English
Tamil Nadu Board of Secondary EducationHSC Science Class 11

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?

Advertisements
Advertisements

Question

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.

One Line Answer
Advertisements

Solution

If the afferent arteriole of the nephron constricts, GFR is reduced. If the efferent arteriole constricts, GFR is increased.

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Excretion - Evaluation [Page 151]

APPEARS IN

Samacheer Kalvi Zoology [English] Class 11 TN Board
Chapter 8 Excretion
Evaluation | Q 10. | Page 151
Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board
Chapter 8 Excretion
Evaluation | Q 10. | Page 147

RELATED QUESTIONS

Put a tick mark (✓) against the most appropriate alternative in the following statement : 

 Besides water, the urine mainly contains :


Fill in the blank : 

Evaporation of sweat from the skin surface has ............... effect.


Define the following:  

Nephron


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 


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?


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?


What solute is normally present in the body to estimate GFR in humans?


Glomerular filtrate contains ______.


With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?


The human kidney is histologically divided into ____________.


The correct path of transport of urine is ______


Filtration of the blood takes place at ______. 


Complete the following:

Urinary excretion = Tubular reabsorption + Tubular secretion –


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×