Renal System Physiology Physioex

Exercise 9 Renal System Physiology operation 3 Renal Response to Altered Blood Pressure testing ground ReportPre-lab test ResultsYou scored 25% by seting 1 out of 4 questions correctly. 1. If both another(prenominal) variables are unp let outed constant, how does the centripetal arteriola spoke affect the account of glomerular filtration (select all that apply)?Your dissolvent b. A reduced cortico corticoafferent arteriola wheel spoke exit increase the app get up of glomerular filtration.Correct act c. An increased afferent capillary artery radius forget increase the value of glomerular filtration. . A decreased afferent arteriole radius will decrease the outrank of glomerular filtration.2. If all other variables are unploughed constant, how does the motorial arteriole radius affect the send of glomerular filtration (select all that apply)?Your termination d. A decreased efferent arteriole radius will decrease the pace of glomerular filtration.Correct dish up a. An increased efferent arteriole radius will decrease the rate of glomerular filtration. b. A decreased efferent arteriole radius will increase the rate of glomerular filtration.3. If all other variables are kept constant, how does crosscurrent instancy affect the rate of glomerular filtration (select all that apply)?Your answer c. If wrinkle impel goes down, the rate of glomerular filtration goes up.Correct answer b. If birth extort goes up, the rate of glomerular filtration goes up. d. If relationship pressure goes down, the rate of glomerular filtration goes down.4. In the absence of other renal processes (including tubular reabsorption and secretion), much glomerular filtration leads to a larger urine volume.You correctly answered a. trueExperiment Results foresee Question Predict Question What will happen to the glomerular capillary pressure rate and glomerular filtration rate if both of these arteriole radii interpolates are implemented at the same time with the rugged blood pressure condition?Your answer b. Glomerular filtration rate and pressure will rise above baseline values.Stop & Think QuestionsIf blood pressure were to drop (for example, as the result of blood loss), what changes in the nephron would allow the kidney to maintain ts normal glomerular filtration rate (select all that apply)?Your answer c. afferent arteriole constrictionCorrect answer a. afferent arteriole dilatation d. efferent arteriole constriction2. Comparing the glomerular filtration rate and glomerular capillary pressure with the baseline values (from the counterbalance run), how in force(p) was the increased afferent arteriole radius in compensating for the low blood pressure?Your answer b. The afferent arteriole dilation alter the low glomerular capillary pressure and filtration rate marginally.Correct answer c. The afferent arteriole dilation returned the low glomerular capillary pressure and filtration rate almost to baseline values.3. Comparing the glom erular filtration rate and glomerular capillary pressure with the baseline values (from the first run), how effective was the decreased efferent arteriole radius in compensating for the low blood pressure?You correctly answered b. The efferent arteriole constriction improved the low glomerular capillary pressure and filtration rate marginally.Experiment DataPost-lab Quiz ResultsYou scored 0% by answering 0 out of 4 questions correctly. 1. If all other variables are kept constant, when blood pressure decreases, glomerular filtrationYour answer b. remains approximately the same.Correct answer c. ecreases.2. If afferent arteriole radius decreases in response to an increase in blood pressure, then glomerular filtrationYour answer a. increases.Correct answer b. remains approximately the same.3. If all other variables are kept constant, when the efferent arteriole radius decreases, glomerular filtrationYour answer c. decreases.Correct answer a. increases.4. With blood pressure held at a c onstant value, which of the following combinations will raise the glomerular filtration rate above baseline values? Your answer c. afferent rteriole constriction and efferent arteriole constrictionCorrect answer b. afferent arteriole dilation and efferent arteriole constrictionReview Sheet Results1. List the several mechanisms you have explored that change the glomerular filtration rate. How does each mechanism specifically alter the glomerular filtration rate?Your answer Renal mechanisms have effects on water body waste . GFR is large compared to the amount of urine produced. Most water in the sift because of renal processes and independent of ADH action2.Describe and explain what happened to the glomerular capillary pressure and glomerular filtration rate when both arteriole radii changes were implemented at the same time with the low blood pressure condition. How well did the results compare with your prediction?Your answer The simultaneously implementation of both arteriole ra tes changing caused glomerular filtration rate and low blood pressure conditions went above the baseline value.3. How could you adjust the afferent or efferent radius to compensate for the effect of reduced blood pressure on the glomerular filtration rate?Your answer You can co nstrict or dilate them.4. Which arteriole radius adjustment was more effective at compensating for the effect of low blood pressure on the glomerular filtration rate? Explain why you think this difference occurs.Your answer in that respect was a greater increase of glomerular pressure when afferent radius is increased rather than the decrease of the efferent radius.5. In the body, how does a nephron maintain a near-constant glomerular filtration rate despite a invariably fluctuating blood pressure?Your answer Auto-regulation