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'.

Question: Pseudomonas aeruginosa is:
Options: <1> Able to ferment a large variety of sugars. <2> Often resistant to many antibiotics for medical use. <3> Responsible for toxi-alimentary infections. <4> Part of the normal microbiota of the skin. <5> A commensal bacterium of the digestive tract.
2

Question: The main pharmacological treatment for obsessive-compulsive disorder or OCD is:
Options: <1> Dopamine agonists. <2> NMDA receptor blockers. <3> Inhibitors of monoamine oxidase or MAOIs. <4> Selective serotonin or 5-HT reuptake inhibitors. <5> Neuroleptics
4

Question: They are reservoirs of Q fever (Coxiella burnetti):
Options: <1> Bats <2> Poultry. <3> Rodents <4> Dogs. <5> Cows, sheep and goats.
5