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'.
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Question: Question: In relation to the bacterial growth in liquid medium not renewed, which of the following statements is correct? 
 Options:  <1> The generation time is a constant parameter. <2> The phase of exponential growth is perpetual. <3> There is a direct relationship between the specific growth rate and the generation time. <4> There is an inverse relationship between the specific growth rate and the generation time. <5> The generation time and the specific growth rate are not related.

Answer: 4


Question: Question: In the scheme of the stages of Tanner's pubertal development, the stage or level 5 in women corresponds to: 
 Options:  <1> Light bulge of the breast button and increase of the areolar size. <2> Growth of the breast, presence of light pubic hair and roundness of the hips. <3> Slight mammary protrusion and beginning of roundness of the hips. <4> Full development of the breast and triangle of full pubic hair as in adult women. <5> The beginning of the thelarchy.

Answer: 4


Question: Question: The 2,4-diaminopteridine systems, such as aminopterin or methotrexate, are good antitumor agents since they reduce the biosynthesis of purines and pyrimidines by inhibiting the enzyme: 
 Options:  <1> Timidylate synthetase <2> Aromatase <3> Topoisomerase <4> Reverse transcriptase <5> Dihydrofolate reductase.

Answer:
5