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'.

[Q]: Question: The thromboxanes:
Options: <1> They induce platelet aggregation. <2> They inhibit platelet aggregation. <3> They act as bronchodilators in the respiratory system. <4> They are produced in the membranes of all cells. <5> They are derived from saturated fatty acids.
[A]: 1

[Q]: Question: What drug should be recommended for the treatment of juvenile myoclonic epilepsy?
Options: <1> Phenobarbital. <2> Valproic acid. <3> Oxcarbazepine <4> Diphenylhydantoin. <5> Topiramate.
[A]: 2

[Q]: Question: Regarding benign prostatic hypertrophy, it is NOT true that:
Options: <1> Abdominal ultrasound is a non-invasive method to assess prostate size and post-voiding residual. <2> It can cause increases in PSA levels. <3> Rectal examination is a method to estimate prostate size. <4> Treatment with 5-alpha reductase inhibitors decreases symptoms. <5> It is a precancerous lesion.
[A]:
5