phys exam 4
問題一覧
1
When a hydrogen ion is secreted into the tubular fluid in the kidney a bicarbonate ion will be reabsorbed.
true
2
A volatile acid is so called because it can be eliminated by the respiratory system.A volatile acid is so called because it can be eliminated by the respiratory system.
true
3
What produces a metabolic acidosis?
Diarrhea
4
What is a strong base?
Sodium hydroxide
5
What is the major buffer system that works in the extracellular fluid?
Carbonic acid/bicarbonate system
6
Where in the nephron is the majority of bicarbonate reabsorbed?
Proximal convuluted tubule
7
A patient has the following arterial blood gases.
Plasma pH = 7.52
paCO2 = 50 mmHg
Plasma HCO3- = 39 mMoles
This patient has a _____________.
Metabolic alkalosis
8
Metabolic acidosis will result in an increase in ventilation mediated by what? (Mark all the correct answers.)
Chemoreceptors in the aortic bodied Chemoreceptors in the carotid bodies Chemosensitive cells in the medulla
9
Central chemoreceptors are in the ______________.
Medulla
10
pH is defined as - log 10 [H+] .
true
11
In response to acidosis ventilation is decreased.In response to acidosis ventilation is decreased.
false
12
What change in the ECF activates the Intercalated B cells to reabsorb hydrogen ions and secrete bicarbonate?
Alkalosis
13
What produces a respiratory acidosis?
Chronic obstructive pulmonary disease
14
Anerobic respiration of glucose produces what?
Lactic acid
15
What is a buffer system found on the inside of cells
Phosphate system Proteins
16
When a hydrogen ion is secreted into the tubular fluid in the kidney a bicarbonate ion will be reabsorbed.
true
17
What urinary buffer system accounts for the majority of acid secreted in the urinary tubular fluid in chronic acidosis and about 50% of the new bicarbonate generated in the kidney?
ammonium
問題一覧
1
When a hydrogen ion is secreted into the tubular fluid in the kidney a bicarbonate ion will be reabsorbed.
true
2
A volatile acid is so called because it can be eliminated by the respiratory system.A volatile acid is so called because it can be eliminated by the respiratory system.
true
3
What produces a metabolic acidosis?
Diarrhea
4
What is a strong base?
Sodium hydroxide
5
What is the major buffer system that works in the extracellular fluid?
Carbonic acid/bicarbonate system
6
Where in the nephron is the majority of bicarbonate reabsorbed?
Proximal convuluted tubule
7
A patient has the following arterial blood gases.
Plasma pH = 7.52
paCO2 = 50 mmHg
Plasma HCO3- = 39 mMoles
This patient has a _____________.
Metabolic alkalosis
8
Metabolic acidosis will result in an increase in ventilation mediated by what? (Mark all the correct answers.)
Chemoreceptors in the aortic bodied Chemoreceptors in the carotid bodies Chemosensitive cells in the medulla
9
Central chemoreceptors are in the ______________.
Medulla
10
pH is defined as - log 10 [H+] .
true
11
In response to acidosis ventilation is decreased.In response to acidosis ventilation is decreased.
false
12
What change in the ECF activates the Intercalated B cells to reabsorb hydrogen ions and secrete bicarbonate?
Alkalosis
13
What produces a respiratory acidosis?
Chronic obstructive pulmonary disease
14
Anerobic respiration of glucose produces what?
Lactic acid
15
What is a buffer system found on the inside of cells
Phosphate system Proteins
16
When a hydrogen ion is secreted into the tubular fluid in the kidney a bicarbonate ion will be reabsorbed.
true
17
What urinary buffer system accounts for the majority of acid secreted in the urinary tubular fluid in chronic acidosis and about 50% of the new bicarbonate generated in the kidney?
ammonium