A sensitized B cell typically is not activated until A) it binds ...

[kamilo84]

A sensitized B cell typically is not activated until
 A) it binds a helper T cell that releases cytokines.
  B) it binds a cytotoxic T cell.
  C) memory B cells have been cloned.
  D) it has cloned plasma cells.
  E) antibodies have been produced.

Question 2

Sympathetic nerves contain postganglionic fibers that innervate organs in which cavity?
 A) thoracic
  B) pelvic
  C) abdominal
  D) cranial
  E) abdominopelvic

[cegalasso]

Answer to Question 1

A

Answer to Question 2

A

[kamilo84]

Excellent

[kishoreddi]

Gracias!