TASK DEFINITION: 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.
PROBLEM: Question: Could a glass electrode be used as a reference electrode ?:
Options: <0> Yes, if the glass electrode is a combined electrode. <1> Yes, if a mercury electrode is used as the indicator electrode. <2> No, since the glass electrode is a selective electrode. <3> No, because its foundation is not Nerstian. <4> Yes, if the determination is made in a buffered medium.

SOLUTION: chemistry

PROBLEM: Question: They are fragments of the cytoplasm of a precursor cell:
Options: <0> Lymphocytes <1> Megakaryocytes <2> Monocytes <3> Platelets. <4> Erythrocytes

SOLUTION: biology

PROBLEM: Question: Of the following pairs of surface molecules, what is used by the virgin T lymphocytes to extravasate to the lymph node?
Options: <0> CCR7 and L-selectin. <1> VCAM and L-selectin. <2> CCR7 and ICAM-1. <3> CCR9 and L-selectin. <4> CCR4 and VCAM-1.

SOLUTION:
pharmacology