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UCONN EEB 2100E Final Review questions and answers fishing down the food web means overharvesting what firsttop predators A genetic bottleneck occurs when a species reaches a small population with high genetic variation which can then support high future adapabilityfalse the tragedy of commonsself-interest consumers deplete a shared source what is NOT an example of a regulation that prevents the tragedy of commons?allowing harvesters to act rationally in their own self-int...

EEB 2100e Exam 2 Questions and answers %land transformation caused by humans 44%amount of co2 concentration added by humans 50%amount of freshwater used by humans nitrogenlimiting element for growth in many ecosystems Industrial fixation (Haber-Bosch process) Fertilizer crops (legumes) Burning of fossil fuelshow humans contribute to nitrogen fixation runoffwhat causes eutrophication 50% of available freshwater, 70% of this is used for agriculturehuman water use baby boomersge...

EEB 2100 UConn Final Exam questions and answers Overexplotationoverharvesting natural resources faster than their replacement is a main cause of biodiversity loss Overexploitation-Cod FishingAtlantic Cod fishery is depleted by 1920's technological advances such as diesel engines that allow for larger boats Georges BankInundated, highly productive island where the Gulf Stream causes upwellings of nutrients as they are removed from the bottom of water bodies Largest ...

EEB 2100 UConn Exam 2 questions and answers Most profound nutrients being added to ecosystems by humansNitrogen and phosphorus Nitrogen factsmakes up 78% of Earths atmosphere and many enzymes and proteins that humans need Nitrogen cycle: FixationFixation of N2 gas is done by microorganisms using energy to break down the gas into organic NOx compounds(Nitrate and Nitrite) 1/3rd of free-living bacteria(cyanobacteria) conduct fixation 2/3rds of plant-associated bacteri...

NSG 3100 Exam 4 QUSTIONS AND ANSWERS Symptoms of dehydrationTachycardia, hypotension, decreased skin turgor, weakness, thready pulse, dry mucous membranes, oliguria Increased BUN, H and H, Sodium, urine specific gravity Normal BUN levelsMales: 0.6-1.2 Females: 0.5-1.1 Isotonic fluid volume excess txDiuretics Fluid restriction Sodium restriction Normal sodium levels135-145 mEq/L normal potassium levels3.5-5 Nursing interventions hyponatremiaFluid intake a...

NSG 3100 Exam 2 QUESTIONS AND ANSWERS For a client with a previous blood pressure of 138/74 mmHg and pulse of 64 beats/min, approximately how long should the nurse take to release the blood pressure cuff in order to obtain an accurate reading? 1. 10-20 seconds 2. 30-45 seconds 3. 1-1.5 minutes 4. 3-3.5 minutesAnswer: 2. Rationale: If the cuff is inflated to about 30 mmHg over previous systolic pressure, that would be 168. To ensure that the diastolic has been determined, t...

BSC 2085C Exam 3 Review: Possible Test Questions and answers Injury to the hypothalamus may result in all of the following except ________.loss of fine motor control Which brain waves are uncommon for awake adults, but are common for children?theta waves An elevated ridge of the cortex is called a ________.gyrus The light of dawn and the buzz of an alarm clock lead to wakefulness through thereticular activating system Which brain structure functions to control the a...

BSC 2085C Exam 3 Review questions and answers What does the central nervous system use to determine the strength of a stimulus?frequency of actions potentials Nerve impulses are sent to slow the heart's rate of contraction. The nerve fibers sending these signals will most likely belong to which division of the nervous system?parasympathetic division An action potential is regarded as an example of a positive feedback. Which of the following examples below best illustrate...

BSC 216 Exam 3 Test Questions and answers The ________ phase of gastric activity is controlled by the brain, and is triggered by the sight, smell, taste, or thought of food.Cephalic Chief cells within the stomach mucosa produce ________, which is converted to pepsin in the presence of ________.Pepsinogen/HCl The pancreas and gallbladder releases "juices" (bile and pancreatic juice) into the duodenum through the major duodenal papilla, which is controlled by the ______...

BSC 108 Exam 1questions and answers What is biology?The study of life What are the 3 domains?Eukarya, Bacteria, Archae What are the 4 kingdoms in eukarya?Kingdom Amimalia, Kingdom Plantae, Kingdom Fungi, Kingdom Protista What are the 7 properties of life?they have order, they regulate themselves, they grow and develop, they use energy, they respond to the environment, they reproduce, population evolve What defines living?It has cells What are the common themes ...