instruction:
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:
Question: A 45-year-old patient who went to the emergency room for general malaise, headache and progressive tiredness in recent weeks. On physical examination, a slight icteric dye of the skin and mucous membranes was detected and a 2-cm splenomegaly was felt under the costal margin. The analytical presents hemoglobin 8.6 g / dL, VCM 100 fL. The number of reticulocytes is high and anisopoikilocytosis is observed in the blood smear. In the biochemistry highlights LDH 1300 IU / L, bilirubin 2.2 mg / dL and undetectable haptoglobin. Which test is the most appropriate to guide the diagnosis of the patient? 
 Options:  <1> Fecal occult blood test. <2> Test of Coombs. <3> Determination of iron, cobalamin and folic acid. <4> Abdominal ultrasound. <5> Bone marrow aspirate.
answer:
2


question:
Question: Nitric oxide: 
 Options:  <1> It is synthesized from methionine. <2> Activates cAMP-dependent protein kinase (PKA). <3> It binds to receptors coupled to G proteins (GPCR). <4> Induces relaxation of the vascular endothelium. <5> It binds to receptors with protein tyrosine kinase (PTK) activity.
answer:
4


question:
Question: With respect to the behavior of obstetric patients exposed to Varicella, it is FALSE: 
 Options:  <1> Infected women should be separated from other obstetric patients. <2> All obstetric patients exposed, without certainty of prior immunity, must make a serological determination of their immunization status. <3> Specific immunoglobulin should be administered to exposed non-immune obstetric patients. <4> The maximum period for administering the specific immunoglobulin after contact is 96 hours. <5> Pregnant women without immunity to Varicella-Zoster virus can be vaccinated during pregnancy to prevent primary infection.
answer:

5