2 pts All the tollowing statements about hormones are correct EXCEPT: 6. (a) (b)

Question

2 pts All the tollowing statements about hormones are correct EXCEPT: 6. (a) (b) (c) (d) They are used to communicate between different organisms (e) They elit specific biological responses from target cells They are produced by endocrine glands They travel to different areas of the body They are carried by the circulatory system Which of the following is primarily responsible for promoting lactation? (a) Vasopressin (c) Prolactin (e) 2 pts 7. (b) Oxytocin (d) Cortisol (1) both (c) and (e) above. Prolactin inhibitory factor 8. Thyroxine 3 pts is stored in the thyroid in peptide linkage in thyroglobulin (a) (b) (c) (d) is transported in the blood mostly bound to protein is a derivative of tyrosine. a and b above. a, b, and c above. (e) 2 pts 9 Which of the following hormone sequence is correct? LH-, FSH adrenal glands GNRH FSH ovaries CRH ACTH FSH thyroid gland CRH-LH-adrenals LHRH FSH LH pineal gland (a) (b) (c) (d) (e) 2 pts o. Which of these pairs of hormones regulate the metabolism of calcium? (b) (d) Parathormone and calcitonin Prolactin and oxytocin Thyroxine and parathormone (a) (c) ACTH and TSH All of the following statements about the hypothalamus are correct EXCEPT: (a) It functions as an endocrine gland (b) It is part of the central nervous system (c) It is subject to feedback inhibition by certain hormones (d) It secretes tropic hormones that act directly on the gonads (e) Its neurosecretory cells terminate in the posterior pituitary 2pts Which of the following statements are true and/or false concerning anterior pituitary hormones? (a) GH reduces lipid synthesis b) Prolactin has a well defined physiological function in the human male. 2 pts Name specific hormones synthesized and secreted by the following pancreatic cells. (a) y-cells. (b) -cells (c) -cell . B-cells

Explanation / Answer

6) d hormones are used to communicate between different organisms.

Hormones are molecules which are secreted by ductless endocrine glands directly into the bloodstream which transports it to different organs where they have target organ specific functions

7) c prolactin

8)e a b and c all are true

9)b GnRH-->FSH-->ovaries

FSH and LH has nothing to do with adrenals, pineal or thyroid and hence a and c are wrong

please ask questions separately and not all at once

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