Which of the following hormone stimulates and enhances labor contraction?
a) vasopressin
b) oxytocin
c) estrogen
d) FSH
Explanation this is an example of positive feedback mechanism
When the oxytocin is no longer evoked and labor contraction ceases?
a) when baby moves towards birth canal
b) when baby is halfway outside the birth canal
c) when baby is almost born
d) when baby is born
Explanation no signal goes to hypothalamus and posterior pituitary to release oxytocin
EXERCISE
Which one of the following condition is resulted from excess GH in adults?
a) Cushing’s disease
b) acromegaly
c) hyperthyroidism
d) diabetes millitus
…….regulates the kidney’s retention of water.
a) Prolactin
b) oxytocin
c) thyroxin
d) vasopressin (ADH)
Which of the following hormone is not released the anterior pituitary?
a) melanocyte-stimulating hormone
b) gonadotropin-releasing hormone
c) thyroid-stimulating hormone
d) growth hormone
Explanation it is released by intermediate lobe of pituitary gland
