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551.

Which of the following statement is not ture ?A. Descending limb of loop of henle is permeable to ureaB. DCT function in `K^(+),Na^(+)` homeostasisC. Descending limb is impermeable to waterD. Loop of Henle is largely resopnsible for concentrating urine

Answer» Correct Answer - C
552.

Loop of Henle is concemed withA. Excretory systemB. Reproductive systemC. Nervous systemD. Muscular system

Answer» Correct Answer - A
553.

Each human kidney has nearlyA. 10,000 nephronsB. 50,000 nephronsC. 1,00,000 nephronsD. 1 million nephrons

Answer» Correct Answer - D
(d) Nephrons are morphological and physiological units of kindly. Man has 10-12 lac(`10^(6)`) nephrons in each kindly.
554.

Brush border is characteristic ofA. neck of nephronB. collecting tubeC. proximal convoluted tubuleD. All of the above

Answer» Correct Answer - C
Proximal convoluted tubule is present in cortex and is convoluted. It is about 12-24 mm in length. It is lined by brush bordered cuboidal epithelium with numerous microvilli. These cells have numerous mitochondria for active transport.
555.

Brush border surface is the distinct feature of which of the following part of nephron?A. PCTB. Ascending limb of loop of HenleC. DCTD. Collecting duct

Answer» Correct Answer - A
556.

The proximal convoluted tubule has a brush border which is due toA. MicrovilliB. Minute hairsC. EndotheliumD. Folded tubes

Answer» Correct Answer - A
(a) The epithelial cells of PCT have brush border due to the presence of abundent microvilli.
557.

Certain carbonates and phosphates are removed byA. skinB. LiverC. KidneyD. None of the above

Answer» Correct Answer - A
558.

Which one of the following is correct with reference to haemodialysis?A. The dialysis unit has a coiled cellophone tubeB. Anti-heparin is added prior to haemodialysisC. Nitrogenous wastes are removed by active transportD. Blood is pumped back through a suitable artery after haemodialysis

Answer» Correct Answer - D
559.

Which one of the following is correct with reference to haemodialysis?A. Absorbs and resends excess of ionsB. The dialysis unit has a coiled cellophane tubeC. Blood is pumped back through a suitable artery after haemodialysisD. Anti-heparin is added prior to haernodialysis

Answer» Correct Answer - B
560.

Which one of the following is correct with reference to haemodialysis?A. Absorbs and resends excess of ionsB. The dialysis unit has a coiled cellophane tubeC. Blood is pumped back through a suitable artery after haemodialysisD. Nitrogenous wastes are removed by active transport

Answer» Correct Answer - B
Haemodialysis is done in the patients whose kidneys become completely non-functional. Haemodialysis is the process of diffusion across a semipermeable membrane to remove unwanted substances from the blood while adding desirabel components. The dialysis unit consists of a coiled cellophane tube kept in the dialysing fluid. the membrane of the tube is impermeable to blood cells and proteins but permeable to urea, uric acid, creatinine and mineral ions.
561.

What will happen if one kidney of a person is removedA. He will still survive and remain normalB. He will die due to blood poisoningC. Urea will go on accumulating in bloodD. Urination will stop

Answer» Correct Answer - A
(a) Other kidney will enlarge in size to perform extra work of missing kidney (compensatory hypertropy).
562.

Diuresis is the condition in whichA. the excretory volume of uine increasesB. the excretory volume of urine decreasesC. the kidneys fail to excrete urineD. the water balance of the body is disturbed.

Answer» Correct Answer - A
563.

What will happen if one kidney is removed from the body of a human poisoningA. Uremia and deathB. Stoppage of urinationC. the person will surviveD.

Answer» Correct Answer - D
If one kidney is removed, the other kidney will take over the work of the removed kidney and thus nothing will happen to the person and he will survive.
564.

What will happen if one kidney is removed from the body of a human poisoningA. death due to poisoningB. uremia and deathC. stoppage of urinationD. nothining , the person will survive and remain normal

Answer» Correct Answer - D
If one kindey is removed from the body of a human being then the person will surived and remain normal.
565.

Diuresis is the condition in whichA. the excertion of volume of urine increaseB. the excretion of volume of urine decreaseC. the kidney fail to excrete urineD. the water balance of the body is disturbed

Answer» Correct Answer - A
Diuresis is the condition in the excretion of volume of urine increase.
566.

When JG cells release renin?

Answer» JG cells releases renin when teher is a fall in glomerular blood flowglomerular blood pressure/GFR.
567.

What is the pH of urine?

Answer» Singtly acidic, average `pH=6.0`
568.

pH of urine is

Answer» Correct Answer - `6`
569.

On an average how much urea is exreted out per day

Answer» Correct Answer - 25-30 gm
570.

The urine under normal conditions does not contain glucose becauseA. glucose in the glomerular filtrate is converted into glycogen.B. glucose in the glomerular filtrate is absorbed in the uriniferous tubules.C. glucose of the blood is not filtered In the glomerulusD. the normal Mood sugar is fructose

Answer» Correct Answer - B
571.

Presence of glucose in urine is called

Answer» Correct Answer - Glycosuria
572.

Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they have no diabetes. Reason: In pregnant women the glomerular filtration rate is slightly increased. As a result the tubular load of glucose exceeds the tubular maximum for glucose reabsorption.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertin, then mark (1)B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertin, then mark (2)C. If Assertion is true statement but Reason is false, then mark (3)D. If both Assertin and Reason are false statements, then mark (4)

Answer» Correct Answer - A
573.

Amongst labels `a - d` of human urinary system, select option with correct identification and characteristics/function A. d - Cortex - Outer part of kidney with no part of nephronsB. a- Adrenal gland - Located at the anterior part of kidney. Secretes catecholamines which stimulate glycogen breakdownC. b-Pelvis - Broad funnel shaped space inner to hilum, directly connceted to loops of HenleD. c- Medull - Inner zone of kidney and contains complete nephrons

Answer» Correct Answer - B
574.

Urine is formed fromA. Tubular absorptionB. Glomerular filtrationC. Tubular secretionD. Both A and B

Answer» Correct Answer - D
575.

The nephrostomes, in the kidneys, are functional inA. RabbitB. Adult forgC. TadpoleD. Cockroach

Answer» Correct Answer - C
(c ) In the tadpoles of frogs, the siliated funnels, nephrostomes, interN//Ally open into the uriniferous tubules.
576.

Select the correct match of animal, excretory organs and productA. Salamander - kidney - ureaB. Peacock - kidney - ureaC. Housefly - renal tubules - uric acidD. Labeo - nephridal tubes - ammonia

Answer» Correct Answer - A
577.

Two examples in which the nitrogenous wastes are excered from body in the from of uric acid areA. Birds and lizardsB. Mammals and molluscC. Insects and bony fishesD. Frogs and cartialaginous fishes

Answer» Correct Answer - A
(a) Animals like birds and lizards, which live in dry conditions, have to conserve water for their survival. So, they excrete nitrogenous waste in the form of uric acid.
578.

Intestinal excretory organs of Pheretima has a function ofA. LocomotionB. RespirationC. Water balanceD. Excertion of nitrogenous waste

Answer» Correct Answer - D
579.

The yellow colour of urine is due to the presence ofA. UrochromeB. AnthoxanthineC. UrineD. Uric acid

Answer» Correct Answer - A
580.

Which of the following is excretory product of liver?A. Carbon dioxideB. BilirubinC. BiliverdinD. More than one option is correct

Answer» Correct Answer - D
581.

Seeat containsA. NaClB. Lactic acidC. Small amount of ureaD. All of these

Answer» Correct Answer - D
582.

Which one of following statements is fasleA. Presence of albumin in urine is albuminuriaB. Presence of glucose in urine is glycosuriaC. Presence of ketose sugar in urine is ketonuriaD. Presence of excess urea in blood is uremia

Answer» Correct Answer - C
583.

Which of the following is correct ?A. Afferent arteriole is narrower than the efferent arterioleB. Effect venule is narrower than veinC. Efferent arteriole is narrow than afferent arterioleD. Both afferent and effernet arteriole are of same diameter

Answer» Correct Answer - C
584.

Which of the following defines the net filtration pressure (NFP)?A. BCOP-(GHP+CHP)B. GHP-(BCOP+CHP)C. (BCOP+GHP)-CHPD. (GHP-CHP)+BCOP

Answer» Correct Answer - B
585.

Blood which leaves liver and passes towards heart has higher concentration ofA. BileB. OxygenC. RBCsD. Urea

Answer» Correct Answer - D
586.

Micturition isA. Removal of faecal matterB. Removal of `NH_(3)`C. Removal of ureaD. Removal of urine

Answer» Correct Answer - D
587.

Maximum water reabsorption occurs inA. DCTB. PCTC. Collecting ductD. Descending limb of Henle

Answer» Correct Answer - B
588.

The amino acid that acts as a carrier of ammonia from skeletal muscle to liverA. AlanineB. MethionineC. ArginineD. Glutamine

Answer» Correct Answer - D
589.

In DCT secretion of….and……occursA. `H^(+) and NH_(3)^(+)`B. `K^(+) and NH_(3)^(+)`C. `H^(+) and K^(+)`D. creatinine and urea

Answer» Correct Answer - C
590.

The function of renin isA. reabsorption of waterB. reabsorption of sodiumC. diluting the urineD. increasing sugar level in urine.

Answer» Correct Answer - A
591.

Juxtaglomercular apparatus is consists ofA. Juxtaglomercular cellsB. mascula densaC. lacis cellsD. All of these

Answer» Correct Answer - D
592.

Angiotensinogen is a protein produced and secreted byA. Macula densa celllsB. Endothelial cells (cells lining the blood vessels)C. Liver cellsD. Juxtaglomerular (JG) cells

Answer» Correct Answer - C
593.

Angiotensinogen is secreted byA. liverB. kidneyC. pancreasD. nephrons

Answer» Correct Answer - A
594.

Angiotensinogen is a protein produced and secreted byA. Macula densa cellsB. Endothelial cells (cells lining the blood vessels)C. Liver cellsD. Juxtaglomerular (JG) cells

Answer» Correct Answer - C
595.

Define the term micturition.

Answer» The process of release of urine is called micturition.
596.

Proboscis gland in Blanoglossus is associated withA. DigestionB. RespirationC. CirculationD. Excretion

Answer» Correct Answer - D
597.

Which is the largest digestive gland of our body?A. LiverB. LungC. BrainD. Stomach

Answer» Correct Answer - A
598.

Vasa react isA. L-shapedB. U-shapedC. S-shapedD. V-shaped

Answer» Correct Answer - B
599.

Figure 19 .1 7 shows human urinary system with structures labeled A-D. Select the option which correctly identifies them and gives their characteristics and/or functions. A. B-Pelvis-Broad funnel-Shaped space inner to hilum, directly connected to lonp of I lenleB. C-Medulla--Inner zone of kidney and contains complex nephronsC. D-Cortex-Outer part of kidney and do not contain any part of nephronsD. A-Adrenal glands-located at the anterior part of kidney, secretes catecholamincs which stimulate glycogen breakdown

Answer» Correct Answer - D
600.

Name the two zones of kidney.

Answer» Outer cortex and inner madulla