21. _____ is used occasionally to give children transient protection against measles, or hepatitis A. A: Human gamma globulin B: Gamma-G globulin C: Serum derived from immunized horses D: Plasma from immunized individuals

What should be injected while been deeply stabbed by the rusted nail() A: γ-globulin B: tetanus toxoid C: tetanus antitoxin D: DPT E: tetanus attenuated<br/>vaccine