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'.

Question: Transketolase catalyzes the transformation of ribose-5-phosphate and xylulose-5-phosphate into: 
 Options:  <1> Two molecules of ribulose-5-phosphate. <2> Sedoheptulose-7-phosphate and glyceraldehyde-3-phosphate. <3> Fructose-6-phosphate and erythrose-4-phosphate. <4> Glyceraldehyde-3-phosphate and glucose-6-phosphate. <5> 6-Phosphogluconate and glyceraldehyde-3-phosphate.
2

Question: Which enzyme uses FAD as a coenzyme? 
 Options:  <1> Isocitrate dehydrogenase. <2> Glucose 6-phosphate dehydrogenase. <3> Succinate dehydrogenase. <4> Malate dehydrogenase. <5> Lactate dehydrogenase.
3

Question: The volume overload of the left ventricle appears in: 
 Options:  <1> Stenosis of heart valves. <2> Coarctation of the aorta. <3> Resting angina. <4> The insufficiencies of the heart valves. <5> Rheumatic fever.

4