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'.
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Question: Question: Indicate the amino acid that, under physiological conditions, has an uncharged side chain: 
 Options:  <1> Arginine <2> Aspartic acid. <3> Glutamic acid. <4> Lysine <5> Threonine

Answer: 5


Question: Question: The clinical sensitivity of an analytical parameter (test) is defined as: 
 Options:  <1> The mean concentrations of this test in healthy patients. <2> A pathological concentration of the test in the presence of the disease. <3> A pathological concentration of the test in the absence of the disease. <4> A normal concentration of the test in the absence of the disease. <5> A normal concentration of the test in the presence of the disease.

Answer: 2


Question: Question: The arithmetic mean and not the median: 
 Options:  <1> It is a measurement of location. <2> All the values ​​of the sample are involved in its calculation. <3> It is dimensionless. <4> It is not influenced by extreme values. <5> None is correct.

Answer:
2