Oxytocin and Vasopressin and Their Functions

Q. A hormone that acts upon renal tubule and blood capillaries is

1. Glucagon
2. Thymosin
3. Vasopressin
4. Glucocorticoids

Q. A hormone that acts upon renal tubule and blood capillaries is

1. Vasopressin
2. Glucocorticoids
3. Glucagon
4. Thymosin

Q. Regarding assertion and reason, choose the correct statement:

Assertion (A): The uterus of a nursing mother returns to its normal size after pregnancy.
Reason (R): Oxytocin is responsible for uterine contractions.

1. A is true R is false
2. Both A and R are true and R explains A
3. A is false and R is true
4. Both A and R are true but R does not explain A

Q.

A person suffers from excessive thirst and excessive urination.This condition may be the result of

1. An increase in secretion of glucagons.

2. A reduction in insulin secretion from pancreas.

3. A reduction in vasopressin secretion from posterior pituitary.

4. A fall in the glucose concentration in urine.