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: The demographic dynamics of a community is determined by: 
 Options:  <1> Natality <2> Mortality. <3> Immigration. <4> Emigration. <5> All are correct.

Answer: 5


Question: Question: Protein kinase A (PKA): 
 Options:  <1> It induces the synthesis of glycogen in response to an increase in glucagon in the blood. <2> It is a membrane protein that is activated in response to an increase in circulating GTP. <3> It is activated through the cAMP produced in response to an increase in adrenaline in the circulation. <4> It inhibits the lipolysis of triacylglycerides accumulated in adipose tissue, in response to an increase in intracellular cAMP. <5> It is a monomeric protein that inhibits the synthesis of ATP and muscle contraction.

Answer: 3


Question: Question: Which of the following statements about the steady-state infusion of a drug is true? 
 Options:  <1> The concentration reached in steady state of equilibrium depends exclusively on the clearance. <2> The time necessary to reach the steady state of equilibrium depends on the volume of distribution. <3> The concentration reached in a steady state depends exclusively on the elimination half-life. <4> The concentration achieved in the steady state equilibrium depends on the clearance and the infusion rate. <5> The time required to reach the steady state of equilibrium depends on the clearance.

Answer:
4