CH 15 HW- ENDOCRINE Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Pituitary gigantism is associated with which of the following? A) GH excess B) Growth (GH) deficiency C) Hypercorticolism D) Hypeprolactinemia 1 2) Cushing's syndrome is characterized by which of the following? A) Adrenal insufficiency B) Excess secretion of pituitary ACTH C) Corticosteroid excess (in blood) D) Low plasma levels of cortisol. 2 3) Primary hypothyroidism may be due to which of the following? A) Inherited conditions B) Damage to the thyroid gland C) Removal or ablation of the thyroid gland D) All of the above 3 4) The adrenal cortex releases which of the following? A) Mineralosteroids C) Androgens 4 ) B) Corticosteroids D) All of the above 5) Serum thyroid stimulating hormone (TSH) levels are decreased in which of the following diseases or conditions? A) Hyperpituitarism B) Primary hyperthyroidism C) Primary hypothyroidism D) Primary parathyroidism 6) TSH is secreted by which of the following? A) Posterior pituitary C) Thyroid gland 6 ) B) Hypothalamus D) Anterior pituitary 7) Which of the following is an anterior pituitary hormone? A) ACTH B) Thyrocalcitonin C) Glucagon D) Serotonin 8) The principle method used to measure hormone levels in blood in most clinical laboratories is: A) Electrophoresis. B) Gas chromatography. C) Thin layer chromatography. D) Immunoassays. 9) Thyroid hormones are derived from which of the following amino acids? A) Phenylalanine B) Tyrosine C) Methionine D) Histidine 10) Select the principle estrogen produced by the ovaries and measured to evaluate ovarian function. A) Estradiol B) Hydroxyestrone C) Epiestriol D) Estriol 11) Which statement below about patients with Addison's disease is true? A) Serum levels of cortisol high. B) It is not a disease of the adrenal glands. C) Serum levels of ACTH are high. D) Adrenal glands produce excessive amounts of testosterone. 1 5 7 ) 8 9 10 11 12) Which of the following does NOT release steroid hormones? A) Ovaries B) Testes C) Adrenal cortex D) Pituitary gland 12 ) D) 13 13) Tetraiodothyronine describes which of the following compounds? A) T4 (thyroxine) T B) Reverse T3 C) MIT 14) Which hormone is not produced by the placenta? A) Estriol C) Progesterone B) Human chorionic gonadotropin (hCG) D) Adrenocorticotropin hormone (ACTH) 15) Which of the following describes the hypothalamic hormones? A) They act indirectly on endocrine glands. B) They act as inhibitor of selected enzyme reactions. C) They are all glycoproteins. D) They act as releasing hormones on the pituitary. 2 14 ) 15 3
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