Question 1
Question
The most acidic body substance of the following is
Answer
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gastric juice
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pancreatic juice
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bile
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urine
Question 2
Question
Which of the following is an acid-forming food?
Answer
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grapefruit
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meat
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orange juice
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coffee
Question 3
Question
Which of the following is a base-forming food?
Answer
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fruit
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vegetable
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egg
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both fruit and vegetable
Question 4
Question
An acid-forming element is
Answer
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sulfur
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calcium
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potassium
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sodium
Question 5
Question
Acidic ketone bodies are associated with cellular metabolism of:
Answer
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proteins
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carbohydrates
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fats
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minerals
Question 6
Question
Citrus fruits, such as oranges and grapefruit, have a significant effect on acid-base balance
Question 7
Question
A vegetarian diet would tend to produce an alkaline state in body fluids
Question 8
Question
Potassium salts of hemoglobin inside the red blood cell primarily buffer
Answer
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carbonic acid
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lactic acid
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phosphoric acid
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sulfuric acid
Question 9
Question
A serious complication of vomiting is
Answer
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carbonic acid
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bicarbonate deficit
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metabolic alkalosis
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metabolic acidosis
Question 10
Question
The process of exchanging a bicarbonate ion formed in the red blood cell with a chloride ion formed in the red blood cell with a chloride ion from the plasma is called chloride shift
Question 11
Question
Buffers control pH in a manner that requires no other mechanism of pH control to maintain homeostasis
Question 12
Question
The blood buffer system normally converts a strong acid to a weak acid
Question 13
Question
Bicarbonate loading by athletes has proven to be mildly successful in diminishing the muscle soreness and fatigue associated with strenuous exercise
Question 14
Question
Elevated CO2 levels result in increased formation of carbonic acid in red blood cells
Question 15
Question
All of the following would increase the respiration rate except
Question 16
Question
The kidney tubules secrete hydrogen ions in exchange of
Question 17
Question
A decrease in blood pH accelerates tubule excretion of:
Question 18
Question
Prolonged hyperventilation may increase blood pH enough to cause alkalosis
Question 19
Question
The more hydrogen ions secreted by the renal tubule, the fewer potassium ions secreted
Question 20
Question
Intravenous administration of normal saline is used for metabolic acidosis
Question 21
Question
Which of the following organs is/are considered the most effective regulator(s) of blood pH?
Answer
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kidneys
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intestines
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lungs
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stomach
Question 22
Question
What is the pH of the blood
Answer
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7.0 to 8.0
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7.6 to 7.8
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6.2 to 7.4
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7.3 to 7.4
Question 23
Question
If the ratio of sodium bicarbonate to carbonate ions is lowered (perhaps 10 to 1) and blood pH is also lowered, what is the condition called?
Answer
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uncompensated metabolic acidosis
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uncompensated metabolic alkalosis
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compensated metabolic acidosis
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compensated metabolic alkalosis
Question 24
Question
If a person hyperventilates for a sufficient time period, which of the following will probably develop?
Answer
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metabolic acidosis
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metabolic alkalosis
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respiratory acidosis
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respiratory alkalosis
Question 25
Question
Normal saline is a therapy option for severe vomiting because this solution provides [blank_start]chloride[blank_end] ions, which replace bicarbonate ions that are responsible for the metabolic imbalance.
Answer
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chloride
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hydrogen
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sodium
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potassium
Question 26
Question
In the presence of a strong acid, which of the following is true?
Answer
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Sodium bicarbonate will react to produce carbonic acid
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Sodium bicarbonate will react to produce more sodium bicarbonate
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Carbonic acid will react to produce more sodium bicarbonate
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Carbonic acid will react to form more carbonic acid