Which one of the followings is wrong about alteration of cardiovascular function in acidosis? ()
A. decreased venous return
B. decreased cardiac contractility
C. increased peripheral vessel resistance
D. results in cardiac arrhythmia
E. can aggravate microcirculation disturbance
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Which one of the followings is a cause of metabolic alkalosis? ()
A. hyperpyrexia
B. shock
C. long-term fasting
D. vomiting seriously
E. acute renal failure
Which of the following is the most mainly compensation in metabolic alkalosis? ()
A. Buffer effect of blood
Buffer effect of tissue cells
C. Pulmonary compensation
D. Renal compensation
E. Dissolution of calcium phosphate in bone
The major compensation for chronic respiratory alkalosis is ()
A. Shift of ions across cell membrane and intracellular buffers.
B. Respiratory compensation.
C. renal compensation
D. blood buffers.
E. bone compensation
A patient with chronic renal failure appears vomiting severely, blood gas analysis was: pH 7.40, [HCO3- ] 26mmol/L, PaCO2 5.90kPa (44mmHg), serum Na+ 142mmol/L, and serum Cl- 96mmol/L. Your diagnosis is ()
A. normal AG metabolic acidosis
B. high AG metabolic acidosis
C. high AG metabolic acidosis plus metabolic alkalosis
D. normal AG metabolic acidosis plus respiratory alkalosis
E. mixed acidosis
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