6974265
Descrição
Quiz por Alexandra Bozan, atualizado more than 1 year ago
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Criado por Alexandra Bozan
aproximadamente 8 anos atrás
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Questão 1
Questão
As pH goes down, a:
Responda
-
Solution becomes more basic
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Solution’s hydrogen ion concentration decreases
-
Solution becomes more acidic
-
Solution thickens
Questão 2
Questão
Blood is slightly alkaline:
Responda
- True
- False
Questão 3
Questão
The respiratory and urinary systems can serve as physiologic buffer systems:
Responda
- True
- False
Questão 4
Questão
Acidosis causes:
Responda
-
Hyperventilation
-
Hypoventilation
-
An increase in blood pH
-
Increase in K+ excretion
Questão 5
Questão
Respiratory mechanisms are much more effective in expelling hydrogen ions than are urinary mechanisms:
Responda
- True
- False
Questão 6
Questão
Which of the following organs is considered the most effective regulator of blood carbonic acid levels:
Responda
-
Kidneys
-
Intestines
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Lungs
-
Stomach
Questão 7
Questão
In renal compensation of acidosis:
Responda
-
H+ secretion increases; bicarbonate reabsorption increases
-
H+ secretion increases; bicarbonate reabsorption decreases
-
H+ secretion decreases; bicarbonate secretion increases
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H+ secretion decreases; bicarbonate reabsorption increases
Questão 8
Questão
Which of the following accept H+ in water:
Responda
-
Acids
-
Bases
-
Salts
-
Sugars
Questão 9
Questão
Maintenance of body fluid pH is the result of:
Responda
-
Operation of various buffer systems
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Response of respiratory system
-
Response of urinary system
-
All of the above
Questão 10
Questão
When normal buffer mechanisms are stressed by excessive numbers of H+ ions, which of the following will result:
Responda
-
Acidosis
-
Alkalosis
-
Neither of these
Questão 11
Questão
With each expiration, which substances leave the body?
Responda
-
a. CO2
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b. H2O
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c. O2
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d. Both a and b
Questão 12
Questão
Which of the following substances releases H+ in water
Responda
-
Acids
-
Bases
-
Salts
-
Sugars
Questão 13
Questão
Which of the following is NOT a buffer system:
Responda
-
Bicarbonate buffer system
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Phosphate buffer system
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Protein buffer system
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NaCl buffer system
Questão 14
Questão
A falling blood pH and a rising concentration of carbon dioxide, both due to emphysema indicate
Responda
-
Acidosis
-
Alkalosis
-
Neither of these
Questão 15
Questão
Carbon dioxide present In venous blood causes it to become slightly more basic than arterial blood
Responda
- True
- False
Questão 16
Questão
Chemical buffers are fast acting
Responda
- True
- False
Questão 17
Questão
An increase in blood pH above normal (alkalosis) causes hypoventilation
Responda
- True
- False
Questão 18
Questão
What happens as blood flows through lung capillaries
Responda
-
Carbon dioxide in blood decreases
-
H+ in blood decreases
-
pH decreases
-
all of these
Questão 19
Questão
Substances that are present in the plasma that prevent drastic changes in pH of body fluids
Responda
-
Buffers
-
Inhibitors
-
Accelerators
-
Activators
Questão 20
Questão
High CO2 levels in body fluids will result in the formation of carbonic acid as CO2 readily reacts with
Responda
-
oxygen
-
water
-
carbonic acid
-
carbon monoxide
-
sodium chloride
Questão 21
Questão
Which of the following describes the pH of blood
Responda
-
7.21-7.49
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7.00-7.20
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7.35-7.45
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7.50-7.77
Questão 22
Questão
Mr. B’s plasma pH is determined to be 7.2. Which of the following might you expect to observe indicating compensation is occurring:
Responda
-
An increase in respiration rate
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A decrease in respiration rate
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No change in respiration rate
Questão 23
Questão
If the H+ concentration of blood increases, bicarbonate ions in the plasma act as buffers by:
Responda
-
Removing excess H+ from plasma
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Releasing H+ into plasma
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Combining with Cl- ions
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None of the above
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