Which of the following hormone is released when the solute concentration increases as a result of water loss?
a) oxytocin
b) ADH
c) thyroxin
d) somatotropin
Explanation: it acts on kidney tubes to enhance water reabsorption.
Which of the following action/s is/are happen when ADH is released from posterior pituitary?
a) more water is reabsorbed by kidney
b) concentrated urine is produced
c) blood volume increases and solute concentration becomes normal
d) all of these
Oxytocin is stored and secreted by……..
a) anterior pituitary
b) posterior pituitary
c) intermediate pituitary
d) mammary gland
Explanation Oxytocia means childbirth
In which of the following situation/s, oxytocin is released?
a) during pregnancy
b) during childbirth
c) during breast feeding
d) both b and c
Which of the following is/are the strong stimulus for the release of oxytocin?
a) high level of solute in the blood
b) the release of ova from follicle
c) stretching of uterus and cervix during parturition
d) all of these
Explanation parturition means childbirth
Low level of which hormone/s in the blood to the end of pregnancy and neural stimuli of mother during child birth stimulate the release of oxytocin?
a) estrogen
b) progesterone
c) FSH
d) ADH
Explanation during birth, oxytocin is released in waves and results in labor contractions
