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.

Q: 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.

A: chemistry
****
Q: Question: The blood flow velocity is maximum in: 
 Options:  <0> Great arteries <1> Distribution arteries. <2> Arterioles <3> Capillaries <4> Venules

A: biology
****
Q: Question: Echinocandins are antifungal compounds that act by inhibiting: 
 Options:  <0> The synthesis of ergosterol. <1> The synthesis of the cell wall. <2> The synthesis of DNA. <3> The synthesis of proteins. <4> The formation of microtubules.

A:
pharmacology
****