Histology MCQs/Endocrine Glands



{Which of following statements describes endocrine glands best? - Endocrine glands are composed of trabecular epithelium - Endocrine glands have no striated ducts + Endocrine glands have no ducts - Endocrine glands are avascular
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{Which structure gives rise the adenohypophysis? - Ebner's glands + Rathke's pouch - Diencephalon - Hypothalamus
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{Which structure contains cells producing ADH (antidiuretic hormone)? - Infundibum of hypophysis - Adenohypophysis - Neurohypophysis + Hypothalamus
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{In the hypothalamic-hypophyseal portal system, we have a vessel between two capillary networks. Which type of vessel is it? - Both arteries and veins in similar amount - Mainly veins, occasionally arteries - Artery + Vein
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{Which of following statements about cells of adenohypophysis is true? - Chromophobic cells belong to the immune system + Chromophilic cells are hormone-producing cells - Chromophobic cells are ACTH-producing cells - Chromophilic cells produce oxytocin
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{Which statement about the suprarenal gland is true? + Cells in medulla produce norepinephrin (noradrenalin) - Cells in medulla produce glucocorticoids - Cells in cortex produce dopamine - Cells in cortex produce TSH (thyroid-stimulating hormone)
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{Cells of cortex of the suprarenal gland have conspicuous morphological property. Which one? - Their rough endoplasmic reticulum is tubular + Their mitochondria have tubular crists - Their Golgi apparatus is swollen - Their nucleus has two lobes
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{Which order of layers of cortex of the adrenal gland is correct (from the surface to the medulla): - Zona glomerulosa - zona reticularis - zona fasciculata - Zona reticularis - zona glomerulosa - zona fasciculata + Zona glomerulosa - zona fasciculata - zona reticularis - Zona reticularis - zona fasciculata - zona glomerulosa
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{Which statement about suprarenal gland is true? - There are no androgen-producing cells in the suprarenal gland - Aldosteron-producing cells are derived from neural crest - Cortex and medulla are of the same embryonic origin + Chromaffin cells are derived from neural crest
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{Which cells of islets of Langerhans produce insulin? - α cells (A cells) + β cells (B cells) - δ cells (D cells) - PP cells
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{Which molecule is main compound of colloid in thyroid gland? + Glycoprotein called thyreoglobulin - Lipoprotein called thyreoglobulin - Glycoprotein called tyroxin - Lipoprotein called tyroxin
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{Which type of epithelium is epithelium composed of follicular cells (thyrocytes) in the thyroid gland? - Stratified squamous to simple columnar epithelium + Simple squamous to simple columnar epithelium - Pseudostratified columnar non-ciliated - Trabecular epithelium
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{Hormones produced by the thyroid gland contain unique chemical part. Which one? - Strontium + Iodine - Cesium - Cobalt
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{Which hormone is produced by parafollicular cells (C cells) of thyroid gland? - Somatostatin + Calcitonin - ACTH - PTH
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{How many parathyroid glands do we usually have? - 2 + 4 - 6 - 10
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{Which type of cells forms supportive structure of the pineal gland? - Reticular connective tissue - Loose connective tissue - Reticular epithelium + Astrocytes
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{What is main function of glucagon? - Raises production of glucocorticoids - Lowers production of glucocorticoids + Raises blood level of glucose - Lowers blood level of glucose
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{What is main function of mineralocorticoids? - Stimulate reabsorbtion of calcium and secretion of phosphates in large intestine - Stimulate reabsorbtion of natrium and secretion of potassium in large intestine - Stimulate reabsorbtion of calcium and secretion of phosphates in kidney + Stimulate reabsorbtion of natrium and secretion of potassium in kidney
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{What is main function of tyroxine? - Increases production of sex hormones - Regulates circadian rythms + Increases metabolic rate - Increases storage of fat
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{Which cells are destroyed in type I diabetes mellitus? - α cells (A cells) + β cells (B cells) - δ cells (D cells) - Type I diabetes is not caused by loss of certain cell type
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