新鲜血液不宜采用下列哪种抗凝剂抗凝()
A. EDTA
B. 枸橼酸钠
C. 肝素
D. 柠檬酸钠
According to the causes and manners poisoning death mainly include?()
Accidental poisoning
B. Suicidal poisoning
C. Homicidal poisoning
D. All above
when someone is in a poisoning stage, the poison could produce a series of symptoms.()
A. Vomitting
B. Diarrhea
Coma
D. All above
The physical and chemical properties of carbon monoxide includes?( )
A. Colorless
B. Odorless
C. Tasteless
D. Above all