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'.

Q: Question: Point out the INCORRECT response in relation to the primary prevention measures of skin cancer:
Options: <1> Avoid sun exposure between 12 and 15 hours. <2> Application of sun creams with high sun protection index, 15 minutes before exposure. <3> Use photoprotection to increase the time of exposure to the sun. <4> Use sunglasses, hats and appropriate clothing, as well as awnings and umbrellas. <5> Do not expose babies to the sun or to those who are being treated with immunosuppressants.

A: 3
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Q: Question: We want to compare the means of two populations that follow normal distributions and have the same variance. We take two samples of size n1 and n2. When constructing a confidence interval we will have to calculate a value t for a Student's T distribution with:
Options: <1> 2 degrees of freedom. <2> n1 + n2 - 2 degrees of freedom. <3> (n1 + n2) - 1 degrees of freedom. <4> (n1 x n2) / 2 degrees of freedom. <5> Degrees of freedom calculated with the formula of Welch or Smith-Satterwhite.

A: 2
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Q: Question: To proceed to the elaboration of suppositories by the method of discharge it is necessary to calculate the displacement factor that indicates:
Options: <1> The weight, in grams, of drug that is displaced by one gram of excipient. <2> The volume of excipient that is displaced by 100 mL of drug. <3> The weight, in grams, of excipient that is displaced by 1mL of drug. <4> The weight, in grams, of drug that is displaced by 1 mL of excipient. <5> The weight, in grams, of excipient displaced by one gram of drug.

A:
5
****