e. relies less on chemical signals 9. When more than one hormone prodaces the sa
ID: 3522554 • Letter: E
Question
e. relies less on chemical signals 9. When more than one hormone prodaces the same effiect on the target cell and their effects are amplified, the effect is said so be a. permissive b. synergistic c. antagonistic 10. The hormone released from the hoypothalamaus i or low blood volume is: n response to low blood pressure a. aldostcrone b. angiotensin I1 d. ADH e. ACTH 11. Excessive secretion of GH after puberty would cause a. dwarfism d acromegaly b. myxedema c. gigantism 12. The C-cells of the thyroid synthesize: a. T4 b. TSH c. PTH d. T3 13. Increased oxygen consumption and activity of the Nak exchange pumg increase in andp the influence of causes an a. thyroid hormone, lipid, heat b. cortisol, protein, ATP c. testosterone, heat, ATP d dhyroid hormone, ATP. e.cortisol, lipid, ATP 14. Which of the following stimulates protein synthesis, inhibits protein brea stimulates lipolysis and retards the use of glucose for ATP production in tissue? a. cortisol e GHIGF b. Ts and T c.insulinExplanation / Answer
9. The correct answer is - b) synergistic.
Additional Information :
When more than one hormone acts on target cell, and produce the same effect then it is known as synergistic effect . This effect can be divided into two categories according to their mechanism: a) Additive, b) Complimentary.
Example : Adrenaline and Nor adrenaline both increases heart rate separately but when they act together heart rate increases more than several folds.
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10. The correct answer is - d) ADH .
ADH (Anti diuretic hormone ) is also known as Vasopressin. It is synthesized in the hypothalamus and secreted from posterior pituitary. It has mainly two important functions : 1. It helps in reabosorbtion of solute free water in the renal tubules. 2. It hepls in vasoconstriction of arterioles to increase arterial blood pressure.
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