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'.
Example: Question: A 13-year-old girl is operated on due to Hirschsprung illness at 3 months of age. Which of the following tumors is more likely to be present?
Options: <1> Abdominal neuroblastoma <2> Wilms tumor <3> Mesoblastic nephroma <4> Familial thyroid medullary carcinoma.
Example solution: 2
Example explanation: The answer to the given question should be a tumor, therefore Wilms tumor is the correct answer for the given question.

Problem: Question: In a 60-year-old man with moderate renal insufficiency, treatment is started, without administration of loading dose, with a digitalis medication. Under these conditions, the half-life or plasma half-life of digitalis is estimated at 72 hours. Indicate how much treatment time in days should elapse from the start of treatment to reach the steady state concentration or equilibrium concentration.
Options: <1> In 3 days. <2> Between 3 and 9 days. <3> Between 12 and 15 days. <4> More than 30 days <5> More than 60 days
Solution: 3