Question 1

A decrease in blood pH:

Accepted Answer

A)   accelerates the renal tubule ion exchange mechanisms.
B)   causes a decrease in the renal tubule excretion of ammonia.
C)   has no effect on the renal tubule excretion of ammonia (because of respiratory compensations) .
D)   produces an increase in the pH of the urine through the chloride shift.E) None of the above
F) B) and C)

Question 2

Match each term with it corresponding definition.
-carbonic acid excess caused by conditions such as pneumonia or emphysema

Accepted Answer

A)  Alkaline
B)  pH
C)  Buffer
D)  Acid
E)  AlkalosisF) Chloride shiftG) AcidosisH) Metabolic alkalosisI) Metabolic acidosisJ) Respiratory acidosisK) Respiratory alkalosisL) D) and F)
M) E) and K)

Question 3

Match each term with it corresponding definition.
-carbonic acid deficit that can be caused by hyperventilation from fever or hysteria

Accepted Answer

A)  Alkaline
B)  pH
C)  Buffer
D)  Acid
E)  AlkalosisF) Chloride shiftG) AcidosisH) Metabolic alkalosisI) Metabolic acidosisJ) Respiratory acidosisK) Respiratory alkalosisL) A) and B)
M) B) and H)

Question 4

A change in pH can make an important enzyme in the cell unable to function.

Accepted Answer

A) True 
 B)False

Question 5

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.E) B) and C)
F) A) and C)

Question 6

Blood buffers work primarily by preventing marked changes in blood pH.

Accepted Answer

A) True 
 B)False

Question 7

Buffers are said to consist of a weak acid and its salt.When the ratio is written out,the salt goes above the line and the weak acid goes below the line.

Accepted Answer

A) True 
 B)False

Question 8

If the blood pH decreases below normal,the kidney tubules secrete _____ urine.

Accepted Answer

A)   fewer hydrogen ions from blood to
B)   more hydrogen ions from blood to
C)   more sodium ions into the
D)   Both A and C will occur.E) B) and D)
F) A) and C)

Question 9

The kidney is able to secrete hydrogen ions,which causes an increase in urine pH but a decrease in blood pH.

Accepted Answer

A) True 
 B)False

Question 10

The respiratory center is stimulated if the:

Accepted Answer

A)   amount of carbon dioxide in arterial blood increases.
B)   amount of carbon dioxide in venous blood increases.
C)   pH of the blood goes above 7.41.
D)   Any of the above will stimulate the respiratory center.E) None of the above
F) C) and D)

Question 11

The regulation of acid-base balance in the body fluids refers to the control of _____ ion concentration.

Accepted Answer

A)   hydrogen
B)   bicarbonate
C)   potassium
D)   chlorideE) A) and D)
F) C) and D)

Question 12

To function properly,the bicarbonate buffer system must have 20 times more H₂CO₃ than NaHCO₃.

Accepted Answer

A) True 
 B)False

Question 13

Carbonic acid results primarily from the metabolism of:

Accepted Answer

A)   glucose.
B)   amino acids.
C)   fats.
D)   ribonucleotides.E) All of the above
F) A) and B)

Question 14

Why does arterial blood have a lower hydrogen ion concentration than venous blood?

Accepted Answer

Arterial blood has a lower hydrogen ion ...

Question 15

Rhubarb is said to be a direct base-forming food.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is considered a direct acid-forming food?

Accepted Answer

A)   Citrus fruit
B)   Vinegar
C)   Cranberries
D)   All of the above are considered direct acid-forming foodsE) A) and B)
F) A) and C)

Question 17

In the bicarbonate buffer system,the weak base bicarbonate is used to buffer a strong acid such as HCl.

Accepted Answer

A) True 
 B)False

Question 18

Toxic accumulation of acidic ketone bodies is a common complication of untreated:

Accepted Answer

A)   kidney disease.
B)   diabetes mellitus.
C)   respiratory distress syndrome.
D)   deficiency of carbonic anhydrase in the blood.E) All of the above
F) C) and D)

Question 19

The function of a number of proteins in the body requires that the normal hydrogen ion concentration be maintained.

Accepted Answer

A) True 
 B)False

Question 20

Saliva is normally acidic.

Accepted Answer

A) True 
 B)False

Exam 33: Acid-Base Balance

To function properly,the bicarbonate buffer system must have 20 times more H₂CO₃ than NaHCO₃.

Correct AnswerverifiedShow Answer

Match each term with it corresponding definition. -carbonic acid deficit that can be caused by hyperventilation from fever or hysteria

Correct AnswerverifiedShow Answer

The respiratory center is stimulated if the:

Correct AnswerverifiedShow Answer

Why does arterial blood have a lower hydrogen ion concentration than venous blood?

Correct AnswerAnswered by ExamLex AIArterial blood has a lower hydrogen ion ...View AnswerShow Answer

Buffers are said to consist of a weak acid and its salt.When the ratio is written out,the salt goes above the line and the weak acid goes below the line.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Toxic accumulation of acidic ketone bodies is a common complication of untreated:

Correct AnswerverifiedShow Answer

The kidney is able to secrete hydrogen ions,which causes an increase in urine pH but a decrease in blood pH.

Correct AnswerverifiedShow Answer

The function of a number of proteins in the body requires that the normal hydrogen ion concentration be maintained.

Correct AnswerverifiedShow Answer

A change in pH can make an important enzyme in the cell unable to function.

Correct AnswerverifiedShow Answer

The regulation of acid-base balance in the body fluids refers to the control of _____ ion concentration.

Correct AnswerverifiedShow Answer

A decrease in blood pH:

Correct AnswerverifiedShow Answer

Carbonic acid results primarily from the metabolism of:

Correct AnswerverifiedShow Answer

Rhubarb is said to be a direct base-forming food.

Correct AnswerverifiedShow Answer

If the blood pH decreases below normal,the kidney tubules secrete _____ urine.

Correct AnswerverifiedShow Answer

Saliva is normally acidic.

Correct AnswerverifiedShow Answer

In the bicarbonate buffer system,the weak base bicarbonate is used to buffer a strong acid such as HCl.

Correct AnswerverifiedShow Answer

Which of the following is considered a direct acid-forming food?

Correct AnswerverifiedShow Answer

Blood buffers work primarily by preventing marked changes in blood pH.

Correct AnswerverifiedShow Answer

Match each term with it corresponding definition. -carbonic acid excess caused by conditions such as pneumonia or emphysema

Correct AnswerverifiedShow Answer

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Answered by ExamLex AI
Arterial blood has a lower hydrogen ion ...
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