EEOB 2520 Exam 1 Study Guide Solutions

EEOB 2520 Exam 1 Study Guide Solutions physiology - ANSWER-how an organism accomplishes actions in order to stay alive purpose - ANSWER-"why" an action is happening mechanism - ANSWER-"how" an action is happening biology, anatomy, chemistry, physics - ANSWER-4 things that make up physiology ATP -- ADP+Pi+energy; our currency to pay for activities - ANSWER-equation 1 and meaning glucose+O2+ADP+Pi-- ATP+CO2+H2O+heat; how we make the currency - ANSWER-equation 2 and meaning no - ANSWER-is equation 2 reversible? CO2+H2O--- HCO3-+H+; transport a gas in water - ANSWER-equation 3 and meaning more acidic - ANSWER-what happens when you add more H+? PV=nRT; Ideal Gas Law (liquids too), allow us to see relationships of things - ANSWER-equation 4 and meaning ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/9 homeostasis - ANSWER-relatively stable maintenance of a body parameter dynamic constancy - ANSWER-what is homeostasis also known as? set point (SP); maintaining 98.6 body temperature - ANSWER-goal *range* that you are trying to maintain through homeostasis; example? genetics, biorhythms, environment - ANSWER-what 3 things influence set point? steady state (SS) - ANSWER-maintaining at the set point homeostatic control systems - ANSWER-interconnected components that work together to keep the set point and maintain steady state energy is required to remain at steady state, disturbances (d) from steady state - ANSWER- consequences of homeostatic control systems reactive--response=feedback - ANSWER-formula for reactive disturbances from SS negative feedback - ANSWER-99% of feedback, opposite of disturbance, goes back towards steady state positive feedback - ANSWER-continue with disturbance, going away from steady state feed forward (FF) - ANSWER-proactive--preparation = ____ ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/9 do things before instead of reacting after; limits the degree of feedback required and less energy required - ANSWER-what is the purpose of feed forward? reflex template (arc) - ANSWER-set up for a response to something that happens - used in the homeostatic control system stimulus, x altered, sensor/receptor, (afferent pathway), integrating center, (efferent pathway), effector(s), compensatory response (change in physiology), x restored - ANSWER-steps of reflex template detection (internal and external), integration (comparison to SP), adjustments if needed (if at SS don't need adjustments) - ANSWER-keys to reflex template negative feedback (limits # of times through template), positive feedback (increases # of times through template), develop feed forward (x is altered less) - ANSWER-results of reflex template biorhythms; temp inc and dec throughout day - ANSWER-pattern to the variation of a controlled variable (parameter); example? period; circadian, lunar, annual - ANSWER-how often the pattern occurs; types phase - ANSWER-how long we can see a spike; occurs in period pattern amplitude - ANSWER-having a high or low amount; pea