Question 1

Because the functioning of proteins such as enzymes and hemoglobin depends on a proper pH level, pH must be regulated closely.

Accepted Answer

A) True 
 B)False  True

Question 2

Match each term with its corresponding description or definition.
-The only pH-regulating system that can excrete base

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 H

Question 3

If the buffer pair is to function properly, there must be 10 times more NaHCO3 than there is H2CO3.

Accepted Answer

A) True 
 B)False  False

Question 4

The slightly lower pH of venous blood compared with arterial blood comes primarily from

Accepted Answer

A)  absorbing hydrochloric acid from the digestive system. 
B)  the lactic acid from muscle metabolism. 
C)  the higher concentration of carbonic acid from cell metabolism. 
D)  all of the above. 
A)  absorbing hydrochloric acid from the digestive system. 
B)  the lactic acid from muscle metabolism. 
C)  the higher concentration of carbonic acid from cell metabolism. 
D)  all of the above.

Question 5

A solution with a pH of 9

Accepted Answer

A)  is an acid solution. 
B)  is an alkaline solution. 
C)  has more OHS1U1P1-S1S1P0 ions than H+ ions. 
D)  both B and C. 
A)  is an acid solution. 
B)  is an alkaline solution. 
C)  has more OHS1U1P1-S1S1P0 ions than H+ ions. 
D)  both B and C.

Question 6

In uncompensated metabolic acidosis, what mechanism removes the excess H2CO3?

Accepted Answer

In uncompensated metabolic acidosis, the

Question 7

Lactic acid and carbonic acid are referred to as fixed acids.

Accepted Answer

A) True 
 B)False

Question 8

Stomach acid is the body fluid with the lowest pH.

Accepted Answer

A) True 
 B)False

Question 9

The lungs are able to remove the equivalent of _____ L of carbonic acid a day.

Accepted Answer

A)  50 
B)  60 
C)  40 
D)  30 
A)  50 
B)  60 
C)  40 
D)  30

Question 10

List the four changes in the blood that result from the buffering of a fixed acid in the tissue capillaries.

Accepted Answer

When a fixed acid is buffered in the tis

Question 11

If one solution has a pH of 5 and a second solution has 10 times more H+ ions than the first solution, what would the pH level of the second solution be?

Accepted Answer

Question 12

The NaHCO3 buffer system buffers lactic acid.

Accepted Answer

A) True 
 B)False

Question 13

The physiological pH control mechanisms react more quickly to stabilize pH than do the chemical pH control mechanisms.

Accepted Answer

A) True 
 B)False

Question 14

The pH scale measures the concentration of OHS1U1P1-S1S1P0 ions in solution.

Accepted Answer

A) True 
 B)False

Question 15

The urine can have an H+ concentration 100 times higher than the concentration in the blood.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is caused by H2CO3 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 18

A solution with a pH of 4

Accepted Answer

A)  has 100 times more H+ ions than a solution with a pH of 2. 
B)  has 100 times fewer H+ ions than a solution with a pH of 2. 
C)  is considered an alkaline solution. 
D)  both B and C. 
A)  has 100 times more H+ ions than a solution with a pH of 2. 
B)  has 100 times fewer H+ ions than a solution with a pH of 2. 
C)  is considered an alkaline solution. 
D)  both B and C.

Question 19

Match each term with its corresponding description or definition.
-Solution that has a pH less than 7 and a higher concentration of H+ ions than OHS1U1P1-S1S1P0 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 20

A condition called respiratory alkalosis can be caused by a carbonic acid deficit. What can cause a carbonic acid deficit?

Accepted Answer

Respiratory alkalosis is a condition cha

Exam 22: Acid-Base Balance

Because the functioning of proteins such as enzymes and hemoglobin depends on a proper pH level, pH must be regulated closely.

Match each term with its corresponding description or definition. -The only pH-regulating system that can excrete base

If the buffer pair is to function properly, there must be 10 times more NaHCO3 than there is H2CO3.

The slightly lower pH of venous blood compared with arterial blood comes primarily from

A solution with a pH of 9

In uncompensated metabolic acidosis, what mechanism removes the excess H2CO3?

Lactic acid and carbonic acid are referred to as fixed acids.

Stomach acid is the body fluid with the lowest pH.

The lungs are able to remove the equivalent of _____ L of carbonic acid a day.

List the four changes in the blood that result from the buffering of a fixed acid in the tissue capillaries.

If one solution has a pH of 5 and a second solution has 10 times more H+ ions than the first solution, what would the pH level of the second solution be?

The NaHCO3 buffer system buffers lactic acid.

The physiological pH control mechanisms react more quickly to stabilize pH than do the chemical pH control mechanisms.

The pH scale measures the concentration of OH- ions in solution.

The urine can have an H+ concentration 100 times higher than the concentration in the blood.

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

Which of the following is caused by H2CO3 deficit?

A solution with a pH of 4

Match each term with its corresponding description or definition. -Solution that has a pH less than 7 and a higher concentration of H+ ions than OH- ions

A condition called respiratory alkalosis can be caused by a carbonic acid deficit. What can cause a carbonic acid deficit?

Introduction to the Body

Chemistry of Life

Cells

Tissues

Organ Systems

Mechanisms of Disease

Skin and Membranes

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Reproductive Systems

Growth, Development, and Aging

Genetics and Genetic Diseases

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If the buffer pair is to function properly, there must be 10 times more NaHCO₃ than there is H₂CO₃.

In uncompensated metabolic acidosis, what mechanism removes the excess H₂CO₃?

If one solution has a pH of 5 and a second solution has 10 times more H⁺ ions than the first solution, what would the pH level of the second solution be?

The NaHCO₃ buffer system buffers lactic acid.

The pH scale measures the concentration of OH^- ions in solution.

The urine can have an H⁺ concentration 100 times higher than the concentration in the blood.

Which of the following is caused by H₂CO₃ deficit?

Match each term with its corresponding description or definition. -Solution that has a pH less than 7 and a higher concentration of H⁺ ions than OH^- ions