Question 1

Which of the following would be important in treating metabolic alkalosis?

Accepted Answer

A)  Chloride ions 
B)  Bicarbonate ions 
C)  Sodium ions 
D)  Potassium ions 
A)  Chloride ions 
B)  Bicarbonate ions 
C)  Sodium ions 
D)  Potassium ions

Question 2

The most rapidly acting buffer system in the body is the _____ buffering system.

Accepted Answer

A)  chemical 
B)  respiratory 
C)  kidney 
D)  Both physiological buffering systems act with equal speed and are faster than the chemical. 
A)  chemical 
B)  respiratory 
C)  kidney 
D)  Both physiological buffering systems act with equal speed and are faster than the chemical.

Question 3

A man was advised to acidify his urine to help reduce the development of kidney stones. To accomplish that, he has been drinking a large glass of grapefruit juice every day. Which of the following explains why this is ineffective and gives a food choice that will make his urine acidic?

Accepted Answer

A)  Grapefruit juice is not acid forming when metabolized; cranberry juice is acid forming and will acidify his blood, resulting in a decreased urine pH. 
B)  Grapefruit juice is not acid forming when metabolized; orange juice is acid forming and will acidify his blood, resulting in a decreased urine pH. 
C)  Grapefruit juice will acidify both blood and urine, thereby balancing the urine pH; beet juice will change the pH in the urine. 
D)  Grapefruit juice is not acid forming when metabolized; a calcium carbonate tablet will acidify his blood resulting in a decreased urine pH. 
A)  Grapefruit juice is not acid forming when metabolized; cranberry juice is acid forming and will acidify his blood, resulting in a decreased urine pH. 
B)  Grapefruit juice is not acid forming when metabolized; orange juice is acid forming and will acidify his blood, resulting in a decreased urine pH. 
C)  Grapefruit juice will acidify both blood and urine, thereby balancing the urine pH; beet juice will change the pH in the urine. 
D)  Grapefruit juice is not acid forming when metabolized; a calcium carbonate tablet will acidify his blood resulting in a decreased urine pH.

Question 4

When NaOH is added to a buffered solution, one of the substances produced is water.

Accepted Answer

A) True 
 B)False

Question 5

Cranberries are said to direct acid-forming foods.

Accepted Answer

A) True 
 B)False

Question 6

Vicki has a minor bladder infection. She has heard that this is often the result of urine not being acidic enough and that she should drink cranberry juice to correct the problem. She does not have any cranberry juice, so she substitutes orange juice. What is wrong with this substitution?

Accepted Answer

Vicki's substitution of orange juice for

Question 7

The respiratory system is an important buffer system.

Accepted Answer

A) True 
 B)False

Question 8

An abnormal change in pH in the body could disrupt the functioning of:

Accepted Answer

A)  enzymes. 
B)  cell membrane receptors. 
C)  hemoglobin. 
D)  all of the above. 
A)  enzymes. 
B)  cell membrane receptors. 
C)  hemoglobin. 
D)  all of the above.

Question 9

Life-threatening vomiting can occur both in infants and in pregnant women.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is (are) classified as an acid-forming food?

Accepted Answer

A)  Meat 
B)  Eggs 
C)  Poultry 
D)  All of the above 
A)  Meat 
B)  Eggs 
C)  Poultry 
D)  All of the above

Exam 44: Acid Base Balance

Which of the following would be important in treating metabolic alkalosis?

The most rapidly acting buffer system in the body is the _____ buffering system.

A man was advised to acidify his urine to help reduce the development of kidney stones. To accomplish that, he has been drinking a large glass of grapefruit juice every day. Which of the following explains why this is ineffective and gives a food choice that will make his urine acidic?

When NaOH is added to a buffered solution, one of the substances produced is water.

Cranberries are said to direct acid-forming foods.

Vicki has a minor bladder infection. She has heard that this is often the result of urine not being acidic enough and that she should drink cranberry juice to correct the problem. She does not have any cranberry juice, so she substitutes orange juice. What is wrong with this substitution?

The respiratory system is an important buffer system.

An abnormal change in pH in the body could disrupt the functioning of:

Life-threatening vomiting can occur both in infants and in pregnant women.

Which of the following is (are) classified as an acid-forming food?

Organization of the Body

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