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: 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.

Answer: 1

Question: Question: What speed of perfusion of a drug should you administer to achieve a plasma equilibrium concentration of 10 mg / L knowing that it has a plasma clearance of 500 mL / h? (continuous perfusion):
Options: <1> 50 mg / h. <2> 5 mL / h. <3> 100 mg / h. <4> 100 mg / mL. <5> 5 mg / h.

Answer: 5

Question: Question: In a quasi-experimental design:
Options: <1> There is no specific intervention by the researcher on the independent variable or treatment. <2> Spontaneous behavior is studied in natural situations. <3> It constitutes the maximum degree of intervention and internal control. <4> Study groups can not be organized by random assignment. <5> It represents the maximum degree of naturalness and the minimum internal control.

Answer:
4