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 thromboxanes: 
 Options:  <1> They induce platelet aggregation. <2> They inhibit platelet aggregation. <3> They act as bronchodilators in the respiratory system. <4> They are produced in the membranes of all cells. <5> They are derived from saturated fatty acids.

A: 1
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Q: Question: What type of primary prevention intervention is indicated during the pre-pathogenic period of cardiovascular diseases ?: 
 Options:  <1> Carry out the assessment of cardiovascular risk using the SCORE scale from adolescence. <2> Control of total cholesterol levels periodically based on age. <3> Blood pressure control periodically based on age. <4> Promotion of healthy lifestyles: tobacco consumption, diet and exercise mainly. <5> All measurements are indicated.

A: 4
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Q: Question: According to the recommendations of the 2010 Guide of the Spanish Council of Cardiopulmonary Resuscitation, when applying cardiopulmonary resuscitation maneuvers in an infant, the following should be done: 
 Options:  <1> Perform cardiac massage with both hands. <2> Achieve that the thorax descend between 5 and 8 cm in each compression. <3> Blow out as much air as possible when performing mouth-to-mouth ventilation. <4> Maintain a cardiac massage frequency around 200 beats per minute. <5> Use a 15: 2 compression and ventilation ratio.

A:
5
****