Question 1

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 2

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 3

The function of carbonic anhydrase is to convert carbon dioxide and water to carbonic acid.

Accepted Answer

A) True 
 B)False

Question 4

Explain how the respiratory mechanism controls blood pH. What effect would a prolonged period of decreased respiration have on blood pH?

Accepted Answer

The respiratory mechanism controls blood

Question 5

One unique aspect of kidney regulation of pH is that it

Accepted Answer

A)  is the only site of carbonic anhydrase that can quickly convert carbon dioxide and water to carbonic acid. 
B)  can excrete excess acid. 
C)  can excrete excess base. 
D)  both A and B. 
A)  is the only site of carbonic anhydrase that can quickly convert carbon dioxide and water to carbonic acid. 
B)  can excrete excess acid. 
C)  can excrete excess base. 
D)  both A and B.

Question 6

A person can develop acidosis of the blood even if the pH is above 7.

Accepted Answer

A) True 
 B)False

Question 7

In blood acidosis, the

Accepted Answer

A)  number of H+ ions in the blood increases. 
B)  pH of the blood falls below 6.5. 
C)  number of OHS1U1P1-S1S1P0 ions in the blood increases. 
D)  both A and B. 
A)  number of H+ ions in the blood increases. 
B)  pH of the blood falls below 6.5. 
C)  number of OHS1U1P1-S1S1P0 ions in the blood increases. 
D)  both A and B.

Question 8

Match each term with its corresponding description or definition.
-Condition that is caused by carbonic acid deficit

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 9

What is the function of carbonic anhydrase?

Accepted Answer

Carbonic anhydrase is an enzyme that cat

Question 10

Acidosis in the blood begins to occur when the pH falls below 6.8.

Accepted Answer

A) True 
 B)False

Question 11

If an acid were added to the buffer pair H2CO3-NaHCO2, the concentration of NaHCO3 would drop.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

The two primary physiological pH control

Question 14

Match each term with its corresponding description or definition.
-A solution with a pH greater than 7 and a higher concentration of OHS1U1P1-S1S1P0 ions than H+ ions

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 15

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 16

A solution with a pH of 9 has more hydrogen ions than hydroxide ions.

Accepted Answer

A) True 
 B)False

Question 17

A solution with a pH of 5 contains more hydrogen ions than a solution with a pH of 2.

Accepted Answer

A) True 
 B)False

Question 18

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.

Question 19

Would you expect the blood in the pulmonary artery or in the pulmonary vein to have the higher pH? Explain your answer.

Accepted Answer

I would expect the blood in the pulmonar

Question 20

A solution with a pH of 5 is considered an acid.

Accepted Answer

A) True 
 B)False

Exam 22: Acid-Base Balance

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

Blood alkalosis

The function of carbonic anhydrase is to convert carbon dioxide and water to carbonic acid.

Explain how the respiratory mechanism controls blood pH. What effect would a prolonged period of decreased respiration have on blood pH?

One unique aspect of kidney regulation of pH is that it

A person can develop acidosis of the blood even if the pH is above 7.

In blood acidosis, the

Match each term with its corresponding description or definition. -Condition that is caused by carbonic acid deficit

What is the function of carbonic anhydrase?

Acidosis in the blood begins to occur when the pH falls below 6.8.

If an acid were added to the buffer pair H2CO3-NaHCO2, the concentration of NaHCO3 would drop.

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

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

Match each term with its corresponding description or definition. -A solution with a pH greater than 7 and a higher concentration of OH- ions than H+ ions

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

A solution with a pH of 9 has more hydrogen ions than hydroxide ions.

A solution with a pH of 5 contains more hydrogen ions than a solution with a pH of 2.

Carbonic anhydrase is a(n)

Would you expect the blood in the pulmonary artery or in the pulmonary vein to have the higher pH? Explain your answer.

A solution with a pH of 5 is considered an acid.

Introduction to the Body

Chemistry of Life

Cells

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Skin and Membranes

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Blood

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Fluid and Electrolyte Balance

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Genetics and Genetic Diseases

Filters

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

If an acid were added to the buffer pair H₂CO₃-NaHCO₂, the concentration of NaHCO₃ would drop.

Match each term with its corresponding description or definition. -A solution with a pH greater than 7 and a higher concentration of OH^- ions than H⁺ ions