When water content is deficient in the body, which of the following is stimulated by hypothalamus?
a) anterior pituitary gland
b) posterior pituitary gland
c) thyroid gland
d) adrenal gland
Which of the following hormone is released to make collecting tubules and distal convoluted tubules permeable to water?
a) oxytocin
b) ADH
c) TSH
d) ACTH
Explanation: ADH is also known as vasopressin which helps in the reabsorption of water from urine.
ADH is released by …….gland which helps in the reabsorption of water?
a) adrenal gland
b) thyroid gland
c) parathyroid gland
d) posterior pituitary gland
Explanation: posterior pituitary gland releases two important hormones. 1 ADH (vasopressin) and 2. oxytocin
When the secretion of ADH becomes slow?
a) when anterior pituitary gland senses low water content in blood
b) when anterior pituitary gland senses high water content in blood
c) when posterior pituitary gland senses high water content in blood
d) when hypothalamus senses high water content in blood
Explanation: it is due negative feedback mechanism
Which of the following involves a change some variable that triggers mechanism that amplifies?
a) negative feedback
b) positive feedback
c) both negative and positive
d) none of them
During childbirth, which feedback mechanism/s work/s?
a) negative feedback
b) both negative and positive
c) positive feedback
d) none of them
