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प्रश्न
If the afferent arteriole of the nephron constricts, what happens to the GFR in that nephron? If the efferent arteriole constricts what happens to the GFR in that nephron? Assume that no auto regulation takes place.
उत्तर
If the afferent arteriole of the nephron constricts, GFR is reduced. If the efferent arteriole constricts, GFR is increased.
संबंधित प्रश्न
Explain the process of formation of urine with suitable diagram
Explain the terms ultrafiltration and selective absorption
Give Reasons for the following:
As a result of ultrafiltration along with excretory products certain useful products like glucose, salt, etc. are also filtered but these are not excreted?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sometimes urine may contain certain excess vitamins.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Glomerular filtrate consists of many substances such as water, salts, glucose and white blood corpuscles.
Multiple Choice Question: Ultrafiltration occurs in:
Multiple Choice Question: In the Bowman’s capsule:
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identify the biological term
Consists of the kidneys, ureters and bladder.
Identify the biological term
Regulation of water and dissolved substances in blood and tissue fluid.
How is urea formed in the human body?
What is tubular secretion? Name the substances secreted through the renal tubules.
The human kidney is histologically divided into ____________.
During ultra:filtration, ____________ is unable to filter through the glomerular capillaries.
First step in urine formation is ______.
Minimum reabsorption occurs in ______.
The following substances are the excretory products in animals. Choose the least toxic form among them?
Name the following:
Three stages of urine formation.
