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: 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.
[A]: 4


[Q]: Question: To calculate the number of different genotypes in any allelic series the formula is applied: 
 Options:  <1> (n-1) / 2. <2> n x (n + 1) / 2. <3> n x (n-1) / 2. <4> (n-1) x (n + 1) / 2. <5> (2n-1) / 2.
[A]: 2


[Q]: Question: A 24-year-old man with hypogonadism of hypothalamic origin secondary to operated craniopharyngioma, undergoing intramuscular treatment with testosterone undecanoate every 12 weeks, which is referred to us from another center for follow-up. The patient interrogates us in the initial visit about the follow-up of his basic pathology, possible adverse events of the hormonal treatment and probabilities of having offspring in the future. Which of the following statements is NOT correct? 
 Options:  <1> Serum testosterone levels should be measured just before each subsequent injection. <2> The goal of treatment is to maintain serum testosterone concentrations in the normal range of normality. <3> It is indicated to check the hematocrit on an annual basis. <4> Treatment with intramuscular testosterone for a prolonged period will increase the chances of conception with your partner. <5> The treatment with testosterone does not require the monitoring of luteinizing hormone concentrations.
[A]:
4