Multiple Choice QuestionsFeeling the tremors of an earthquake a scared resident of the seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action?
Thyroxin
Adrenaline
Glucagon
Glucagon
A person is having problems with calcium and phosphorus metabolism in his body. Which one of following glands may not be functioning properly?
Parathyroid
Parotid
Pancreas
Pancreas
Compared to a bull a bullock is docile because of
higher levels of thyroxin
higher levels of cortisone
lower levels of blood testosterone
lower levels of blood testosterone
A steroid hormone which regulates glucose metabolism is
cortisol
corticosterone
11-deoxycorticosterone
11-deoxycorticosterone
Which one of the following is not a second messenger in hormone action?
cGMP
Calcium
Sodium
Sodium
Which of the following is an accumulation and release centre of neurohormones?
Posterior pituitary lobe
Intermediate lobe of the pituitary
Hypothalamus
Hypothalamus
Which hormone causes dilation of blood vessels, increased oxygen consumption and glycogenolysis?
ACTH
Insulin
Adrenalin
Adrenalin
C.
Adrenalin
Adrenaline (epinephrine) is a hormone produced by adrenal medulla and is secreted in great amounts during emotional states. It elevates the glucose level in blood stream (by glucogenesis) which is accompanied by an increase in oxygen consumption, body temperature, heat production. Adrenaline also causes an increase in the flow of blood by dilating the blood vessels.
Insulin regulates the glucose level in blood.
ACTH (Adreno Corticotropic Hormone) is secreted by the anterior pituitary and stimulates the adrenal cortex.
Glucagon is a polypeptide hormone secreted by the alpha cells of islets of langerhans of pancreas. It acts to promote glycogenolysis.
A temporary endocrine gland in the human body is
Pineal gland
Corpus cardiacum
Corpus luteum
Corpus luteum
GnRH, a hypothalamic hormone, needed in reproduction, acts on
Anterior pituitary gland and stimulates secretion of LH and oxytocin
Anterior pituitary gland and stimulates secretion of LH and FSH
Posterior pituitary gland and stimulates secretion of oxytocin and FSH
Posterior pituitary gland and stimulates secretion of oxytocin and FSH
A decrease in blood pressure/volume will not cause the release of
Renin
Atrial Natriuretic Factor
Aldosterone
Aldosterone
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