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 virus (virusoid) of hepatitis D (agent δ) needs to co-infect with the hepatitis virus: 
 Options:  <1> TO. <2> B. <3> C. <4> AND. <5> G.

A: 2
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Q: Question: The most frequent mechanism that induces the activation of the ABL protooncogene in chronic myeloid leukemia is: 
 Options:  <1> Point mutation <2> Gene amplification. <3> Methylation of the promoter. <4> Deletion <5> Translocation

A: 5
****
Q: Question: Which of the following medications can cause renal failure in patients with bilateral renal artery stenosis by inhibiting the constrictor tone of the efferent arteriole ?: 
 Options:  <1> Acetaminophen. <2> Diclofenac <3> Enalaprilo. <4> Metamizole <5> Furosemide.

A:
3
****