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'.

[EX Q]: Question: The transmembrane proteins that bind to intracellular and extracellular proteins are: 
 Options:  <1> Ocludines. <2> Cadherins. <3> Actins. <4> Integrins <5> Desmocolinas.
[EX A]: 4

[EX Q]: Question: Alveolar pressure exceeds atmospheric pressure: 
 Options:  <1> In the initial phase of inspiration. <2> In the middle phase of inspiration. <3> In the middle phase of an expiration. <4> At the end of expiration. <5> At the end of the inspiration.
[EX A]: 3

[EX Q]: Question: Benzodiazepines reduce anxiety because they work as: 
 Options:  <1> Antagonists of GABA receptors. <2> GABA receptor agonists. <3> Antagonist of noradrenergic receptors. <4> Noradrenergic receptor agonist. <5> Antagonists of serotonergic receptors.
[EX A]:
2