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 basic component of spectrophotometers is the monochromator. Its function is:
Options: <0> Connect the different wavelengths from the source to achieve greater light power. <1> Transform the optical signal measured by the detector into an electrical signal. <2> Disperse the light separating the wavelengths that compose it and select a narrow band. <3> Amplify the analytical signal by improving the signal-to-noise ratio. <4> Decrease the power of the light beam to eliminate the background noise of the spectrophotometer.
[A]: chemistry

[Q]: Question: The hypertension developed in hyperaldosteronism is produced by:
Options: <0> Increase in blood calcium. <1> Desensitization of the vascular wall to the vasoconstrictors. <2> Greater release of adrenaline and noradrenaline. <3> Increase in the reabsorption of Na + and H2O. <4> Decrease in blood volume.
[A]: pharmacology

[Q]: Question: Base peak in a mass spectrum is called a:
Options: <0> The largest or most intense peak. <1> The heaviest pair peak. <2> The lightest isotopic peak. <3> The peak that corresponds to its nominal mass. <4> The odd peak heavier.
[A]:
pharmacology