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Questions and Answers
Autoregulation of GFR maintains GFR despite changes in local blood pressure and ______. Answer: flow.
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.
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.
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.
Tubuloglomerular feedback mechanism involves tubular and vascular cells of the ______ apparatus. Answer: juxtaglomerular.
Macula densa cells detect changes in ______ level of the fluid flowing past. Answer: salt.
Macula densa cells detect changes in ______ level of the fluid flowing past. Answer: salt.
Constriction reduces ______ flow into the glomerulus. Answer: blood.
Constriction reduces ______ flow into the glomerulus. Answer: blood.
Tubuloglomerular feedback mechanism helps to balance the rate of ______ with the rate of fluid reabsorption. Answer: filtration.
Tubuloglomerular feedback mechanism helps to balance the rate of ______ with the rate of fluid reabsorption. Answer: filtration.
Autoregulation of GFR helps to maintain a stable ______ environment for the cells of the body. Answer: internal.
Autoregulation of GFR helps to maintain a stable ______ environment for the cells of the body. Answer: internal.
Myogenic response is an example of ______ regulation. Answer: intrinsic.
Myogenic response is an example of ______ regulation. Answer: intrinsic.
Afferent arterioles supply blood to the ______. Answer: glomerulus.
Afferent arterioles supply blood to the ______. Answer: glomerulus.
Efferent arterioles carry blood away from the ______. Answer: glomerulus.
Efferent arterioles carry blood away from the ______. Answer: glomerulus.
Constriction of afferent arterioles reduces ______. Answer: GFR.
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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