In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

[EX Q]: Question: The hepatic synthesis of methionine from homocysteine requires:
Options: <0> Methylmalonyl-CoA mutase. <1> Methylcobalamin. <2> 5'-Adenosilcobalamin. <3> Coenzyme B6. <4> Methionine adenosyl transferase.
[EX A]: chemistry

[EX Q]: Question: The terpene that contains 10 carbon atoms and is derived from two isoprene units is called:
Options: <0> Diterpene <1> Monoterpene <2> Sesquiterpene <3> Triterpene <4> Meroterpeno.
[EX A]: chemistry

[EX Q]: Question: Question linked to the image n13 A 12-year-old boy who goes to primary care Pediatrics for fever, vomiting, abdominal pain and diarrhea. On cardiopulmonary auscultation, he presents with an ejection systolic murmur II / VI in a pulmonary focus with a fixed second unfolded noise, the remainder being the normal physical examination. For the evaluation of the murmur the pediatrician performs an ECG that is shown below. In relation to the interpretation of it, please indicate below the correct answer:
Options: <0> It is a normal ECG. <1> He presents a first-degree atrioventricular block as the only alteration. <2> It presents a left extreme QRS axis. <3> It presents a QRS axis deviated to the right with an rsR' pattern. <4> There are clear signs of left ventricular hypertrophy.
[EX A]:
medicine