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: 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.

Answer: 2


Question: Question: Question linked to image nº6 29-year-old woman smoker. Consultation for nocturnal cough and dyspnea on exertion. Provides a chest CT performed at your health center (see image). What is the radiological diagnosis of suspicion? 
 Options:  <1> Mediastinal broadening. <2> Bibasal interstitial infiltrate. <3> Aortic dilatation <4> Atelectasia lobar. <5> Growth of right cavities.

Answer: 1


Question: Question: What cognitive technique is used in Rational Emotive Behavior therapy to help people who have intellectual difficulties? 
 Options:  <1> Reduction to the absurd. <2> Cognitive distraction <3> Training in social skills. <4> Rational-emotive imagination. <5> Training in self-instructions.

Answer:
5