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.

Question: Which of the following pairings between anticoagulant drug and mechanism of action is INCORRECT? 
 Options:  <0> Heparin - cofactor of antithrombin III. <1> Acenocoumarol - inhibits vitamin K epoxide reductase. <2> Dabigatran - inhibits thrombin. <3> Rivaroxaban - inhibits factor Xa. <4> Warfarin - inhibits the absorption of vitamin K.
medicine

Question: A coulometric evaluation: 
 Options:  <0> You do not need the current performance to be 100%. <1> It does not need an indicator system of the end point. <2> Always use a potentiostatic system. <3> It uses a titrant that is generated electrolytically. <4> You need a burette to add the titrant.
chemistry

Question: Observe that the liquids coming from the synthesis of chloroquine had an antibacterial activity gave rise to the discovery of the quinolones. This group of antibiotics has various characteristics such as: 
 Options:  <0> Fluoroquinolones have a smaller spectrum of activity than first-generation quinolones. <1> The second generation quinolones are very effective against anaerobes. <2> Fluoroquinolones are not effective against enterobacteria. <3> Fluoroquinolones are effective against Gram-positive but less than Gram-negative. <4> The third and fourth generation fluoroquinolones are not effective against streptococci or staphylococci.

pharmacology