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: The kidneys secrete the hormone: 
 Options:  <0> Calcitriol. <1> Renina <2> Angiotensin II. <3> Aldosterone <4> Calcitonin

SOLUTION: biology

PROBLEM: Question: Question linked to image nº15 A 67-year-old patient who reported a decrease in unilateral visual acuity and rapidly evolving metamorphopsia. The attached retinography presents the image of the affected eye. The most likely diagnosis would be: 
 Options:  <0> Macular degeneration associated with exudative age. <1> Retinal detachment. <2> Retinitis pigmentosa <3> Central vein thrombosis of the ischemic retina. <4> Equatorial choroidal melanoma.

SOLUTION: medicine

PROBLEM: Question: The independent parameter of the dissolution model, the solution efficiency, has two limitations. One of them is that the last experimental point has an arbitrary nature. What is the other limitation ?: 
 Options:  <0> At least 50% of the dose must be dissolved. <1> At least 60% of the dose must be dissolved. <2> At least 75% of the dose must be dissolved. <3> At least 80% of the dose must be dissolved. <4> At least 90% of the dose must be dissolved.

SOLUTION:
pharmacology