In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

[EX Q]: Question: What thrombophilia study would be of interest to a woman with repeat abortions?
Options: <1> Determination of fibrinogen. <2> C-reactive protein. <3> PAI-1. <4> Lupus anticoagulant. <5> Reptile time.
[EX A]: 4

[EX Q]: Question: An isolated carbon atom is:
Options: <1> Diamagnetic <2> Ferromagnetic. <3> Paramagnetic, with an unpaired electron. <4> Paramagnetic, with two unpaired electrons. <5> Paramagnetic, with three unpaired electrons.
[EX A]: 4

[EX Q]: Question: In the DSM-IV classification, bipolar disorder is included within mood disorders. Is defined as:
Options: <1> Syndrome that involves a set of symptoms such as sadness, guilt or loss of vital impulse. <2> Decrease in the ability to obtain pleasure, which leads the person to isolation and unproductivity. <3> Disorder characterized by the presence of episodes of euphoria or depression alternating with eutimia phase. <4> Alteration induced by substances that produce an expansive or irritable mood. <5> Affective state of a relatively autonomous and lasting character over time.
[EX A]:
3