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: Which of these statements is NOT a characteristic of phase I clinical trials? 
 Options:  <1> They usually have non-therapeutic goals. <2> They can be done in healthy volunteers. <3> They can be done in patients. <4> They are usually randomized. <5> They are usually open.

Answer: 4


Question: Question: An increase in blood pressure between 80 and 150 mmHg increases diuresis because: 
 Options:  <1> The glomerular filtration increases exponentially. <2> Decreases the peritubular reabsorption of water. <3> The efferent arteriole contracts. <4> Proportionally increases renal blood flow. <5> The afferent arteriole contracts.

Answer: 2


Question: Question: Iodine is poorly soluble in water ( 0.001M). Therefore, to obtain useful solutions as an analytical reagent it is dissolved in: 
 Options:  <1> 0.1 M potassium nitrate <2> Perchloric acid 0.01 M. <3> Excess of calcium nitrate. <4> Potassium iodide. <5> Hot water.

Answer:
4