Glomerular Filtration Barrier
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Which one of the following correctly explains the function of a specific part of a human nephron?
Henle’s loop: Most reabsorption of the major substances from the glomerular filtrate
Podocytes: Create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule
Distal convoluted tubule: Reabsorption of K+ ions into the surrounding blood capillaries
Afferent arteriole: Carries the blood away from the glomerulus towards renal vein
- Basement membrane of DCT
- Podocytes of Bowman's capsule
- Endothelium of LOH
- Endothelium of vasa recta
Diagram represents a nephron and its blood supply. Study the diagram and answer the following question.
i) Label parts 1, 2, 3 and 4
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii)Name the blood vessel which contains the least amount of urea in the diagram.
(iv)Name the two main stages of urine formation.
(v)Name the part of the nephron which lies in the renal medulla.
- If both the assertion and the reason are true and the reason is correct explanation of the assertion.
- If both the assertion and the reason are true but the reason is not correct explanation of the assertion.
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Which of the following is not a component of the filtration membrane of kidney?
Filtration slits between podocytes
Basement membrane
Fenestrations in the wall of glomerulus
Renal tubules
- Glomerulus
- Proximal convoluted tubule
- Both B and C
- Loop of Henle
Which of the following is not a component of the filtration membrane of kidney?
Basement membrane
Fenestrations in the wall of glomerulus
Renal tubules
Filtration slits between podocytes
Label parts 1, 2, 3, and 4.
- Loop of Henle
- Malpighian corpuscle
- collecting duct
- Minor calyx
- Blood plasma minus blood proteins
- Glycogen and water
- Urea, glycogen and water
- Urea
- PCT
- DCT
- Collecting duct
- Malpighian body
The capillary epithelium, basement membrane, and podocytes together form the ______. There is a _________ charge fixed on the layers, which repels plasma components.
Filtration membrane and negative charge
Glomerulus and negative charge
Juxtamedullary Nephron and positive charge
Nephron and positive charge
- Afferent arteriole: carries the blood away from the glomerulus towards renal vein
- Podocytes: Create minute spaces (slitpores) for the filtration of blood into the Bowman's capsule
- Henle's loop: most reabsorption of the major substances from the glomerular filtrate
- Distal convoluted tubule: re-absorption of K+ ions into the surrounding blood capillaries
- Na
- K
- H2O
- C6H12O6
- Glomerular hydrostatic pressure and glomerular osmotic pressure
- Glomerular osmotic pressure and glomerular hydrostatic pressure
- Glomerular osmotic pressure and arterial pressure
- Capsular hydrostatic pressure and glomerular osmotic pressure
- positive
- neutral
- variable
- negative
- Ascending limb of loop of henle
- Collecting tubule
- Distal tubule
- Loop of Henle
- Henle's loop: most reabsorption of the major substances from the glomerular filtrate
- Distal convoluted tubule: re-absorption of K+ ions into the surrounding blood capillaries
- Afferent arteriole: carries the blood away from the glomerulus towards renal vein
- Podocytes: Create minute spaces (slitpores) for the filtration of blood into the Bowman's capsule
- positive
- neutral
- variable
- negative