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'.
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Question: Question: Which of the nucleophiles listed below has a greater reactivity to the bimolecular nucleophilic substitution reaction? 
 Options:  <1> Hydroxide. <2> I last. <3> Ammonia. <4> Water. <5> Acetic acid.

Answer: 2


Question: Question: A 65-year-old man with a history of pancreatic cancer undergoing chemotherapy. Emergency consultation for pain and edema of the entire lower limb from the groin. Which diagnostic test is more cost-effective to confirm the diagnostic suspicion? 
 Options:  <1> Dimer D. <2> Magnetic resonance. <3> Phlebography <4> Venous Doppler ultrasound. <5> Helical CT

Answer: 4


Question: Question: A 23-year-old boy, who makes a jump while playing basketball, falls on his right lower limb with his knee in hyperextension, applying a sharp turn to his knee while keeping his foot fixed on the ground. The patient, perceives a snap and sharp pain in his knee, unable to continue playing. Note feeling of instability when performing the support of said extremity. On clinical examination, intense articular effusion is seen, so arthrocentesis is performed, which shows an important acute hemarthrosis without the presence of droplets of fat supernatanting in the extracted fluid. The mobility of the knee is free and the Lachman maneuver is positive. What is the diagnostic suspicion? 
 Options:  <1> Break in cube handle of the inner meniscus. <2> Isolated rupture of the lateral collateral ligament. <3> Fracture by tearing of the anterior tibial spine. <4> Unicondylar fracture of the medial condyle. <5> Rupture of the anterior cruciate ligament

Answer:
5