6974349
Descripción
Test por Alexandra Bozan, actualizado hace más de 1 año
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Creado por Alexandra Bozan
hace más de 7 años
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Pregunta 1
Pregunta
The most acidic body substance of the following is
Respuesta
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gastric juice
-
pancreatic juice
-
bile
-
urine
Pregunta 2
Pregunta
Which of the following is an acid-forming food?
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grapefruit
-
meat
-
orange juice
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coffee
Pregunta 3
Pregunta
Which of the following is a base-forming food?
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fruit
-
vegetable
-
egg
-
both fruit and vegetable
Pregunta 4
Pregunta
An acid-forming element is
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sulfur
-
calcium
-
potassium
-
sodium
Pregunta 5
Pregunta
Acidic ketone bodies are associated with cellular metabolism of:
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proteins
-
carbohydrates
-
fats
-
minerals
Pregunta 6
Pregunta
Citrus fruits, such as oranges and grapefruit, have a significant effect on acid-base balance
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- True
- False
Pregunta 7
Pregunta
A vegetarian diet would tend to produce an alkaline state in body fluids
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- True
- False
Pregunta 8
Pregunta
Potassium salts of hemoglobin inside the red blood cell primarily buffer
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carbonic acid
-
lactic acid
-
phosphoric acid
-
sulfuric acid
Pregunta 9
Pregunta
A serious complication of vomiting is
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-
carbonic acid
-
bicarbonate deficit
-
metabolic alkalosis
-
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
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- True
- False
Pregunta 11
Pregunta
Buffers control pH in a manner that requires no other mechanism of pH control to maintain homeostasis
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- True
- False
Pregunta 12
Pregunta
The blood buffer system normally converts a strong acid to a weak acid
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- True
- False
Pregunta 13
Pregunta
Bicarbonate loading by athletes has proven to be mildly successful in diminishing the muscle soreness and fatigue associated with strenuous exercise
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- True
- False
Pregunta 14
Pregunta
Elevated CO2 levels result in increased formation of carbonic acid in red blood cells
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- True
- False
Pregunta 15
Pregunta
All of the following would increase the respiration rate except
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decreased blood pH
-
decreased carbon dioxide
-
increased arterial blood CO2
-
all increase respirations
Pregunta 16
Pregunta
The kidney tubules secrete hydrogen ions in exchange of
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K+
-
Na+
-
Ca++
-
Cl
Pregunta 17
Pregunta
A decrease in blood pH accelerates tubule excretion of:
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hydrogen
-
ammonia
-
both hydrogen and ammonia
-
none of the above
Pregunta 18
Pregunta
Prolonged hyperventilation may increase blood pH enough to cause alkalosis
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- True
- False
Pregunta 19
Pregunta
The more hydrogen ions secreted by the renal tubule, the fewer potassium ions secreted
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- True
- False
Pregunta 20
Pregunta
Intravenous administration of normal saline is used for metabolic acidosis
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- True
- False
Pregunta 21
Pregunta
Which of the following organs is/are considered the most effective regulator(s) of blood pH?
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kidneys
-
intestines
-
lungs
-
stomach
Pregunta 22
Pregunta
What is the pH of the blood
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7.0 to 8.0
-
7.6 to 7.8
-
6.2 to 7.4
-
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
-
uncompensated metabolic alkalosis
-
compensated metabolic acidosis
-
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
-
metabolic alkalosis
-
respiratory acidosis
-
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
-
hydrogen
-
sodium
-
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
-
Sodium bicarbonate will react to produce more sodium bicarbonate
-
Carbonic acid will react to produce more sodium bicarbonate
-
Carbonic acid will react to form more carbonic acid
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