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'.

[EX Q]: Question: Esters can be obtained from carboxylic acids and alcohols, by applying the Fischer esterification reaction in which:
Options: <1> A base is used as a catalyst. <2> A ketone is used as the solvent. <3> A reducing reagent is used. <4> An oxidizing agent is used. <5> Acid catalysis is used.
[EX A]: 5

[EX Q]: Question: Regarding intestinal polyposis, which of the following syndromes is NOT hereditary?
Options: <1> Gardner syndrome. <2> Cronkhite-Canada syndrome. <3> Turcot syndrome. <4> Juvenile polyposis <5> Peutz-Jeghers syndrome.
[EX A]: 2

[EX Q]: Question: During the exchange process in the capillaries, the net active force that attracts fluid from the interstitial space back into the capillaries is:
Options: <1> Gravity. <2> Osmotic pressure of interstitial fluid. <3> Colloidal osmotic pressure of the plasma. <4> Hydrostatic blood pressure. <5> Glomerular hydrostatic pressure.
[EX A]:
3