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Histology Exam nov 2009 - Histology Exam(endocrine and...

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Histology Exam- (endocrine and urinary) November 20, 2009 A. Multiple Choice – select the Best single answer. 1. Neurons from the hypothalamus that regulate endocrine cells in anterior pituitary a. terminate in Herring bodies b. release their hormones in the hypophyseal portal system c. are supported by pituicytes d. release oxytocin e. synapse directly with their target cell 2. The majority of recovery of Na+ and K+ takes place in a. the glomerulus b. the loop of Henle c. collecting duct d. proximal convoluted tubule e. distal convoluted tubule 3. Adrenal cortex cells have abundant SER and mitochondria, reflecting their ability to a. secrete epinephrine b. secrete ACTH c. produce steroid hormones d. secrete lipoproteins e. store lipids 4. With the destruction of the hypophyseal portal system, what will happen? 5. The site of Na+ reabsorption under the influence of aldosterone is 6. The hypophyseal portal system delivers releasing hormones for all these hormones except 7. The macula densa is composed of cells of a. afferent arteriole b. efferent arteriole c. distal convoluted tubule
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d. proximal convoluted tubule e. loop of Henle
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