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BSC 216 Test #3

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show esophagus  
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show hard palate and soft palate  
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What is the main job of the pharynx?   show
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What region of the stomach does food first enters after its passage through the relaxed gastroesophageal sphincter?   show
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show pepsinogen  
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What is the final segment of the small intestine?   show
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show microvilli  
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Peristaltic contractions that propel the contents of the colon toward the distal large intestine are:   show
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show relaxation of the external anal sphincter  
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show hepatocytes  
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Which of the following does NOT transport bile?   show
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What enzyme catalyzes reactions that initiate carbohydrate digestion?   show
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show movement of food particles through the wall of the alimentary canal.  
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Damaged hepatocytes will impair:   show
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Cherise is lactose-intolerant because she produces insufficient amounts of an enzyme called:   show
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show ingestion  
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show abdominal digestive organs.  
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show True  
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show visceral peritoneum  
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show enamel  
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Carbohydrate digestion begins in the:   show
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show gastrin  
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Which hormone increases acid secretion by the stomach?   show
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show True  
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show gastrin  
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The stomach differs anatomically from other organs of the alimentary canal because it has an additional oblique layer of muscularis externa for churning.   show
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show descending colon.  
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show defecation.  
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The internal anal sphincter is controlled involuntarily while the external anal sphincter is controlled voluntarily.   show
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What is responsible for the emulsification of lipids in the duodenum?   show
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What best exemplifies enzymatic hydrolysis?   show
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Which enzyme catalyzes the reaction of lactose into glucose and galactose?   show
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Emulsification requires:   show
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In which organ is chyme mixed with pancreatic juice and bile?   show
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Which organ functions to absorb significant quantities of water, electrolytes, and vitamins?   show
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The breakdown of carbohydrates into glucose in the body is classified as:   show
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show oxidized  
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Electron transfer reactions are termed oxidation-____ reactions.   show
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show Four molecules of NADH are spent.  
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show oxaloacetate  
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What part of a triglyceride undergoes β-oxidation?   show
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The release of urea in the urine is a mechanism for the body to rid itself of:   show
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What molecule cannot be used for gluconeogenesis?   show
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show the metabolic rate.  
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What part of the brain is involved in thermoregulation?   show
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How are vitamins classified?   show
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Select the two factors upon which body mass index depends.   show
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show citric acid cycle  
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Under normal conditions, where should we expect to see most urea?   show
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Which of the following is NOT a nutrient monomer used by the body to generate ATP?   show
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What process involves the donation of a phosphate group from ATP to a reactant to “pay” for a cellular process?   show
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Reactions in which smaller molecules are combined to make a larger molecule are known as anabolic reactions.   show
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show What is NOT required for glycolysis to occur?  
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show 2 ATP  
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show False  
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show glycerol and fatty acids  
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From which of the following are ketone bodies assembled during ketogenesis?   show
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show a carbon skeleton and the amino acid glutamate  
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show glycogenesis  
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show triglycerides.  
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The synthesis of fatty acids is known as lipolysis.   show
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Which hormone stimulates the uptake of glucose by cells, lowering the concentration of glucose in the blood?   show
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Feeding centers are located in the:   show
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show False  
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show precipitation  
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show 37.5 °C (99.5 °F)  
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show true  
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show monosaccharides and disaccharides.  
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show Complete proteins provide all of the essential amino acids.  
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Which of these vitamins is water-soluble?   show
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show hilum  
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The functional units of the kidneys are __________.   show
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Urine drains from a major calyx into __________.   show
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show interlobular (cortical radiate) artery  
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show proximal tubule  
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What should NOT be found in filtrate?   show
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The glomerular filtration rate is defined as __________.   show
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The myogenic mechanism acts to restore glomerular filtration rate (GFR) by changing __________.   show
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What will NOT stimulate the renin-angiotensin-aldosterone system (RAAS)?   show
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show increase the glomerular filtration rate (GFR)  
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show secondary active transport  
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show filtered but neither reabsorbed nor secreted  
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What effect does high blood pressure have on the glomerular filtration rate (GFR) in the absence of regulatory mechanisms?   show
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show decreased blood pressure  
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Dilute urine is more likely to be produced when __________.   show
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show ureter  
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What is NOT a major function of the kidneys?   show
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show regulate red blood cell production by the bone marrow  
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In which kidney region are the renal pyramids located?   show
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What are the two main subdivisions of the nephron?   show
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The process of filtration occurs at the __________.   show
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Which statement best describes the function of tubular reabsorption?   show
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Filtrate and whole blood contain identical constituents.   show
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What is the normal value for the glomerular filtration rate (GFR) in mL/min?   show
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Glomerular colloid osmotic pressure (GCOP) is created by __________.   show
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What is net filtration pressure (NFP) in the glomerular capillaries, in mm Hg?   show
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show A-II promotes thirst.  
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show blood pH  
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Which hormones promote facultative water reabsorption?   show
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show true  
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How much urine, in liters, is typically produced in a 24 hour period?   show
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What does the countercurrent mechanism accomplish in the nephron loop?   show
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show False  
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show nephron loop and vasa recta  
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show medullary collecting duct  
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Each of the following is typical of urine EXCEPT __________.   show
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show the rate at which the kidneys remove a substance from the blood  
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What is renal clearance used to estimate?   show
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show the openings to the two ureteral orifices and the internal urethral orifice  
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show Stretch receptors in the wall of the urinary bladder signal the sacral region of the spinal cord.  
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show relaxation of the external urethral sphincter  
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