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Exam+2+--+Winter+2006+--+ANSWERS+_do+not+distribute_ - Mean...

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Mean = 81 Standard Deviation 11 See spreadsheet with scantron results for comments on these. BIO 225: INTRODUCTION OF ANIMAL PHYSIOLOGY EXAM #2 - WINTER 2006 Wednesday, 8 March 2006 YOU MAY KEEP THE COVER PAGE AND MULTIPLE CHOICE QUESTIONS There are 25 multiple choice questions and two pages of short essay questions. Attempt ALL questions. The total possible points for the in-class exam is 100 points. Each page of short essay questions is worth 25 points and each multiple choice question is worth 2 points. Write your name on the top of each answer page for the short essay questions. Failure to do so will result in the loss of two (2) points per page missing a name . Write your short essay answer ONLY on the question page. Notes on any other pages, extra pieces of paper etc. will not be graded. Follow the instructions for the scantron answer sheet for the multiple choice questions. You may keep the multiple choice questions. You may wish to record your answers on this sheet. YOUR SCANTRON SHEETS WILL NOT BE RETURNED TO YOU. Hand in your scantron and answer pages promptly at 10 am or you will lose points. THERE ARE NO “CATCH” QUESTIONS. IF YOU ARE UNCLEAR ON ANY QUESTIONS – RAISE YOUR HAND AND I WILL COME TO YOU TO GIVE CLARIFICATION . You will have an opportunity to request a re-grade of your exam if you feel there was a problem with the way it was graded. Requests will be honored ONLY if a request is submitted IN WRITING within 7 (seven) days from the date the graded exams are returned to the class. The request for a re-grade must include a SCIENTIFIC explanation of why your answer is correct. Equations you may need: dQ/dt = D A (dC/dx) dQ/dt = P (C out - C in ) V = ! r 2 L v o = v max [S] / (K M + [S]) v max = k cat [E] v o = [S]/[P] " G = " H - T " S V O2 = k. " pO 2 .A/L P = 2 T/r V O2 = V ([O 2 ] inspired -[O 2 ] expired ) V O2 = Q ([O 2 ] arterial - [O 2 ] venous ) Q 10 = (k 2 /k 1 ) 10(T2-T1) V O2 = aM 0.75 and V O2 = aM 0.67 Q 10 = k 2 /k 1 L ! M 1/3 M ! V ! L 3 A ! M 2/3 A ! L 2 Q H = C(T body – T ambient ) Q H = k. " T.A/L COT = (V O2 /M)/u pH = pKa + log [proton acceptor - ]/ [proton donor] pH = pKa + log ( [A - ]/[HA]) pH = -log 10 [H + ] d # /dt = 4 $ speed $ shape / (4 $ distance 2 + shape 2 ) v = " (F o + F)/(F + ! ) rate (velocity) = Ae -Keq/RT Q R = Q F + Q N + Q SDA + Q M + Q G + Q I Oxycalorific equivalent = heat of combustion/moles of oxygen used Net pressure out (and Net pressure in) = blood pressure – osmotic pressure Q 10 = rate (T + 10) o C / rate at T o C To convert natural logarithms (ln) to base-10 logarithms (log), ´ 2.3
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Multiple Choice Questions (Attempt all questions. Each correct answer is worth 2 points) 1. A gas-exchange/cardiovascular system capable of meeting tissue oxygen requirements: A) is used by insects instead of a tracheal system to meet the high energy demands of flight. B) still cannot provide enough energy for small endotherms. C) has surplus capability to deliver substrate and remove wastes.
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Exam+2+--+Winter+2006+--+ANSWERS+_do+not+distribute_ - Mean...

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