In thyrotoxicosis , there is______________? A. Decrease in calcium excretion B. Increase in serum proteins which bind throxineC. Potentiation of catecholamine action D. Increase in calcium excretion

Progesterone production in the ovary is primarily by______________? A. Stroma B. Corpora albicansC. Corpora lutea D. Mature follicles

All the following hormones are secreted by adrenal cortex except_______________? A. Estriol B. Cortisol C. Corticosterone D. Aldosterone

Contraceptive action of combined pill is mainly due to_______________? A. Decrease in tubal motility B. Prevents the fertilization C. Prevents the implantation of fertilized eggD. Inhibits ovulation

Eephrine is most closely related in structure to ____________________? A. NiacinB. Tyrosine C. Methionine D. Glycerol

Steroid hormones are believed to enter target cells via_______________? A. Facilitated diffusion B. Carrier – mediated endocytosis C. Cholesterol lined pores in the plasma membraneD. Simple diffusion

Which of the following statements about the action of the somatomedin is true ? A. They inhibit protein synthesis B. They antagonize the effect of insulinC. They promote growth of bone and cartilage D. They mediated the local effects of…

Hormone released during increased stress is_____________? A. Cortisol B. Thyroxine C. Growth hormone D. Somatostatin

Features of hypothyroidism does not include______________? A. Obseity B. Hypertension C. High TSH levelsD. Increased risk of infections

The primary site of action of antidiuretic hormone is on the_______________? A. Distal tubules and collecting ducts in the kidney B. Afferent arterioles of the glomeruli C. Thirst center in the hypothalamus D. Osmoreceptors in the hypothalamus