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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
Glucose is taken back from glomerular filtrate ___________
(A) along with concentration gradient
(B) against concentration gradient
(C) by simple diffusion
(D) by tubular secretion
Explain the process of formation of urine with suitable diagram
Draw neat and labelled diagrams of Malpighian capsule
Define the following:
Nephron
What is meant by osmoregulation?
State if the following statement is true or false. Correct the statement if it is false.
The Bowman’s capsule and glomerulus together form the Malpighian body.
Differentiate between
bowman’s capsule and glomerulus.
Give the working of the nephron.
Multiple Choice Question: Ultrafiltration occurs in:
Answer the following question.
Effective filtration pressure was calculated to be 20 mmHg; where glomerular hydrostatic pressure was 70 mm of Hg. Which other pressure is affecting the filtration process? How much is it?
When a molecule or ion is reabsorbed from the lumen of the nephron, where does it go? If a solute is filtered and not reabsorbed from the tubule, where does it go?
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
Identify the biological term
A liquid which gathers in the bladder.
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
The correct path of transport of urine is ______
Filtration of the blood takes place at ______.
Minimum reabsorption occurs in ______.
The following substances are the excretory products in animals. Choose the least toxic form among them?
How does tubular secretion help in maintaining ionic and acid-base balance in body fluids?
Write full form of the following abbreviation:
DCT
