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: Diabetic ketoacidosis (DKA) causes disorders of the metabolism of carbohydrates, proteins and lipids. The main clinical manifestations of CAD are: 
 Options:  <1> Hypoglycaemia, dehydration with loss of electrolytes and acidosis. <2> Hyperglycemia, dehydration with loss of electrolytes and alkalosis. <3> Hypoglycaemia, increases in volemia and acidosis. <4> Hyperglycemia, dehydration with loss of electrolytes and acidosis. <5> Hyperglycemia, increases in blood volume and alkalosis.

SOLUTION: 4

PROBLEM: 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.

SOLUTION: 3

PROBLEM: Question: With respect to the pharmacological treatment for depression, it can be stated that: 
 Options:  <1> The side effects of Selective Serotonin Reuptake Inhibitors (SSRIs), such as fluoxetine, are zero. <2> Treatments with SSRIs are more effective than those using cyclic antidepressants. <3> In general, pharmacological treatments should not be combined with psychological treatments. <4> They have been shown to be effective for 50% of patients, while the efficacy of placebo would be of the order of 30%. <5> Monoamine oxidase inhibitors (MAOIs) have been shown to be superior to other antidepressants in the treatment of severe depression.

SOLUTION:
4