PYSO 1: Lab 8 Ex. 2C: Coffee -Change in Flow Rate over Time Coffee contains caff
ID: 3520181 • Letter: P
Question
PYSO 1: Lab 8 Ex. 2C: Coffee -Change in Flow Rate over Time Coffee contains caffeine, which is a diuretic. Generate a hypothesis predicting how the caffeinated coffee will affect urine production. Table 2C shows the data collected by a test subject who drank coffee and recorded the volume of urine produced over 100 mi rate of urine (ml/min) over time using the data in Table 2C. Discuss your hypotheses and results, consumption of nutes. Then graph the change in flow your know 9b) Calculate urine flow rate and then graph the flow rate vs. time to illustrate the change in urine volume produced over time (ml/min). You will have 1 smooth curve. Label the x-axis "Time" and the y-axis with “flow rate." (include units) Flow Rate (ml/min) 100ml/60min = 1 .67 70 ml/20min 35 145 m/20min-725 50 ml/20min 25 35 ml/20min-1.75 49 ml/20min 2.45 Time min Volume 20 40 100 mL 70 mL 145 mL 0050 mL 80 35 mL 49 mL CHANGE OF FLOW RATE OVER TIME -Table 2C: Coffee 20 40 60 80 100 TIME (MIN)Explanation / Answer
9a)the effect of coffee drinking on the urine excretion is there is an increase in the urine excretion who drank coffee because coffee contain caffeine it is stimulant there fore causing changesin metabolism as well as increase in focus and energy, and it acts as diuretic which increases the urine output, this is because there is increase in the golmerular blood pressure or blood pressure within capillaries in the kidney this in turn increases blood filtration resulting in an increase in urine and the caffiene also prevents sodium ion resorption which increases urination but decreases water filtration because water filters from the blood through the kidney and into the bladder during sodium resorption. 9c) caffeine increases the urine flow rate with immediate effect, the inferences from the experiment it indicates that the increase in volume there is increase in the urine flow rate and decrease in the volume results in decrease in the flow rate of the urine, there time is taken is in equal time of differences.
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