Rationality in game theory is defined strictly in terms of

How might a virus during the prenatal period or shortly after birth bring about the onset of a psychological disorder later in the life of that child?

a) A virus may act directly by changing the immune system of the mother and the fetus b) An infection elsewhere in the body could trigger the onset of a central nervous system disease. c) A virus may act indirectly by infecting the central peripheral nervous system of the fetus. d) A virus cannot infect the central nervous system of a fetus either directly or indirectly.

The DSM-5 differs from the DSM-IV-TR in that

a) agoraphobia is a distinct disorder rather than a subtype of panic disorder. b) agoraphobia is a subtype of panic disorder rather than a distinct disorder. c) agoraphobia is a subtype of phobic disorders rather than a distinct disorder. d) none of the above.