pathophysiology practice test (10)

pathophysiology practice test (10)

<<<<<<<<< acid-base disturbances>>>>>>>>>> <<<multiple choices>>>

published on June 17, 20129 responses 0 5.0★ / 5

the mechanisms of alkalosis in hypochloraemia are ?

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excretion of NH4 of tubular cel↓ l
the exchange of Na-H in renal tubule↑
excretion of K in kidney ↓
the reabsorption of NaHCO3 in kidney↑

AG is?

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undetermined anion
subtracting undetermined cation from undetermined
anion in plasma?
subtracting undetermined anion from undetermined
caion in plasma?
[Na]-[CI]-[HCO3]

BE -9 mmol/L may be seen in?

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metabolic acidosis
chronic respiratory alkalosis
respiratory acidosis
metabolic alkalosis

blood gas changes in uncompensated metabolic alkalosis may be?

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PaCO2 30 mmHg
BE -10
SB 29
pH 7.36

AB>SB usually indicates?

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metabolic acidosis
respiratory alkalosis
respiratory acidosis
metabolic alkalosis

respiratory alkalosis can occur in?

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emphysema
overdose of sporific
fever
hysteria

PaCO2 60mmHg may be seen in?

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metabolic alkalosis
metabolic acidosis
chronic respiratory alkalosis
respiratory acidosis

the parameters which can be influenced by PaCO2 are?

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AB
SB
AG
pH

the causes of abalienation in respiratory acidosis is?

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CO2 ↑
[Cl-]↓ in plasma
pH↓ in cerebrospinal fluid
[K]↑ in plasma

blood gas changes in uncompensated metabolic acidosis may be?

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pH 7.36
SB 29
BE -10
PaCO2 30 mmHg

AB<22 mmol/L can occur in?

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uncompensated metabolic acidosis
compensated metabolic acidosis
respiratory alkalosis
respiratory acidosis

pH 7.35 to 7.45 of arterial blood can occur in?

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normal people
compensated metabolic acidosis
compensated respiratory acidosis
respiratory acidosis plus metabolic alkalosis

the chloride responsive alkalosis can be seen in?

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hypokalemia
administration loop diuretics long period
CI loss in gastric tract
hyperaldosteronism

the dysfunction of CNS can occur in patient with?

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metabolic acidosis
metabolic alkalosis
respiratory alkalosis
respiratory acidosis

the mechanisms of alkalosis induced by severe vomitting are?

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loss a large amount of H of gastric juice
loss a large amount of K of gastric juice
loss a large amount of CI of gastric juice
loss a large amount of ECF

the identical features of intracellular buffering between metabolic acidosis and respiratory acidosis are?

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CO2 go into cells
H go into cells
Cl go into cells
HCO3 move out cells

the mechanisms of hyperkalemia in acidosis are?

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H of ECF moves into cells
ingestion of K↑ by digestive tract
K of IVF moves out cells
excretion of K↓ by epithelial cells of renal tubule

Both AB and SB decreased can be seen in?

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respiratory acidosis
chronic respiratory alkalosis
metabolic alkalosis
metabolic acidosis

blood gas changes in acute respiratory alkalosis may be?

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pH > 7.50
BE normal
AB decreases
PaCO2 ⇊

the nonvolatile acids produced in metabolic processes in our body include?

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sulfuric acid
carbolic acid
phosphoric acid
lactic acid

patient of acidosis may occur?

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responsiveness of blood vessels to catecholamines ↓
cardiac arrhythmia
myocardial contractility↓
depressed action of central nervous system

blood gas changes in compensated respiratory acidosis may be?

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pH 7.36
SB 29
BE -10
PaCO2 30 mmHg

metabolic alkalosis can occur in?

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intensive vomiting
severe diarrhea
hypokalemia
fever

the respiratory alkalosis plus metabolic acidosis can be seen in?

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sepsis
severe renal disease with chronic liver diseas
salicylate intoxication
fever with overventilation

PaCO2>47 mmHg may take place in?

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metabolic acidosis
metabolic alkalosis
respiratory acidosis
metabolic acidosis plus respiratory alkalosis