ACTH is secreted by
adrenal cortex
thyroid
adrenal medulla
pituitary
Correct Answer :
D. pituitary
Related Questions
Disease not caused by malfunctioning of thyroid is
acromegaly
cretinism
myxoedema
goitre
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
Which of the following hormones maintains the integrity of the uterine wall during pregnancy ?
Estrogen
Progesterone
Oxytocin
Intermedin
Selective accumulation of iodine occurs in
liver
thymus
spleen
thyroid
Gonadotropic hormones are produced in
posterior part of thyroid
adrenal cortex
adenohypophysis of pitiutary
interstitial cells of testis
ACTH is secreted by
adrenal cortex
thyroid
adrenal medulla
pituitary
Diabetes mellitus is due to deficiency of
insulin
glucagon
trypsin
ADH
Function of cholecystokinin is to
contract gall bladder
stimulate bile secretion
stimulate digestion
decrease bile secretion
At the time of puberty the hormone that triggers sexual characters in male is
adrenalin
testosterone
insulin
thyroxin
Hormones which are produced by neurons are
epinephrine and noepinephrine
melatonin and serotonin
oxytocin and vasopressin
all of these
The fight or flight response in the event of danger, is chiefly effected by
glucocorticoids
mineralocorticoids
epinephrine and norepinephrine
glucocorticoids, epinephrine
Androgens are secreted from
Leydig cells and placenta
Testis and adrenal cortex
Adenohypophysis and testis
Leydig cels and adrenal cortex
Throughout pregnancy the hormones which remain low in plasma are
FSH
FSH and LH
LH
Estrogen and progesterone
Corpus luteum is formed by
germinal cells
follicle cells
ovum
vitelline membrane
The glands which pour their secretion directly into blood are tamed as
endocrine glands
exocrine glands
holocrine glands
apocrine glands
Which hormone promotes persistence of larval characters ?
Juvenile hormone
Thyroxin
Insulin
Ecdysone
In the male, testosterone exerts profound effects on
development of secondary sex characters
skeletal muscle to increase in size
baldness
all of these
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
The expulsion of milk from the breast during sucking by the child is brought about by
prolactin
oxytocin
vasopressin
estrogen and progesterone
Symptoms such as softening of bones which are easily bent or fractured are mainly due to
hypothyroidism
hyperthyroidism
hypoparathyroidism
hyperparathyroidism
New ovarian follicles will not begin to ripen as long as the blood has high level of
FSH
Progesterone
Estrogen
LH
Deficiency of parathormone in the blood causes
hypokalemia
hyperkalemia
hypocalcemia
hypercalcaemia
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
Which of the following will be least effected if the pituitary gland of an adult rat is removed?
Adrenal
Adrenal medulla
Thyroid
Gonads
In the blood calcium and phosphate levels are controlled by
thyroid
parathyroid
adrenal
both (a) and (b)
The activity of Leydig cells is governed by a pituitary hormone abbreviated as
HCG
ACTH
FSH
ICSH
Thyroxine has direct effect on
blood flow \
cellular respiration
rate of excretion
rate of digestion
Male reproductive functions are controlled by
FSH
Testosterone
FSH and LH
All of these
Most contraceptive pills contain
estrogen + FSH
progesterone + LH
progesterone + FSH
oestrogen and progesterone
Hyper secretion of adrenal cortex causes
Addison's disease
Down's syndrome
Cushing's syndrome
Acromegaly