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'.

[EX Q]: Question: With vaginal ultrasound, from how long after conception is it possible to see an embryo with a heartbeat? 
 Options:  <1> Between 14 and 21 days. <2> Between 21 and 28 days. <3> Between 28 and 35 days. <4> Between 35 and 42 days. <5> Between 42 to 49 days.
[EX A]: 2

[EX Q]: Question: Somatomedin IGF-1 causes: 
 Options:  <1> Secretion of GHRH. <2> Protein catabolism. <3> Hyperglycemia <4> Activation of osteoblasts <5> GH secretion
[EX A]: 4

[EX Q]: Question: Crohn's disease is an inflammatory process that is characterized by: 
 Options:  <1> It affects the superficial mucosa of the colon. <2> It usually occurs with rectal bleeding. <3> The affectation is uniform, producing continuous injuries. <4> The colectomy cures the disease. <5> It affects any stretch of the gastrointestinal tract.
[EX A]:
5