In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Question: What is the relationship between turbidimetry and nephelometry? 
 Options:  <1> Nephelometry is the inverse of turbidimetry. <2> Turbidimetry is more sensitive than nephelometry. <3> Nephelometry can be measured with a conventional spectrophotometer. <4> Both technologies measure the dispersion of light. <5> Both technologies are the most sensitive and used in clinical laboratories.
4

Question: The area that acts as a connection between automatic emotional responses and the control of complex behaviors, guiding behavior to control the manifestation of emotional responses, is: 
 Options:  <1> The angular gyrus of the limbic system. <2> The convolution or lobe of the insula. <3> The prefrontal orbitofrontal or ventromedial cortex. <4> The thalamus <5> The cortex of somatosensory association.
3

Question: The Chichibabin reaction is an example of nucleophilic substitution in a ring of: 
 Options:  <1> Benzene. <2> Anthracene <3> Biphenyl <4> Pyridine <5> Pirrol.

4