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Questions and Answers
Autoregulation of GFR maintains GFR despite changes in local blood pressure and ______. Answer: flow.
Reduced blood flow triggers dilation of afferent arteriole and glomerular capillaries and constriction of ______. Answer: efferent arterioles.
Rise in renal blood pressure constricts afferent arterioles and decreases ______ blood flow. Answer: glomerular.
Tubuloglomerular feedback mechanism involves tubular and vascular cells of the ______ apparatus. Answer: juxtaglomerular.
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Macula densa cells detect changes in ______ level of the fluid flowing past. Answer: salt.
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Constriction reduces ______ flow into the glomerulus. Answer: blood.
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Tubuloglomerular feedback mechanism helps to balance the rate of ______ with the rate of fluid reabsorption. Answer: filtration.
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Autoregulation of GFR helps to maintain a stable ______ environment for the cells of the body. Answer: internal.
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Myogenic response is an example of ______ regulation. Answer: intrinsic.
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Afferent arterioles supply blood to the ______. Answer: glomerulus.
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Efferent arterioles carry blood away from the ______. Answer: glomerulus.
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Constriction of afferent arterioles reduces ______. Answer: GFR.
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Study Notes
- Autoregulation of GFR maintains GFR despite changes in local blood pressure and flow.
- Myogenic response changes the diameters of afferent arterioles, efferent arterioles, and glomerular capillaries.
- Reduced blood flow triggers dilation of afferent arteriole and glomerular capillaries and constriction of efferent arterioles.
- Rise in renal blood pressure constricts afferent arterioles and decreases glomerular blood flow.
- Tubuloglomerular feedback mechanism involves tubular and vascular cells of the juxtaglomerular apparatus.
- Macula densa cells detect changes in salt level of the fluid flowing past.
- Increased salt causes macula densa to secrete ATP and adenosine.
- ATP and adenosine cause smooth muscles of adjacent afferent arteriole to constrict.
- Constriction reduces blood flow into the glomerulus.
- Constriction reduces GFR.
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Description
"Test Your Knowledge on Renal Autoregulation and Tubuloglomerular Feedback Mechanism" - This quiz covers the essential concepts of how the kidneys regulate their own blood flow and maintain a stable glomerular filtration rate (GFR) despite changes in blood pressure and flow. From the myogenic response to the tubuloglomerular feedback mechanism, this quiz will challenge your understanding of the complex mechanisms involved in renal autoregulation. Put your knowledge to the test and identify the
