EASY
Earn 100
In DCT, antidiuretic hormone makes the filtrate __________ to blood plasma.
50% studentsanswered this correctly
Important Questions on Excretion and Osmoregulation
MEDIUM
The glomerular filtration rate is NOT affected by
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
excretion in the urine is reduced by secretion 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 |
EASY
Human urine is usually acidic because ?
EASY
To maintain a concentration gradient in the medullary interstitium, ______
EASY
Following events are associated with blood pressure regulation by the kidney.
A) Formation of Angiotensin
B) Secretion of Aldosterone
C) Fall in blood pressure
D) Reabsorption of from distal convoluted tubule
E) Release of Renin
F) Restoration of normal blood pressure
G) Conversion of Angiotensinogen to Angiotensin
H) Activation of Juxta Glomerular cells
The correct regulation sequence is
EASY
Most of the Angiotensin converting enzyme is present in
EASY
Which of the following would help in the prevention of diuresis?
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 and hydrogen ions in
(iv) Higher blood pressure in glomerular capillaries
EASY
Study the following Renin Angiotensin Aldosterone system and identify the correct options for and
EASY
A decrease in blood pressure/volume will not cause the release of
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?
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?
EASY
Renin is secreted when blood pressure in
EASY
Which of the following factors is responsible for the formation of concentrated urine?
EASY
The Bowman's capsule, a part of the kidney is the site of:
