Which statement about the glomerular filtration rate (GFR) is false?

(1) The GFR averages approximately 180 L per day

(2) The GFR will increase during fight-or-flight situations due to the vasodilation of afferent arterioles.

(3) A decrease in GFR results in a decrease in the total urine output.

(4) Renal autoregulation maintains the GFR at a relatively constant rate despite fluctuations in the mean arterial blood pressure.

Subtopic:  Formation of Urine: Ultrafiltration 1 | Formation of Urine: Ultrafiltration 2 | Formation of Urine: Ultrafiltration |
 67%
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That portion of the nephron consisting of a single layer of cuboidal cells with microvilli to increase the surface area for reabsorption is the

(1) glomerular capsule

(2) proximal convoluted tubule

(3) loop of Henle

(4) distal convoluted tubule

Subtopic:  Nephron Part 2 |
 91%
From NCERT
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The name of the blood vessel delivering blood directly to the glomerulus is the

(1) renal artery

(2) interlobar artery

(3) arcuate artery

(4) afferent arteriole

Subtopic:  Formation of Urine: Ultrafiltration |
 81%
From NCERT
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The part of the nephron that is responsible for maximum reabsorption of the filtrate is:
1. Proximal convoluted tubule
2. Loop of Henle
3. Distal convoluted tubule
4. Collecting duct

Subtopic:  Formation of Urine |
 89%
From NCERT
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A person having glycosuria and ketonuria is most likely suffering from:
1. Coronary artery disease
2. Chronic renal failure
3. Diabetes mellitus
4. Acute viral hepatitis

Subtopic:  Micturition Reflex |
 95%
From NCERT
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What is the functional filtration unit in the kidney?
1. renal tubule

2. renal corpuscle

3. nephron

4. glomerulus

Subtopic:  Formation of Urine: Ultrafiltration |
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What three physical barriers must filtrate cross within the renal corpuscle?
1. podocytes, pedicels, and filtration slits
2. macula densa, vascular pole, and parietal layer of glomerular capsule
3. glomerular endothelium, basement membrane, and podocytes
4. proximal convoluted tubules, connecting tubules, and papillary ducts

Subtopic:  Formation of Urine: Ultrafiltration 1 | Formation of Urine: Ultrafiltration |
 88%
From NCERT
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Which statement does not correctly describe the path of urine flow?
1. ducts in each renal papilla drain into a minor calyx
2. the minor calyces merge to form a major calyx
3. the major calyces combine to form the renal pelvis
4. the renal pelvis conveys urine directly to the urethra

Subtopic:  Human Kidney: Location & Cut Section |
 67%
From NCERT
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In the given diagram, the columns of Bertini are represented by the letter:

                         

1. A           

2. B

3. C         

4. D

Subtopic:  Human Kidney: Location & Cut Section |
 89%
From NCERT
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Match each item in Column I with one in Column II and choose your answer from the codes given below:

          Organism            Excretory structure
       A. Rotifers               a. Protonephridia
       B. Earthworms         b. Nephridia
       C. Cockroach           c. Antennal glands
       D. Prawns                d. Malpighian tubules

                 A.     B.     C.     D.
         1.      b      a      c      d
         2.      a      c      b      d
         3.      a      b      d      c
         4.      a      b      c      d

Subtopic:  Nitrogenous Excretory Products |
 94%
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