A decrease in level of oestrogen and progesterone causes
loss of endometrium
growth and dilation of metridium
release of ova from ovaries
constriction of uterine blood vessels leading to sloughing of uterine epithelium
Correct Answer :
D. constriction of uterine blood vessels leading to sloughing of uterine epithelium
Related Questions
A decrease in level of oestrogen and progesterone causes
loss of endometrium
growth and dilation of metridium
release of ova from ovaries
constriction of uterine blood vessels leading to sloughing of uterine epithelium
Androgens are secreted from
Leydig cells and placenta
Testis and adrenal cortex
Adenohypophysis and testis
Leydig cels and adrenal cortex
The spermatogenesis in mammalian testis is conrolled by
follicle stimulating hormone (FSH)
luteininzing hormone (LH)
ICSH
LH and ICSH
Thyroxine has direct effect on
blood flow \
cellular respiration
rate of excretion
rate of digestion
ACTH is secreted by
adrenal cortex
thyroid
adrenal medulla
pituitary
Hyperglycemia is an indication of mal-functining of
thyroid
liver
islets of Langerhans
adrenals
Acromegaly is a disease in which the bones develop irregularly, which is due to over secretion of
STH
ACTH
GTH
GH
The fight or flight response in the event of danger, is chiefly effected by
glucocorticoids
mineralocorticoids
epinephrine and norepinephrine
glucocorticoids, epinephrine
Most contraceptive pills contain
estrogen + FSH
progesterone + LH
progesterone + FSH
oestrogen and progesterone
Deficiency of parathormone in the blood causes
hypokalemia
hyperkalemia
hypocalcemia
hypercalcaemia
At the time of birth, oxytocin acts on uterus by
stimulating the smooth muscles of uterus to produce forceful contractions
detaching foetal tissues from the uterus
increasing the movement of foetus
producing rhythmic movements in the smooth muscles of uterus
Symptoms such as softening of bones which are easily bent or fractured are mainly due to
hypothyroidism
hyperthyroidism
hypoparathyroidism
hyperparathyroidism
The activity of Leydig cells is governed by a pituitary hormone abbreviated as
HCG
ACTH
FSH
ICSH
Function of cholecystokinin is to
contract gall bladder
stimulate bile secretion
stimulate digestion
decrease bile secretion
Hyper secretion of adrenal cortex causes
Addison's disease
Down's syndrome
Cushing's syndrome
Acromegaly
The human chorionic gonadotrophin is secreted by
placenta
ovary
uterus
pituitary
The technique of amniocentesis can be employed for the dectection of
Klienfelter's and Down's syndrome
Haemophilia and sickle cell anaemia
Thalassemia and myelocytic leukaemia
All of these
Due to hyposecretion from pituitary, the disease is
goitre
encephalitis
diabetes incipidus
diabetes mellitus
Which disease is caused by the deficiency of thyroxine in the adult ?
Diabetes insipidus
Diabetes mellitus
Myxoedema
Exopthalmic goitre
Regulation of volume of urine is caused by
ADH
Aldosterone
Both (a) and (b)
ADH, ldosterone and testosterone
Estrogen is secreted by cells of
theca interna
theca externa
theca interna cells of developing Graffian follicles
corpus luteum
In the blood calcium and phosphate levels are controlled by
thyroid
parathyroid
adrenal
both (a) and (b)
Hormones which are produced by neurons are
epinephrine and noepinephrine
melatonin and serotonin
oxytocin and vasopressin
all of these
M.S.H produced by the pars intermedia of pitiutary causes in lower vertebrates
darkening of skin
light colouration of skin
both (a) and (b)
none of these
Islets of Langerhans secrete a hormone which controls diabetes mellitus :
Insulin
Rennin
Ptyalin
HQ
Throughout pregnancy the hormones which remain low in plasma are
FSH
FSH and LH
LH
Estrogen and progesterone
Gonadotropic hormones are produced in
posterior part of thyroid
adrenal cortex
adenohypophysis of pitiutary
interstitial cells of testis
Which of the following hormones maintains the integrity of the uterine wall during pregnancy ?
Estrogen
Progesterone
Oxytocin
Intermedin
Animals that are well known to use pheromones are
Centipedes
Hydra
Pigeons
Ants
Male reproductive functions are controlled by
FSH
Testosterone
FSH and LH
All of these