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.
Help!
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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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