Question 1-9 Chapter 16: The Endocrine System Date Section Ocomesponds to the Le

Question

Question 1-9
Chapter 16: The Endocrine System Date Section Ocomesponds to the Learming Oojective isted in the chapter opener outine Do You Know the Basics? Exercise 16.t: The Hypothalamus and Pituitary Gland chromophobes, thus it generaly stains . The anterior pituitary gland is composed of glandular tssue. which consists of acidophils, basophils, and (darker/lighter) than the posterior pituitary gland. O apply) o 2. Which of the following hormonas) siare produced by acidophis of the amerior pitulary giand? (Check al that -a adrenocertcotopic hormone ACTH b. follicle-stmulating hormone (FSHO _ growth homone (GH) d. luteinzng hormone (LH e. poiactin 3. The supreoptic and paraventricular nuclei contain cell bodies of neurcsecretory cells whose axons extend along the infundlbulum to axon terminals in the posterior pitutary that release antidiuretic hormone (ADH and oxytocin. TrueFalse) O Exercise 16.2 The Pineal Gland 4. One defining histological featune of the pineal gland are the small islands of crystal looking structures that compose pineal send lorpora renaceal TruelFalse) O Melatonin, the hormone secreted by pinealocytes of the pineal gland low, and [decreasesincreases) when light levels are high ? & Pineal sand is important to radiologists since it is an easly identifiable landmark True/Falsel O Cxercise 16.3: The Thyroid and Parathyroid Glands 7. The thyroid gland consists of follicles ined with simple columnar epithelial tissue. True/False) O &. Folicuiar cels of the syroid gland produce calcitorinvtnyroid hormonel whereas parafollicular cells produce 9. The major action of parathyroid homone, produced by the parathyroid gland, is to decreasingincreasing) the action of osteoclasts and calcium levels by incressing) urinary excretion of calcium O Exercise 16.4: The Adrenal Glands 10. Place the zones of the adienal cortex in the correct order, from supericial to deep O a. zona fasciculata c zone reticularis 11. Match the region of the adrenal gland isted in column A with the coesponding hormones peoduced by that region, isted in column B. O Column A Column B -t medulla 2. zone fasckulata s. endrogens and 3. zona glomenudosa Chapter Sixteen The Endocrine System 341

Explanation / Answer

Exercise 16.2

4 True because corpora arenacea are calcified accretions of Ca & Mg phosphate in aging individuals

5 Increases light level at low decreases when light level is high

6 True because easily visbale in radiographs, provide landmarks that are consistent and easily to identify

Exercise 16.3

7 False because it is composed of simple cuboidal epithelium

8 Thyroid hormone and calcitonin

9 Increases blood ca level, decreasing the action of osteoclasts, increasing urinary excreation of calcium

Exercise 16.4

10

Zona glomerulosa (mineralcorticoids: primarily aldosterone )

Zona fasciculate (glucocorticoids : primarily cortisol )

Zona reticularis (androgens : primarily DHEA)

11

1) medulla – b) catecholamines

2) Zona fasciculate –c) glucocorticoids

3) Zona glomerulosa –d) mineralcorticoids

4) Zona reticularis – a) androgens and glucocorticoids

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