When an antigen is bound to a Class II MHC protein, it can activate a ________ cell.
A) plasma
B) helper T
C) NK
D) suppressor T
E) cytotoxic T
Question 2
The spinal tract that unconsciously maintains balance and muscle tone is the ________ tract.
A) lateral corticospinal
B) anterior corticospinal
C) rubrospinal
D) reticulospinal
E) vestibulospinal