T cells are critical for innate immunity. _____
举一反三
- People's understanding of immunity started from infectious diseases and anti-infection immunity.
- The basic features of infectious disease are A: There are infectivity, pathogen, epidemic, immunity. B: There are infectivity, patients, immunity, epidemic. C: There are source of infection, route of transmission, susceptibility, immunity. D: There are infectivity, epidemic, endemic, relapse. E: There are pathogen, reinfection, epidemic, immunity.
- The innate mechanisms of host immunity play a role in the defense of the body only after specific defense mechanisms have failed to defend the body.
- 转基因小鼠技术采用的细胞是( )。 A: ES cells B: EG cells C: B cells D: T cells
- The patient, male, 30 years old, was found HIV antibody positive in physical examination. Which kind of cells in his body is most significantly reduced A: CD4 + T cells B: CD8 + T cells C: B cells D: NK cells E: Monocytes