Role of Vasopressin in Homeostasis

Q.

Assertion: Diabetes insipidus is marked by excessive urination and too much thirst of water.

Reason: Anti–diuretic hormone (ADH) is secreted by the posterior lobe of pituitary gland.

1. Both Assertion and Reason are false statements.

2. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

3. Assertion is true statement but Reason is false.

4. Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.

Q. Hyposecretion of ADH has this effect on urine volume and concentration.

1. Increased volume and decreased concentration
2. Increased volume and increased concentration
3. Decreased volume and decreased concentration
4. Decreased volume and increased concentration

Q.

What triggers ADH release?

Q.

Addison's disease is caused due to:

1. Hypersecretion of cortisol

2. Hypersecretion of aldosterone

3. Hyposecretion of cortisol

4. Hyposecretion of aldosterone

Q. Assertion Diabetes inspidus is marked by excessive urination and too much thirst of water. Reason Antidiuretic hormone (ADH) is secreted by the posterior lobe of pituitary.

1. Both Assertion and Reason are true but Reason is the correct explanation of Assertion
2. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
3. Assertion is true but Reason is false
4. Both Assertion and Reason are false

Q. Match the following columns and select the correct option.

	Column-I		Column-II
(a)	Thyroid gland	(i)	Acromegaly
(b)	Adrenal glands	(ii)	Cretinism
(c)	Pituitary gland	(iii)	Tetany
(d)	Parathyroid glands	(iv)	Aldosteronism

1. (a) (b) (c) (d)
   (ii) (iv) (i) (iii)
2. (a) (b) (c) (d)
   (iii) (iv) (i) (ii)
3. (a) (b) (c) (d)
   (ii) (i) (iv) (iii)
4. (a) (b) (c) (d)
   (iii) (iv) (ii) (i)

Q. If a person drinks large amounts of water in a short period of time, he may die of water toxicity. ADH can help prevent water retention by interaction with target cells in

1. Posterior pituitary
2. Kidney
3. Bladder
4. Adrenal gland

Q.

What can an increase in the body fluid volume induce?

Q. In the kidney, the formation of urine involves the following processes

1. Glomerular filtration, reabsorption and tubular secretion
2. Secretion and absorption
3. None of the above
4. Reabsorption and filtration

Q. Which of the following statement is wrong about Abscisic acid :

1. It helps in general plant metabolism
2. It is antagonistic to $G{A}_3$
3. It helps in seed maturation & dormancy
4. It helps in morphogenesis

Q. How ADH increases blood pressure?

1. Hyposecretion of ADH leads to low water absorption.
2. Hyposecretion of ADH leads to higher water absorption.
3. Hypersecretion of ADH leads to low water absorption.
   
4. None of the above.

Q.

The diagram given below shows the excretory system of a human being. Study the same and then answer the questions that follow.​

​(iii) Name the endocrine gland, which could be added in the diagram and state its location/position.​

Q. Even in presence of hormone ADH, maximum water is reabsorbed in?

1. Proximal convoluted tubule
2. Distal convoluted tubule
3. Both DCT and collecting tubule
4. Loop pf Henle

Q. ORS inhibits the secretion of

1. gastrin
   
2. vasopressin
   
3. oxytocin
4. thyroxine
   

Q.

Name the hormone responsible for the following function

(ix) Increased reabsorption of water in the kidneys

Q. Name the endocrine gland associated with brain.

1. Pituitary
2. Adrenal
3. Thyroid
4. Pancreas

Q. Assertion :Diabetes insipidus is marked by excessive urination and too much thirst for water. Reason: Anti-diuretic hormone (ADH) is secreted by the posterior lobe of pitutiary gland.

1. Both assertion and reason are correct and reason is the correct explanation for assertion.
2. Both assertion and reason are correct but reason is not the correct explanation for assertion.
3. Assertion is correct but reason is incorrect.
4. Both assertion and reason are incorrect.

Q. Very short answer type.
Name the hormone that acts as an antagonist to abscisic acid. From which micro-organism was it extracted initially.

Q. Intake of ORS inhibits secretion of

1. Vasopressin
2. Melatonin
3. Thyroxine
4. Oxytocin

Q. Short / Long answer type questions.
A child shows the following symptoms~: deficient growth; failure to show sexual development; and decreased ability to respond to stress. What is the most likely cause of these symptoms?

Q. Which one of the following statements is correct with respect to kidney function regulation ?

1. When someone drinks lot of water, ADH release is suppressed
2. Exposure to cold temperature stimulates ADH release
3. An increase in glomerular blood flow stimulates formation of angiotensin II
4. During summer when body loses lot of water by evaporation the release of ADH is suppressed

Q. Hyposecretion of ADH causes

1. Diabetes insipidus
2. Diabetes mellitus
3. Hypercalcemia
4. None of the above

Q. The major hormones associated with excretion in mammals are

1. Antidiuretic hormone
2. Adreno-cortico hormones
3. Both A and B
4. Thyroid hormones

Q.

Name the hormone responsible for the following functions.

Increased reabsorption of water in the kidneys.

Q. Lack of antidiuretic hormone ADH causes water loss from the body by

1. Excessive urination
2. By combination of all the above factors
3. Increased water loss through expiration
4. Increased sweating

Q. Volume of urine is regulated by

1. Aldosterone
2. Aldosterone, ADH and testosterone
3. Aldosterone and ADH
4. ADH

Q. Concentration of urine is controlled by

1. Vasopressin
2. Aldosterone
3. Adrenaline
4. Insulin

Q. Which of the following is recovered in the collecting duct of the nephron?

1. Glucose
2. NaCl
3. Water
4. Proteins

Q. Assertion :Diabetes insipidus is marked by excessive urination and too much thirst for water.
Reason: Anti-diuretic hormone (ADH) is secreted by the posterior lobe of pituitary gland.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Hyposecretion of ADH causes

1. Diabetes insipidus
2. Diabetes mellitus
3. Hypercalcemia
4. None of the above