Cancer cells can be detected by NK cells when they show
A) interferons.
B) complement proteins.
C) tumor-specific antigens.
D) opsonization.
E) CD4 markers.
Question 2
Your uncle was just diagnosed with a heart attack. One of his major symptoms is left arm pain. You are not surprised because you are familiar with the phenomenon of ________ pain.
A) referred
B) phantom
C) psychosomatic
D) somatic
E) neurogenic
