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: A patient diagnosed with chronic renal failure has tingling and paresthesias in the legs. This is due to: 
 Options:  <1> Vascular alterations produced by hyperlipidemia. <2> Peripheral neuropathy associated with uremia. <3> Hyperphosphatemia secondary to renal osteodystrophy. <4> Decreased peripheral perfusion as a result of anemia. <5> Hypercalcemia produced by decreased glomerular filtration.
2

Question: The placenta is a derivative of: 
 Options:  <1> The zona pellucida. <2> The trophoblast. <3> The ectoderm <4> The mesoderm <5> The primitive line.
2

Question: The best strategy to provide information to patients with cancer is: 
 Options:  <1> Do not inform them so that the patient does not despair. <2> Give them all the possible information to reduce to the maximum the uncertainty that the situation causes. <3> Focus exclusively on providing information relevant to the aspects directly linked to the disease. <4> Adapt the information to the informative demands of the patients. <5> Limit to offering information to family members so they can provide it at the right time to the patient.

4