MULTI-SELECT Learning about hormones and body function regulations is challenging. Andy relates this to the skeletal muscle actions - there is a prime mover, an antagonist and also synergists and fixators/stabilizers for a joint movement and facial expressions. The role of muscle in actions are interchangeable. A hormone can have more than one physiological role and also there are hormones that act as antagonist or permissive or synergist for body's physiological response. Which of the following hormone pairs is antagonistic? LH and FSH oxytocin and antidiuretic hormone calcitonin and parathyroid hormone insulin and glucagon
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19. What do steroid hormones and peptide hormones have in common? Select one: a. They are both made up of the same type of chemical molecules. b. Both can cross cell membranes c. Both need to be transported in the bloodstream d. Both have their receptors on the cell membrane. 15. Select the correct alternative regarding negative feedback controls. Select one: a. The action of the hormone oxytocin by stimulating contractions of the uterus b. The secretion of antidiuretic hormone (ADH) reduces the loss of water by the kidneys. This secretion decreases when the system is hydrated. c. It happens when the organs are diseased. When organs are healthy, positive feedback works. d. Stimulation of the mammary glands caused by the hormone oxytocin.
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Part A For each of the following endocrine organs, name two hormones it secretes and their targets Include the cell type or part of the organ that secretes the hormone: (8 points) Adrenal Glands 2. Hypothalamus 3. Pituitary Gland Thyroid Gland Part B A couple take their newborn to the doctor; because she does not seem to be doing well. The doctor believes her endocrine system may not be functioning correctly: He runs some tests for Hormone A and says that the amount of Hormone A in her blood is decreased: Based off of your knowledge of how the endocrine signaling functions; describe what may be happening: (2 points)
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Choose from the following key to identify the hormones described. Key: (a) aldosterone $\quad$ (e) oxytocin (b) antidiuretic hormone (c) growth hormone (f) prolactin (g) $\mathrm{T}_{4}$ and $\mathrm{T}_{3}$ (d) luteinizing hormone (h) TSH _____(1) important anabolic hormone; many of its effects mediated by IGFs ______(2) cause the kidneys to conserve water and/or salt (two choices) ______(3) stimulates milk production _____(4) tropic hormone that stimulates the gonads to secrete sex hormones ____(5) increases uterine contractions during birth _____(6) major metabolic hormone(s) of the body _____(7) causes reabsorption of sodium ions by the kidneys _____(8) tropic hormone that stimulates the thyroid gland to secrete thyroid hormone _____(9) secreted by the posterior pituitary (two choices) _____(10) the only steroid hormone in the list
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