8、The most dangerous stage of oliguric type of acute renal failure is( )

A. 　Cardiac edema

B. 　Renal edema

C. 　Inflammatory edema

D. 　Hepatic edema

E. 　Nutritional edema

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. 　It converts prothrombin to thrombin

B. 　It activates factor III

C. 　It activates factor I

D. 　It activates protein C system

E. 　It activates prekallikrein

A. 　 Diffusion impairment

B. 　 Respiratory center inhibition

C. 　 Respiratory muscle paralysis

D. 　 Central airway obstruction

E. 　 Chronic obstructive pulmonary disease

A. 　Dullness

B. 　Decrease in blood pressure

C. 　An increase of pulse pressure

D. 　Cyanosis

E. 　Anuria

A. 　disorder of K+-Ca + exchange

B. 　disorder of Na+-Ca + exchange

C. 　disorder of H+-Ca + exchange

D. 　disorder of P3+-Ca2+ exchange

E. 　disorder of Mg +-Ca + exchange

A. 　Hyperchloremic metabolic acidosis

B. 　Normochloremic metabolic acidosis

C. 　Metabolic alkalosis

D. 　Respiratory acidosis

E. 　Respiratory alkalosis

A. 　Hypokalemic periodic paralysis

B. 　Overdose of insulin to patients with diabetes mellitus

C. 　Inadequate K+ intake

D. 　Excessive renal or gastrointestinal K+ loss

E. 　Alkalosis

A. 　Cirrhosis

B. 　Severe malnutrition (dystrophy)

C. 　Anemia

D. 　Malignant tumor

E. 　Nephrotic syndrome

A. 　 Decreased filtration area

B. 　 Decreased glomerular capillary pressure

C. 　 Tubular backleak of ultrafiltrate

D. 　 Increased Bowman's pressure

E. 　 Neither of the above、