Which of the following plays a principal role in buffering volatile acid ()?
A. Bicarbonate buffer system
B. Inorganic phosphate buffer system
C. Hemoglobin buffer system
D. Plasma protein buffer system
E. Organic phosphate buffer system
查看答案
The situation of AB>SB means ( )
A. HCO3- retention
B. Excessive HCO3- excretion
CO2 retention
D. Excessive CO2 expiration
E. Fixed acid retention
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
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
微信支付 
支付宝支付