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: The set of means and systems that facilitate the contact of the infectious agent with the recipient subject corresponds to: 
 Options:  <1> Source of infection. <2> Habitat. <3> Transmission mechanism. <4> Biotope <5> Reservoir.
3

Question: The BRCA-1 gene mutation is associated with a high risk of: 
 Options:  <1> Acute myocardial infarction. <2> Breast cancer <3> Alzheimer disease. <4> Parkinson's disease <5> Tay-Sach disease.
2

Question: Question linked to image # 12 What is the most reasonable attitude at this time ?: 
 Options:  <1> Remove the entire catheter and reinsert it. <2> Extract about 10 cm the catheter and install the appropriate treatment. <3> Channel another central venous line through the jugular vein. <4> Leave it as it is because it can be used to monitor central venous pressure. <5> We can not use the catheter because it has perforated the vein and it is located in the lung.

2