Excretory Products and their Elimination Test

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Excretory Products and their Elimination Test - 1

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Weekly Quiz Competition

Question 1
4 / -1

Which one of the following does not constitute a part of singleuriniferous tubule?

A
Distal convoluted tubule

B
Glomerulus

C
Collecting duct

D
Loop of Henle

Solution

The correct option is B Glomerulus
The uriniferous tubule is divided into the proximal tubule, the intermediate (thin) tubule, the distal tubule and the collecting duct. So, glomerulus does not belonging uriniferous tubule.
Question 2
4 / -1

Which one of the following is not a part of renal pyramid?

A
Perltubular capillarles

B
Convoluted tubules

C
Collecting ducts

D
Loop of Henle

Solution

Renal pyramids are the conical areas of medulla. Peritubular capillaries, collecting ducts and loop of Henle lie in the renal pyramids while convoluted tubules lie in the contex of the kidney.
Question 3
4 / -1

Which of the following statements is correct?

A
Vasa recta is well developed in cortical nephones.

B
PCT and DCT are situated in the medulla of the kidney.

C
The glomerulus encloses the Bowman's capsole.

D
The ascending limb of the Henle's loop extends as the DCT.

Solution

The thick segment of the ascending limb of Henle's loop extends as DCT. Cortical nephrons do not have vasa recta. PCT and DCT are situated in cortex of the kidney. Bowman's capsule encloses the glomerulus.
Question 4
4 / -1

Select the option that correctly identifies the parts lateral from A to F in the given figure of nephron.

A
a

B
b

C
c

D
d
Question 5
4 / -1

Read the given statements and select the correct option.
Statement 1: The urinary bladder dilates a good deal as arine trickles into it from the ureters.
Statement 2: Urinary bladder is lined throughout by transitional epithelium.

A
Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

B
Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.

C
Statement 1 is correct and statement 2 is incorrect.

D
Both statement 1 and 2 are incorrect.

Solution

Transitional epithelium permits distension. The transitional epithelium of urinary bladder can be stretched considerably, thus, it dilates a good deal as urine enters into it.
Question 6
4 / -1

Match Column-I with Column-II and select the correct option from the codes given below.
Column-I
(A) Delivers blood to glomerulus
(B) Carries urine to pelvis
(C) Collects filtrate form Bowman's capsule
(D) Loop of Henle
Column-II
(i) Ascending and descending limbs
(ii) Renal artery
(iii) Collecting duct
(iv) PCT

A
A-(ii), B-(iii), C-(iv), D-(i)

B
A-(i), B-(iii), C-(ii), D-(i)

C
A-(ii), B-(iv), C-(i), D-(iii)

D
A-(iv), B-(iii), C-(ii), D-(i)
Question 7
4 / -1

The dotted appearance of cortex of kidney is do

A
ducts of Bellini

B
convoluted part

C
loop of Henle

D
collecting tubes

Solution

The dotted appearance of cortex of kidney is due to the presence of convoluted parts of the tubule (proximal and distal convoluted tubules).
Question 8
4 / -1

A notch present on the inner medial side of kidney is known as

A
ureter

B
pelvis

C
hilus

D
pyramid

Solution

The medial concave border of a kidney contains a notch known as hilus through which the renal artery enters and the renal vein and ureter leave the kidney.
Question 9
4 / -1

Renin is released by

A
Loop of henle

B
Collecting duct

C
Juxtaglomerular apparatus

D
Pelvis

Solution

A fall in glomerular blood flow/glomerular blood pressure/glomerular filtration rate can activate the jwtaglomerular cells to release renin which regulates the kidney function.
Question 10
4 / -1

The basic functional unit of human kidney is

A
nephon

B
Heole's loop

C
nephron

D
pyramid

Solution

A nephron is a unit of structure and function in a kidney. Each kidney contains about a million nephrons A nephron is a long tubule differentiated into Bowman's capsule, PCT, loop of Henle and DCT, each part is having its own partiular function.
Question 11
4 / -1

Consider the following statements each with one or two blanks.
(i) Towards the centre of the inner concave surface of the kidney is a notch called (1) through which ureters, blood vessels nerves enter.
(ii) The medullia of kidney is divided into a few conical masses called (2) projecting into (3).
(iii) Glomerulus is a tuft of capillaries formed by the (4) artery. Blood from the dlomerulus is carried away by an (5) artery.
Which one of the following options correctly fills the blanks in any two of the statements?

A
(1)-renal pelvis, (2)-calyces, (3)-medullary pyramids

B
(2)-medullary pyramids, (3)-calyces, (4)-afferent, (5)-efferent

C
(2)-columns of Bertini, (3)-chordae tendinae, (4)-efferent, (5)-afferent

D
(1)-hilum, (4)-efferent, (5)-afferent
Question 12
4 / -1

The longest loop of Henle is found in

A
kangaroo rat

B
opposum

C
rhesus monkey

D
porcupine

Solution

Kangaroo rat lives in desert, therefore, it needs to conserve water in the body. In kangaroo rat, loop of Henle is significantly longer as it descends further into the medulla and produces a higher concentration gradient in the surrounding tissue so as to produce urine which is 18 times concentrated than that of their blood. This gradient allows more water to diffuse into surrounding tissues to be reabsorbed.
Question 13
4 / -1

The number of nephorns in a kidney is equal to

A
The numebr of Bowman’s capsules

B
The sum of Bowman's capsule and malpighian bodies

C
The sum of Bowman's capsules and glomeruli

D
Double the number of Bowman's capsules

Solution

Each nephron has a blind cup shaped structure called Bowman's, capsule. Bowman's capsule encloses glomerulus and is a site of ultrafiltration. Therefore, the number of nephrons in kidney is equal to the number of Bowman's capsule. Malpighian body (renal corpuscle) is a collective term used for Bowman's capsule and its glomerulus.
Question 14
4 / -1

Podocytes are the cells present on

A
outer wall of Bowman's capsule

B
inner wall of bowman's capsule

C
neck of nephron

D
wall of glomerular capillaries

Solution

Podocytes are the special type of cells present in the visceral layer of Bowman's capsule. These cells have foot like processes called pedicels. The space between the pedicels are called slit pores through which the glomerular filtrate filters.
Question 15
4 / -1

Which of the following is not correct with respect to human kidney?

A
The peripheral region is called cortex and central is called medulla

B
Malpighian corpuscles are present in the cortical region

C
Blood enters glomerulus through efferent arterioles

D
The concave part of kidney is called hilus

Solution

Blood enters glomerulus through afferent arteriole and leaves through efferent arteriole.

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Excretory Products and their Elimination Test - 1

Result

Excretory Products and their Elimination Test - 1

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Question 1

Distal convoluted tubule

Glomerulus

Collecting duct

Loop of Henle

Solution

Question 2

Perltubular capillarles

Convoluted tubules

Collecting ducts

Loop of Henle

Solution

Question 3

Vasa recta is well developed in cortical nephones.

PCT and DCT are situated in the medulla of the kidney.

The glomerulus encloses the Bowman's capsole.

The ascending limb of the Henle's loop extends as the DCT.

Solution

Question 4

a

b

c

d

Question 5

Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.

Statement 1 is correct and statement 2 is incorrect.

Both statement 1 and 2 are incorrect.

Solution

Question 6

A-(ii), B-(iii), C-(iv), D-(i)

A-(i), B-(iii), C-(ii), D-(i)

A-(ii), B-(iv), C-(i), D-(iii)

A-(iv), B-(iii), C-(ii), D-(i)

Question 7

ducts of Bellini

convoluted part

loop of Henle

collecting tubes

Solution

Question 8

ureter

pelvis

hilus

pyramid

Solution

Question 9

Loop of henle

Collecting duct

Juxtaglomerular apparatus

Pelvis

Solution

Question 10

nephon

Heole's loop

nephron

pyramid

Solution

Question 11

(1)-renal pelvis, (2)-calyces, (3)-medullary pyramids

(2)-medullary pyramids, (3)-calyces, (4)-afferent, (5)-efferent

(2)-columns of Bertini, (3)-chordae tendinae, (4)-efferent, (5)-afferent

(1)-hilum, (4)-efferent, (5)-afferent

Question 12

kangaroo rat

opposum

rhesus monkey

porcupine

Solution

Question 13

The numebr of Bowman’s capsules

The sum of Bowman's capsule and malpighian bodies