Question 1

Explain how the urinary mechanism controls blood pH.

Accepted Answer

The urinary mechanism controls blood pH

Question 2

A prolonged period of gastric suctioning would have the same effect on the blood pH as a prolonged period of uncontrolled diabetes.

Accepted Answer

A) True 
 B)False

Question 3

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

Accepted Answer

A)  convert the strong HCl into the weaker H2CO3. 
B)  cause a smaller increase of H+ ions in the blood. 
C)  decrease the amount of NaHCO3 in the blood. 
D)  all of the above. 
A)  convert the strong HCl into the weaker H2CO3. 
B)  cause a smaller increase of H+ ions in the blood. 
C)  decrease the amount of NaHCO3 in the blood. 
D)  all of the above.

Question 4

A person with only 10 times more H2CO3 than NaHCO3 is in a condition called uncompensated metabolic acidosis.

Accepted Answer

A) True 
 B)False

Question 5

Because carbonic acid can be broken down to carbon dioxide and water, it is not considered a fixed acid.

Accepted Answer

A) True 
 B)False

Question 6

If a base were added to the buffer pair H2CO3-NaHCO3, the concentration of H2CO3 would drop.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements is true?

Accepted Answer

A)  The lungs can remove larger amounts of acid from the body than the kidneys. 
B)  The kidneys can remove larger amounts of acid from the body than the lungs. 
C)  Unlike the lungs, the kidneys can remove base from the body. 
D)  Both B and C are true. 
A)  The lungs can remove larger amounts of acid from the body than the kidneys. 
B)  The kidneys can remove larger amounts of acid from the body than the lungs. 
C)  Unlike the lungs, the kidneys can remove base from the body. 
D)  Both B and C are true.

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Match each term with its corresponding description or definition.
-Condition that is caused by a bicarbonate 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 10

The lungs work more rapidly to stabilize pH than do the kidneys.

Accepted Answer

A) True 
 B)False

Question 11

Match each term with its corresponding description or definition.
-Solution that has a pH of 7 with an equal number of H+ and 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 12

A person with only 10 times more NaHCO3 than H2CO3 is in a condition called uncompensated metabolic acidosis.

Accepted Answer

A) True 
 B)False

Question 13

Match each term with its corresponding description or definition.
-A substance that prevents a sharp change in the pH of a solution when a strong acid or base is added to it

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 14

A solution with a pH of 9 is considered an alkaline solution.

Accepted Answer

A) True 
 B)False

Question 15

Venous blood is the body fluid with the highest pH.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is caused by H2CO3 excess?

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 17

The function of H+ ions in the body is

Accepted Answer

A)  maintenance of the cell membrane. 
B)  conduction of nerve impulses. 
C)  function of cellular enzymes. 
D)  stimulation of muscle contraction. 
A)  maintenance of the cell membrane. 
B)  conduction of nerve impulses. 
C)  function of cellular enzymes. 
D)  stimulation of muscle contraction.

Question 18

Explain the pH scale. Which body fluid has the highest pH? Which has the lowest?

Accepted Answer

The pH scale is a measure of the acidity

Question 19

A sustained drop in breathing rate can cause respiratory acidosis.

Accepted Answer

A) True 
 B)False

Question 20

Excessive vomiting can cause metabolic alkalosis.

Accepted Answer

A) True 
 B)False

Exam 22: Acid-Base Balance

Explain how the urinary mechanism controls blood pH.

A prolonged period of gastric suctioning would have the same effect on the blood pH as a prolonged period of uncontrolled diabetes.

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

A person with only 10 times more H2CO3 than NaHCO3 is in a condition called uncompensated metabolic acidosis.

Because carbonic acid can be broken down to carbon dioxide and water, it is not considered a fixed acid.

If a base were added to the buffer pair H2CO3-NaHCO3, the concentration of H2CO3 would drop.

Which of the following statements is true?

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

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

The lungs work more rapidly to stabilize pH than do the kidneys.

Match each term with its corresponding description or definition. -Solution that has a pH of 7 with an equal number of H+ and OH- ions

A person with only 10 times more NaHCO3 than H2CO3 is in a condition called uncompensated metabolic acidosis.

Match each term with its corresponding description or definition. -A substance that prevents a sharp change in the pH of a solution when a strong acid or base is added to it

A solution with a pH of 9 is considered an alkaline solution.

Venous blood is the body fluid with the highest pH.

Which of the following is caused by H2CO3 excess?

The function of H+ ions in the body is

Explain the pH scale. Which body fluid has the highest pH? Which has the lowest?

A sustained drop in breathing rate can cause respiratory acidosis.

Excessive vomiting can cause metabolic alkalosis.

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

Filters

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

A person with only 10 times more H₂CO₃ than NaHCO₃ is in a condition called uncompensated metabolic acidosis.

If a base were added to the buffer pair H₂CO₃-NaHCO₃, the concentration of H₂CO₃ would drop.

Match each term with its corresponding description or definition. -Solution that has a pH of 7 with an equal number of H⁺ and OH^- ions

A person with only 10 times more NaHCO₃ than H₂CO₃ is in a condition called uncompensated metabolic acidosis.

Which of the following is caused by H₂CO₃ excess?

The function of H⁺ ions in the body is