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