Which of the following is not a parathyroid A) Activation of B) Increase calcium

Question

Which of the following is not a parathyroid A) Activation of B) Increase calcium ion C) Increase in intestinal D) Increase of calcitonin synthesis The most important mineralocorticoid regulator of electrolyte in extracellular fluids is __ A) Insulin B) Aldosterone C) Glucagon D) Cortisol The single most important regulator of calcium levels in the blood is __ A) Calcitonin B) Parathyroid hormone C) Thyroid hormone D) Gonadotropic hormones Regulating hormones from the hypothalamus ___. A) Enter venous circulation and travel to the hear which pumps the hormone- containing blood to the pituitary B) Enter the hepatic portal system, which feeds the pituitary C) Travel by arteries to the pituitary D) First enter into the hypophyseal portal system A) Is secreted by the posterior pituitary B) Secretion is regulated by a hypothalamic regulatory hormone C) Causes the release of hormonal from the Adrenal medulla D) Is not a tropic hormone Aldosterone __. A) Is secreted by the neurohypophysis B) Functions to increase sodium reabsorption C) Presence increases potassium concentration in the blood D) Production is greatly influenced by ACTH Which organ does NOT produce hormones? A) Heart B) Kidney C) Spleen D) Skin

Explanation / Answer

48. Inhibition of calcitonin synthesis. Calcitonin is synthesis by thyroid gland.

49. Aldosterone. Adrenal cortex secretes 3 types of hormones. 1. Glucocorticoids (Cortisol) 2. Mineralocorticoids (Aldosterone) 3. Sex hormones (Androgens). In this Mineralocorticoids maintain water and electrolyte balance.

50. Parathyroid gland - It increase the blood ca2+ level.

51. First enter the hypophyseal portal system

52. B

53. B. Function to increase sodium reabsorbtion. Aldosterone involves reabsorb sodium and excrete of potassium.

54. Spleen

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