Multiple Choice QuestionsWhich 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
Hypersecretion of Growth Hormone in adults does not cause further increase in height, because
Growth Hormone becomes inactive in adults
Epiphyseal plates close after adolescence
Bones loose their sensitivity to Growth Hormone in adults
Bones loose their sensitivity to Growth Hormone in adults
Which of the following is an amino acid derived hormone?
Epinephrine
Ecdysone
Estriol
Estradiol
Which of the following gastric cells indirectly help in erythropoiesis?
Chief cells
Mucous cells
Parietal cells
Goblet cells
Endemic goitre is a state of
normal thyroid function
moderate thyroid function
increased thyroid function
decreased thyroid function
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