Function of the Collecting Duct

Q.

What is the composition of the glomerular filtrate that enters the nephron?

Q.

Correct sequence of urine formation is:

1. Reabsorption, secretion, filtration

2. Reabsorption, filtration secretion

3. Secretion, reabsorption, filtration

4. Filtration, reabsorption, secretion

Q. ADH is secreted by

1. neurohypophysis
2. hypothalamus
3. adenohypophysis
4. Both a and b

Q.

What hormones control the kidneys?

Q. Statement I: Collecting duct plays a role in the maintenance of osmolarity.
Statement II: The collecting duct allows the passsage of small amout of urea into the medullary interstitium.

1. Statement I is true while statement II is false
2. Both the statements are true and statement II is the reason for statement I
3. Both the statements are true and statement II is the not the reason for statement I
4. Statement I is false while statement II is true

Q. Explain the formation of urine in human beings?

Q. Ducts of Bellini is concerned with

1. Filtration of urine
2. Purification of urine
3. Conduction of urine
4. All of the above

Q.

Small amounts of urea is reabsorbed in the collecting duct.

1. False
2. True

Q. Which of the following is/are paired structure(s)?
I. Vestibular bulb
II. Bartholin’s gland
III. Urethral orifice
IV. Skene’s gland

1. 1 and 2 only
2. 2 and 3 only
3. 1, 2 and 4 only
4. 1, 2, 3 and 4

Q. In the homeostatic control of blood sugar level, which organs function as modulator and effector respectively?

1. Liver and islet of Langerhans
2. Hypothalamus and liver
3. Hypothalamus and islet of Langerhans
4. Islet of Langerhans and hypothalamus

Q. Endocrine and exocrine glands are formed from what type of tissue?

1. connective
2. blood
3. muscle
4. epithelial

Q. The maximum amount of electrolytes and water (70-80%) from the glomerular filtrate is reabsorbed in which part of the nephrons?

1. Proximal convoluted tubule
2. Distal convoluted tubule
3. Descending limb of loop of Henle
4. Ascending limb of Loop of Henle

Q. Match the following enzyme with effects:
$\begin{array}{cc}\text{A. ADH}& \text{1. Causes vasodilation of blood vessels}\\ \text{B. Aldosterone}& \text{2. Acts on angiotensinogen}\\ \text{C. ANF}& \text{3. Reabsorption of water and Na+}\\ \text{D. Renin}& \text{4. Reabsorption of water}\end{array}$

1. A-1, B-3, C-4, D-2
2. A-4, B-1, C-3, D-2
3. A-2, B-3, C-4, D-1
4. A-4, B-3, C-1, D-2

Q. Which of the following match is incorrect?

1. Erythropoietin - Maturation of RBC
2. Renin - GFR regulation
3. ANF - Vasodilation
4. GIP - secretion of glucagon

Q. Which of the following structures are involved in the proper functioning of the kidneys?

1. Hypothalamus
2. All of the above
3. Heart
4. JGA

Q. Statement I: Collecting duct plays a role in the maintenance of osmolarity.
Statement II: The collecting duct allows the passsage of small amout of urea into the medullary interstitium.

1. Both the statements are true and statement II is the reason for statement I
2. Both the statements are true and statement II is the not the reason for statement I
3. Statement I is true while statement II is false
4. Statement I is false while statement II is true

Q.

What is osmoregulation and how it is maintained in the human body?

Q. The urine of man under normal conditions does not contain glucose because:

1. Glucose in the glomerular filtrate is converted into glycogen
2. Glucose in the glomerular filtrate is reabsorbed in the uriniferous tubules
3. Glucose of the blood is not filtered in the glomerulus
4. The normal blood sugar is fructose

Q. facilitates water reabsorption from the collecting duct.

1. ANF
2. Aldosterone
3. ADH
4. Aldoketone

Q.

A healthy person doesn't excrete . ............... in his urine

A. Creatinine

B. Uric acid

C.alanine

D. B complex

Q. What is the function of Cerebrospinal fluid?

Q.

Where does the collecting duct extend?

Q. The function of cerebrospinal fluid does not include

1. As a medium for excretion of waste product
2. Buoyancy to brain
3. Protection of brain and spinal cord by containing antibody
4. Protection of delicate brain and spinal cord from shock

Q. Different between fovea and macula lutea

Q. In which part of the excretory system of mammals, you can first use the term urine?

1. Bowman's capsule
2. Loop of Henle
3. Collecting tube
4. Ureter

Q.

How is ADH removed from the blood?

Q.

The target of the hormone erythropoietin is _____.

1. Bone Marrow

2. White Blood Cells

3. Right Atrium of the Heart

4. The Kidneys

Q. Antidiuretic hormone is also known as ______________.

1. Secretin
2. Vasopressin
3. Gastrin
4. Renin

Q.

A fall in glomerular filtration rate activates.

1. Juxta glomerural cells to release rennin

2. Adrenal cortex to release aldosterone

3. Adrenal medulla to release adrenaline

4. Posterior pituitary to release vasopressin

Q.

A fall in Glomerular Filteration Rate (GFR) activates

1. Juxtaglomerular cells to release renin
2. Adrenal cortex to release aldosterone
3. Adrenal medulla to release adrenaline

4. Posterior pituitary to release vasopressin