)  contains neither OH- nor H+

Question 17

One of the things that the kidneys can do that the lungs cannot do is to excrete base.

Accepted Answer

A) True 
 B)False

Question 18

Maintaining acid-base balance means keeping the concentration of hydrogen ions in body fluids relatively constant.

Accepted Answer

A) True 
 B)False

Question 19

The function of a buffer pair is to convert a strong acid into a weak acid.

Accepted Answer

A) True 
 B)False

Question 20

Carbonic anhydrase is a(n)

Accepted Answer

A)  buffer that works in the blood 
B)  enzyme 
C)  buffer that works in the lungs 
D)  buffer that works in the kidneys 
A)  buffer that works in the blood 
B)  enzyme 
C)  buffer that works in the lungs 
D)  buffer that works in the kidneys

Exam 22: Acid-Base Balance

The body has three mechanisms for regulating pH: the buffer mechanism,the respiratory mechanism,and the digestive mechanism.

Blood in the pulmonary artery has a lower pH than the blood in the aorta.

Blood in the pulmonary artery has a higher pH than blood in the pulmonary vein.

Blood leaving the lungs has a _____ than blood entering the lungs.

What is the definition of acid-base balance? What proteins are most affected if the acid-base balance is not maintained?

A solution with a pH of 13 contains more hydroxide ions than a solution with a pH of 11.

Anything that decreases respiration will eventually cause alkalosis.

What is the function of carbonic anhydrase?

MATCHING Match each term with its corresponding description or definition. -system that helps regulate the pH of the blood by removing carbon dioxide

The buffering of NaOH by the H2CO3-NaHCO3 buffer pair would

What two pH regulating systems are referred to as physiological pH control mechanisms?

Which of the following is caused by bicarbonate deficit?

A solution with a pH of 5 has 100 times more hydrogen ions than a solution with a pH of 3.

Venous blood is the body fluid with the highest pH.

Blood alkalosis

A water solution with a pH of 7

One of the things that the kidneys can do that the lungs cannot do is to excrete base.

Maintaining acid-base balance means keeping the concentration of hydrogen ions in body fluids relatively constant.

The function of a buffer pair is to convert a strong acid into a weak acid.

Carbonic anhydrase is a(n)

An Introduction to the Structure and Function of the Body

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The buffering of NaOH by the H₂CO₃-NaHCO₃ buffer pair would