118exam5-fall07 - BIOLOGY 118 - EXAM 5 - FINAL DEC. 12,...

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DEC. 12, 2007 - VERSION A ..) on your answer sheet. You can keep this list of exam questions. You may write on it if you wish. Remember, this will be the only way you will know what answers you marked on the scantron. Each question has only 1 correct answer. Indicate your choice on the answer sheet - scantron. If you need clarification for a question, raise your hand & stay in your seat. If you are stumped by a question, place a mark by it, and return to it later. > = greater than EPO = erythropoietin < = less than ADH = antidiuretic hormone FSH = follicle stimulating hormone JGA = juxtaglomerular apparatus ANP = atrial natriuretic peptide GFR = glomerular filtration rate LH = luteinizing hormone BMI = Body Mass Index GnRH = gonadotropin releasing hormone NFP = net filtration pressure BP = blood pressure, hydrostatic pressure HcG = human chorionic gonadotropin OP = osmotic pressure HIV = human immunodeficiency virus 1. “Backfilling” or reflux of urine into the ureters may be caused by ______. This reflux in turn may cause the ______ to enlarge. a. urinary incontinence - penis b. overfilling of the bladder - ureters c. urinary incontinence - prostate gland d. overfilling of the bladder - urethra 2. The epithelium of the ureters & urinary bladder are covered with a ______ epithelium that is covered with a protective layer of ______. a. stretchable - mucous b. stiff - keratin c. stretchable - keratin d. stiff - mucous 3. Incontinence amongst older males is often caused by _______ that occurs with age. a. shrinkage of the testes b. enlargement of the scrotum c. shrinkage of the kidneys d. enlargement of the prostate 4. When you consciously decide to urinate, _______ of ______ neurons that control the external urethral sphincter, allows urine to exit the urethra. a. inhibition - somatic motor b. stimulation - parasympathetic c. inhibition - sympathetic d. stimulation - both autonomic 5. The most toxic nitrogenous waste product is ________, so our body converts most of it into ______. a. urea - alcohol b. uric acid - ammonia c. alcohol - uric acid d. ammonia - urea 6. The _______ is located within the renal pyramids and its special pattern of water & salt reabsorption creates a ______ gradient in the pyramid. a. proximal tubule - hypo-osmotic b. distal tubule - hypo-osmotic c. loop of Henle - hyper-osmotic d. glomeruli - hyper-osmotic 7. The podocytes of Bowman’s capsule have ______ and the glomeruli have ______ to increase the filtration rate of fluids into the nephrons. a. fenestrae - filtration slits b. cilia - gap junctions c. filtration slits - fenestrae d. gap junctions - cilia 8. Which section of a nephron has the most microvilli to maximize reabsorption of fluids? a.
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118exam5-fall07 - BIOLOGY 118 - EXAM 5 - FINAL DEC. 12,...

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