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Glomerular filtration rate would be decreased
by –
by –
- a)An increase in renal blood flow
- b)Compression of the renal capsule
- c)An increase in afferent arteriolar pressure
- d)Constriction of the efferent arteriole
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Glomerular filtration rate would be decreasedby –a)An increase i...
Increased blood volume and increased blood pressure will increase GFR. Constriction in the afferent arterioles going into the glomerulus and dilation of the efferent arterioles coming out of the glomerulus will decrease GFR. Hydrostatic pressure in the Bowman's capsule will work to decrease GFR
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Glomerular filtration rate would be decreasedby –a)An increase i...
Explanation:
The glomerular filtration rate (GFR) is the rate at which fluid is filtered through the glomerular capillaries of the kidney. It is an important measure of kidney function.
To understand how GFR would be affected by the given options, let's analyze each one:
A: An increase in renal blood flow
- An increase in renal blood flow would actually increase the GFR, as more blood would be passing through the glomerular capillaries and more fluid would be filtered. Therefore, this option would not decrease the GFR.
B: Compression of the renal capsule
- Compression of the renal capsule would increase the pressure around the kidney, which would ultimately decrease the GFR. This is because increased pressure on the kidney would impede the flow of blood into the glomerular capillaries and decrease the filtration of fluid.
C: An increase in afferent arteriolar pressure
- An increase in afferent arteriolar pressure would lead to an increase in renal blood flow and an increase in GFR. Therefore, this option would not decrease the GFR.
D: Constriction of the efferent arteriole
- Constriction of the efferent arteriole would increase the pressure in the glomerular capillaries, leading to an increase in GFR. Therefore, this option would not decrease the GFR.
Therefore, the correct answer is B: Compression of the renal capsule, as it would decrease the GFR by impeding the flow of blood into the glomerular capillaries.
The glomerular filtration rate (GFR) is the rate at which fluid is filtered through the glomerular capillaries of the kidney. It is an important measure of kidney function.
To understand how GFR would be affected by the given options, let's analyze each one:
A: An increase in renal blood flow
- An increase in renal blood flow would actually increase the GFR, as more blood would be passing through the glomerular capillaries and more fluid would be filtered. Therefore, this option would not decrease the GFR.
B: Compression of the renal capsule
- Compression of the renal capsule would increase the pressure around the kidney, which would ultimately decrease the GFR. This is because increased pressure on the kidney would impede the flow of blood into the glomerular capillaries and decrease the filtration of fluid.
C: An increase in afferent arteriolar pressure
- An increase in afferent arteriolar pressure would lead to an increase in renal blood flow and an increase in GFR. Therefore, this option would not decrease the GFR.
D: Constriction of the efferent arteriole
- Constriction of the efferent arteriole would increase the pressure in the glomerular capillaries, leading to an increase in GFR. Therefore, this option would not decrease the GFR.
Therefore, the correct answer is B: Compression of the renal capsule, as it would decrease the GFR by impeding the flow of blood into the glomerular capillaries.
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Glomerular filtration rate would be decreasedby –a)An increase in renal blood flowb)Compression of the renal capsulec)An increase in afferent arteriolar pressured)Constriction of the efferent arterioleCorrect answer is option 'B'. Can you explain this answer?
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