EASY
Earn 100

Contraction of smooth muscles of arterioles is influenced by

50% studentsanswered this correctly

Important Questions on Excretory Products and their Elimination

EASY
Na+ excretion in the urine is reduced by secretion of _________.
EASY

Following events are associated with blood pressure regulation by the kidney.

A) Formation of Angiotensin II

B) Secretion of Aldosterone

C) Fall in blood pressure

D) Reabsorption of Na+  from distal convoluted tubule

E) Release of Renin

F) Restoration of normal blood pressure

G) Conversion of Angiotensinogen to Angiotensin I

H) Activation of Juxta Glomerular cells

The correct regulation sequence is

EASY
To maintain a concentration gradient in the medullary interstitium, NaCl______
EASY
A decrease in blood pressure/volume will not cause the release of
HARD

Match the following ?

  List I   List II   List III
(i) High threshold substances (a) Not at all reabsorbed (p) Creatinine
(ii) Low threshold substances (b) Efficiently reabsorbed (q) Glucose
(iii) Athreshold substances (c) Reabsorbed in very little amounts (r) Urea
HARD
Study the following statements
I) In embryonic stage, the interventricular septum of human heart has foramen ovale.
II) Tunica media of human artery has elastic lamina on either side.
III) Excretory organs of arachnids are coxal glands.
IV) Angiotensin II stimulates the Juxtaglomerular cells to secrete the enzyme renin.

Pick up the incorrect statements from the above:

EASY
Most of the Angiotensin converting enzyme is present in
EASY
Which of the following factors is responsible for the formation of concentrated urine?
EASY
Which of the following would help in the prevention of diuresis?
EASY
Identify the part of the nephron that is impermeable to water
MEDIUM
Which of the following does not favor the formation of large quantities of dilute urine?
EASY
Study the following Renin Angiotensin Aldosterone system and identify the correct options for X, Yand Z
Question Image
MEDIUM
Assertion (A): Wall of the heart of man releases the atrial-natriuretic factor.
Reason (R): The increased flow of blood into the atria.
The correct option among the following is:
MEDIUM
The volume of glomerular filtrate produced in one minute is: 
EASY
Why formation of urine and its elimination is necessary in humans?
MEDIUM
The increase in osmolarity from outer to inner medullary interstitium is maintained due to :
(i) Close proximity between Henle's loop and vasa recta
(ii) Counter current mechanism
(iii) Selective secretion of HCO3- and hydrogen ions in PCT
(iv) Higher blood pressure in glomerular capillaries
EASY
The Bowman's capsule, a part of the kidney is the site of: