TASK DEFINITION: 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'.
PROBLEM: Question: The diagnostic sensitivity of an analytical magnitude for a certain disease is: 
 Options:  <1> 1 / specificity. <2> It depends on the prevalence of the disease. <3> It is the number of patients that give positive results among all possible individuals. <4> It is the quotient between the number of patients who give positive results for this magnitude and the total number of patients considered. <5> It is deducted directly from the minimum detectable value of this magnitude.

SOLUTION: 4

PROBLEM: Question: Retrograde amnesia is defined as: 
 Options:  <1> Memory loss that covers the period before the onset of the disorder that gave rise to amnesia. <2> Memory loss that covers the period following the onset of the disorder that gave rise to the amnesia. <3> Partial loss of memory that covers a specific period. <4> Memory loss in the absence of an organic brain disorder. <5> Distortions or memory errors.

SOLUTION: 1

PROBLEM: Question: Which of the following characteristics is NOT typical of the contents of obsessive ideas? 
 Options:  <1> Sexual thoughts <2> Phonemes <3> Need for symmetry. <4> Pathological doubt. <5> Pollution.

SOLUTION:
2