Which one of the following is not a second messenger in hormone action ?
1. cGMP
2. Calcium
3. Sodium
4. cAMP
Which of the following is an accumulation and release centre of neurohormones?
1. Posterior pituitary lobe
2. Intermediate lobe of the pituitary
3. Hypothalamus
4. Anterior pituitary lobe
Which hormone causes dilation of blood vessels, increased oxygen consumption and gluco-genesis ?
1. ACTH
2. Insulin
3. Adrenalin
4. Glucagon
Castration cells are found in
1. adenohypophysis
2. pars intermedia
3. hypothalamus
4. pars nervosa.
Study the given figure showing various human endocrine glands. Select the correct statement(s) regarding these.
(i) Gland P is stimulated to secrete its hormones by thyrotropin secreted by anterior lobe of pituitary gland.
(ii) Gland R is associated with the secretion of hormones corticosteroids, epinephrine and norepinephrine.
(iii) Glands T and U represent the sex glands, which are derived from the mesoderm of embryo.
(iv) Gland Q is derived from mesoderm of the embryo and its increased size results in ageing.
(v) Gland S secretes the hormone glucagon which stimulates the liver to convert glucose into glycogen.
1. (i) and (ii)
2. (ii) and (iv)
3. (i), (ii) and (iii)
4. All are correct
Name the hormone associated with the metabolism of phosphorus and calcium ?
1. glucocorticoids
2. mineralocorticoids
3. calcitonin
4. glucagon
Which is not a symptom of hyperglycaemia?
1. Loss of weight
2. Breakdown of muscle tissue
3. High blood glucose level
4. Diplopia
Which of the following is a prolactin-inhibiting hormone secreted in the hypothalamus ?
1. Serotonin
2. Dopamine
3. Epinerphrine
4. Histamine
All hypophysiototropic hormones are peptides except
1. corticotropin releasing hormone
2. growth hormone
3. somatostatin
4. prolactin release inhibiting hormone.