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 excitotoxins activate: 
 Options:  <1> Nicotinic receptors <2> GABAA receptors <3> Glycine receptors. <4> NMDA receivers. <5> Na + channels dependent on voltage.
[A]: 4


[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: The technique that stimulates the cerebral cortex by applying electrical pulses through an electromagnetic coil, which is used to treat some disorders such as depression, is called: 
 Options:  <1> Transcranial magnetic stimulation. <2> Intracerebral photo stimulation. <3> Functional magnetic resonance or RMf. <4> Evoked potentials of stimulation. <5> Magnetoencephalography
[A]:
1