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: What is cardiac output? 
 Options:  <1> The volume of blood that leaves the heart per unit of time (ml / min or l / min). <2> The complete heartbeat constituted by contraction (systole) and relaxation (diastole) in both atria and in both ventricles measured in time (sec). <3> The blood that remains in the heart when the pressure gradient determines the distension of the cardiac fibers. <4> The power gradient of the contraction, also called contractility. <5> The ventricular volume that remains constant.
[A]: 1


[Q]: Question: In disorders related to substance use, what is physical dependence? 
 Options:  <1> In a physical process of short duration. <2> In an intense sense of dissatisfaction for not being able to consume the substances. <3> In the action of consuming drugs producing a state of intoxication with psychoactive effect. <4> In a series of physical and psychic changes that take place after the administration of a substance. <5> In a state of physical adaptation manifested by intense physical disturbances when the administration of the drug is interrupted.
[A]: 5


[Q]: Question: The intestinal villi: 
 Options:  <1> They extend throughout the entire intestine. <2> They are not in the large intestine. <3> They are visible only to the electron microscope. <4> They contain only absorbent cells. <5> They lack glasses in their own lamina.
[A]:
2