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 tube of very small diameter and about 6 meters in length that runs along the posterolateral side of the testicle and connects with the vas deferens, is it called?
Options: <1> Prostate. <2> Epididymis <3> Urethra. <4> Ependimo. <5> Seminiferous tubule.
[A]: 2

[Q]: Question: The INR (international normalized ratio) of a patient with chronic atrial fibrillation treated with Acenocoumarol is 4. This result indicates that:
Options: <1> The appearance of ventricular arrhythmias should be controlled. <2> The patient is correctly anticoagulated. <3> Anticoagulation with heparin is more indicated. <4> There is a risk of thrombus formation. <5> Signs of bleeding should be assessed.
[A]: 5

[Q]: Question: Why mechanism produces hyperprolactinemia haloperidol ?:
Options: <1> Blockade of alpha 1 adrenergic receptors. <2> Blockade of alpha-2 adrenergic receptors <3> Blocking of H1 receivers. <4> Blockade of D2 receivers. <5> Blocking of 5-HT2 receptors.
[A]:
4