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: Placental lactogen has equivalent effects to: 
 Options:  <1> GH <2> Insulin. <3> Oxytocin <4> Estrogens <5> FSH.
1

Question: When performing a central peripheral insertion venous catheterization procedure, the nurse must take into account that: 
 Options:  <1> The catheter is ready for use immediately after insertion, not needing further checks. <2> It is vital to perform a chest X-ray and / or an electrocardiographic record prior to its use. <3> A complete electrocardiogram should be performed in order to avoid possible complications. <4> The location of the tip of the catheter is only checked if parenteral nutrition is to be administered through it. <5> You need to check your position using a chest x-ray and another abdomen.
2

Question: In the most frequent type of esophageal atresia: 
 Options:  <1> Prenatal ultrasound performed in the third trimester allows diagnosis in 6080% of cases. <2> It is associated in 50% of cases with microgastria and neural tube defects. <3> The distance between the proximal and distal atresic pockets is greater than in the other types of atresia. <4> Gastrostomy should be performed in the first 48 hours of life to allow enteral feeding. <5> The presence of air in the stomach and small intestine on abdominal radiography confirms the existence of a distal fistula.

5