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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.
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उत्तर
If the afferent arteriole of the nephron constricts, GFR is reduced. If the efferent arteriole constricts, GFR is increased.
संबंधित प्रश्न
One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
ADH, Water, pituitary, osmoregulation, urine
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:
Glomerular filtrate consists of many substances such as water, salts, glucose and white blood corpuscles.
Write the functional activity of the following structure: Bowman’s capsule
Choose the correct option.
Tubular secretion does not take place in ______.
In which segment of the nephron most of the re-absorption of substances takes place?
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
Identify the biological term
Produced when blood is filtered in a Bowman’s capsule.
Identify the biological term
A liquid which gathers in the bladder.
Identfiy the biological term
Temporary storage of urine.
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Each contains a glomerulus.
Identify the biological term
Consists of the kidneys, ureters and bladder.
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 ____________.
Proximal convoluted tubule differs from distal convoluted tubule being lined by ______
The pH of human urine is approximately ______.
What are the main processes of urine formation?
Complete the following:
Urinary excretion = Tubular reabsorption + Tubular secretion –
