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? a. inhibition of milk ejection from mammary gland b. stimulation of cortisol production c. inhibition of ADH d. suppression of ovulation e. stimulation of thyroid hormone production 5. The site of Na+ reabsorption under the influence of aldosterone is a. ascending limb of Henle b. distal convoluted tubule c. collecting tubules d. proximal convoluted tubules e. medullary rays 6. The hypophyseal portal system delivers releasing hormones for all these hormones except a. ACTH b. Growth hormone c. FSH d. ADH e. Prolactin 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 8. The parathyroid responds to low serum calcium by a. synthesizing Vitamin D b. secreting calcitonin c. stimulating oxyphil cells to make calcium d. discharging stored calcium e. secreting more PTH 9. Peritubular capillaries in the renal cortex are direct continuations from a. arcuate arteries b. afferent glomerular arteries c. glomerular capillaries d. efferent arterioles e. interlobular arteries
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This note was uploaded on 11/08/2011 for the course SCIENCE 3254 taught by Professor Dr.shoupe during the Spring '11 term at Fort Valley State University .

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

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