9、The most common cause of group I respiratory failure is( )

A. 　Hypertonic salt solutions must be administered to restore ECF volume

B. 　 Isotonic salt solutions must be administered to restore ECF volume

C. 　Hypotonic salt solutions must be administered to restore ECF volume

D. 　Hypertonic salt solutions must be administered to restore ICF volume

E. 　Hypotonic salt solutions must be administered to restore ICF volume

A. 　lung

B. 　brain

C. 　kidney

D. 　liver

E. 　heart

A. 　PC is vitamin K-dependent protease

B. 　APC can inhibit factor V a

C. 　APC can cleave factorI a into inactive form

D. 　The complex of thrombin and TM can activate PC

E. 　TM is an endothelial cell transmembrane protein

A. 　Urine output

B. 　CVP

C. 　Blood pressure

D. 　Pulse pressure

E. 　PAWP

A. 　Sodium loss>water loss,serum [Na+]<150mmo/L, plasma osmotic pressure<310mmol/L

B. 　Water loss>sodium loss, serum[Na+]>150mmol/L, plasma osmotic pressure>310mmo/L

C. 　Sodium loss>water loss, serum [Na+]>150mmol/L, plasma osmotic pressure>310mmol/L

D. 　Water loss>sodium loss, serum [Na+]<150mmolL, plasma osmotic pressure<310mmol/L

E. 　Sodium loss=water loss, both the serum [Na+] and plasma osmotic pressure are normal

A. 　Blood loss

B. 　Burn

C. 　Infection

D. 　Crush trauma

E. 　Dehydration

A. 　Activation of factor XII

B. 　TF expression

C. 　Formation of thrombin

D. 　ADP releasing

E. 　Activation of fibrinogen

A. 　It is a phenomenon of extensive platelets aggregation

B. 　It is the result of primarily activated fibrinolysis

C. 　It is an imbalance between blood coagulation and anticoagulation

D. 　It belongs to primary bleeding

E. 　It always leads to acute and extensive microthrombus

A. 　Hyperchloremic metabolic acidosis

B. 　Normochloremic metabolic acidosis

C. 　Metabolic alkalosis

D. 　Respiratory acidosis

E. 　Respiratory alkalosis

A. 　Peripheral vessel dilation

B. 　Decreased cardiac output

C. 　Decreased blood volume

D. 　Peripheral vessel constriction

E. 　Decreased microcirculatory perfusion of organs and tissues