Role of Vasopressin in Homeostasis

Q.

When someone drinks a lot of water, ADH release is suppressed. Why?

Q.

Hyposecretion of ADH causes

1. Diabetes insipidus

2. Diabetes mellitus

3. Hypercalcemia

4. None of the above

Q.

1. Complete the following paragraph by filling in the blanks (i) to (v) with appropriate words:

The amount of urine output is under the regulation of a hormone called…………(i) secreted by the ………..(ii) lobe of the pituitary gland. If this hormone secretion is reduced, there is an increased production of urine. This disorder is called………..(iii). Sometimes excess glucose is passed with urine due to hyposecretion of another hormone called (iv)………..leading to the cause of a disease called (v)…………

Q.

___ is the hormone that is directly involved in homeostasis in the human body.

1. Prolactin

2. Histamine

3. Vasopressin

4. Melanin

Q.

Which of the following condition is true for hyposecretion of ADH

1. Increased volume and decreased concentration of urine

2. Increased volume and increased concentration of urine

3. Decreased volume and decreased concentration of urine

4. Decreased volume and increased concentration of urine

Q. Expand the following biological abbreviations:
(i) FSH
(ii) LTH

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

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

Q. Expand the following biological abbreviations:
(i) FSH
(ii) LTH

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 true and the Reason is the correct explanation of the Assertion.

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

3. Assertion is true statement but Reason is false.

4. Both Assertion and Reason are false statements.