Question 1

Arterial blood has a pH of 7.45.Venous blood has a pH of 7.35.This means that venous blood is more basic than arterial blood.

Accepted Answer

A) True 
 B)False

Question 2

In acidosis,the pH of the blood drops.

Accepted Answer

A) True 
 B)False

Question 3

In most cases,a person with acidosis does not have a blood pH lower than 7.0.

Accepted Answer

A) True 
 B)False

Question 4

A solution with a pH of 7.0

Accepted Answer

A)  would have more hydrogen ions than hydroxide ions 
B)  would have fewer hydrogen ions than hydroxide ions 
C)  would have an equal number of hydrogen and hydroxide ions 
D)  would be an acid solution 
A)  would have more hydrogen ions than hydroxide ions 
B)  would have fewer hydrogen ions than hydroxide ions 
C)  would have an equal number of hydrogen and hydroxide ions 
D)  would be an acid solution

Question 5

Excessive vomiting results in a massive loss of HCl and

Accepted Answer

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

Question 6

A solution with a pH of 7.0 would

Accepted Answer

A)  have more hydrogen ions than hydroxide ions 
B)  be an acid solution 
C)  be a neutral solution 
D)  both a and c above 
A)  have more hydrogen ions than hydroxide ions 
B)  be an acid solution 
C)  be a neutral solution 
D)  both a and c above

Question 7

One advantage that the kidneys have over the lungs in regulating pH is that

Accepted Answer

A)  they can remove a large amount of carbonic acid 
B)  they can raise the pH of the blood 
C)  they can lower the pH of the blood 
D)  kidneys have no advantage over the lungs in regulating pH 
A)  they can remove a large amount of carbonic acid 
B)  they can raise the pH of the blood 
C)  they can lower the pH of the blood 
D)  kidneys have no advantage over the lungs in regulating pH

Question 8

The kidneys are able to remove base from the body,whereas the lungs can remove only acid.

Accepted Answer

A) True 
 B)False

Question 9

If a person had a sudden influx of hydrogen ions into the blood,explain how the buffer system,the lungs,and the kidneys would try to reestablish acid homeostasis.

Accepted Answer

When there is a sudden influx of hydroge

Question 10

The enzyme carbonic anhydrase is found

Accepted Answer

A)  in red blood cells 
B)  in white blood cells 
C)  in epithelial cells lining blood vessels 
D)  as a free protein in blood plasma 
A)  in red blood cells 
B)  in white blood cells 
C)  in epithelial cells lining blood vessels 
D)  as a free protein in blood plasma

Question 11

Uncontrolled diabetes or prolonged diarrhea can lead to metabolic alkalosis.

Accepted Answer

A) True 
 B)False

Question 12

Match each term with its definition or description.
-A condition that results from a bicarbonate excess

Accepted Answer

A) Acid solution 
B) Alkaline solution 
C) Neutral solution 
D) Buffer 
E) Alkalosis
F)Acidosis
G)Metabolic acidosis
H)Respiratory acidosis
I)Respiratory alkalosis
J)Metabolic alkalosis
K)Carbonic anhydrase
L)pH 
A) Acid solution 
B) Alkaline solution 
C) Neutral solution 
D) Buffer 
E) Alkalosis
F)Acidosis
G)Metabolic acidosis
H)Respiratory acidosis
I)Respiratory alkalosis
J)Metabolic alkalosis
K)Carbonic anhydrase
L)pH

Question 13

The kidneys can produce urine with a pH less than 5.

Accepted Answer

A) True 
 B)False

Question 14

If the blood pH of 7.1 caused a person's death,the cause of the person's death would be acidosis.

Accepted Answer

A) True 
 B)False

Question 15

A solution with a pH of 5.0 has 100 times more hydrogen ions than a solution with a pH of 3.0.

Accepted Answer

A) True 
 B)False

Question 16

The end products of both aerobic and anaerobic catabolism of glucose can cause a drop in the blood pH.

Accepted Answer

A) True 
 B)False

Question 17

The buffer system works because weak acids dissociate much less than do strong acids.

Accepted Answer

A) True 
 B)False

Question 18

Match each term with its definition or description.
-A condition that results from a bicarbonate deficit

Accepted Answer

A) Acid solution 
B) Alkaline solution 
C) Neutral solution 
D) Buffer 
E) Alkalosis
F)Acidosis
G)Metabolic acidosis
H)Respiratory acidosis
I)Respiratory alkalosis
J)Metabolic alkalosis
K)Carbonic anhydrase
L)pH 
A) Acid solution 
B) Alkaline solution 
C) Neutral solution 
D) Buffer 
E) Alkalosis
F)Acidosis
G)Metabolic acidosis
H)Respiratory acidosis
I)Respiratory alkalosis
J)Metabolic alkalosis
K)Carbonic anhydrase
L)pH

Question 19

In the kidney,an amino group accepts a hydrogen ion to form ammonia,which is excreted in the urine.

Accepted Answer

A) True 
 B)False

Question 20

When the kidney secretes hydrogen ions

Accepted Answer

A)  the pH of the urine rises 
B)  sodium ions are added to the urine also 
C)  the bicarbonate ion is added to the urine also 
D)  none of the above 
A)  the pH of the urine rises 
B)  sodium ions are added to the urine also 
C)  the bicarbonate ion is added to the urine also 
D)  none of the above

Exam 20: Acid-Base Balance

Arterial blood has a pH of 7.45.Venous blood has a pH of 7.35.This means that venous blood is more basic than arterial blood.

In acidosis,the pH of the blood drops.

In most cases,a person with acidosis does not have a blood pH lower than 7.0.

A solution with a pH of 7.0

Excessive vomiting results in a massive loss of HCl and

A solution with a pH of 7.0 would

One advantage that the kidneys have over the lungs in regulating pH is that

The kidneys are able to remove base from the body,whereas the lungs can remove only acid.

If a person had a sudden influx of hydrogen ions into the blood,explain how the buffer system,the lungs,and the kidneys would try to reestablish acid homeostasis.

The enzyme carbonic anhydrase is found

Uncontrolled diabetes or prolonged diarrhea can lead to metabolic alkalosis.

Match each term with its definition or description. -A condition that results from a bicarbonate excess

The kidneys can produce urine with a pH less than 5.

If the blood pH of 7.1 caused a person's death,the cause of the person's death would be acidosis.

A solution with a pH of 5.0 has 100 times more hydrogen ions than a solution with a pH of 3.0.

The end products of both aerobic and anaerobic catabolism of glucose can cause a drop in the blood pH.

The buffer system works because weak acids dissociate much less than do strong acids.

Match each term with its definition or description. -A condition that results from a bicarbonate deficit

In the kidney,an amino group accepts a hydrogen ion to form ammonia,which is excreted in the urine.

When the kidney secretes hydrogen ions

Introduction to the Body

Chemistry of Life

Cells

Tissues

Organ Systems

Skin and Membranes

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Reproductive Systems

Growth and Development

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