The most fundamental qi of human body is （ ）。 A: Primordial qi B: Pectoral qi C: Nutritive qi D: Defensive qi

49.The most fundamental qi of human body is ( ) A: Primordial qi B: Pectoral qi C: Nutritive qi D: Defensive qi

Screening<br/>programs belong to ( ) A: primordial<br/>prevention B: primary<br/>prevention C: secondary<br/>prevention D: tertiary<br/>prevention

Which flow all over the body , and outside the blood vessels? A: primordial qi B: defensive qi C: nutritive qi D: pectoral qi E: vital qi