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: If a sample of size 100 has a standard deviation of 10, its typical error is:
Options: <1> 10 <2> 100 <3> 0.1 <4> one. <5> There is not enough data to calculate it.

SOLUTION: 4

PROBLEM: Question: What element plays a physiological role in the prevention of gastroesophageal reflux?
Options: <1> Upper esophageal sphincter <2> Angle of His. <3> Hernia of Hiato. <4> Purkinje angle. <5> Pyloric sphincter

SOLUTION: 2

PROBLEM: Question: What simple reinforcement programs produce a more stable response pattern ?:
Options: <1> Those of fixed ratio. <2> Those of variable reason. <3> Those of fixed interval. <4> Those of variable interval. <5> All reinforcement programs produce similar response rates.

SOLUTION:
2