final - 1 THE UNIVERSITY OF WESTERN ONTARIO PHYSIOLOGY 130 DATE April 12nd 2008 FORMAT 3 Hour Markex Exam DIRECTIONS FOR COMPLETING THE ANSWER SHEET Use

final - 1 THE UNIVERSITY OF WESTERN ONTARIO PHYSIOLOGY 130...

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1 THE UNIVERSITY OF WESTERN ONTARIO PHYSIOLOGY 130 DATE: April 12nd, 2008 FORMAT: 3 Hour Markex Exam DIRECTIONS FOR COMPLETING THE ANSWER SHEETUse a PEN for your signature, and a PENCIL for the other information. Print your name, the course name and the course number. Under the heading STUDENT NUMBER, record all nine digits of your student number. Also FILL IN THE OVALS UNDER THE NUMBERS COMPLETELY!! SECTION digits and ovals must be filled in. The section digits to be used for this exam is 130Under the heading CODE, enter 001. To answer the multiple choice questions, use an HB pencil to completely fill the ovals on the answer sheet. Use a white nylon eraser to entirely remove any mistakes. Calculators are allowed QUESTION BOOKLET Please make sure that this booklet contains 99 questions. Hand in this booklet, along with the answer sheet, when you have completed the test. Fill in the information requested below. NAME: TA=s name:
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2 DIRECTIONS: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the ONEthat is BESTin each case and blacken the appropriate space on the Scantron sheet. 1. In order for a muscle to contract, which of the following events must occur? 2. Which of the following contributes to the pacemaker potential in the SA node cells of the heart? 3. An increase in cardiac output can be produced by all of the following EXCEPT? 4. Which one of the following statements is INCORRECT? (A)Oxygen is transported in the blood mainly bound to hemoglobin (B)The CO2content of the systemic arterial blood is lower than in venous blood (C)Oxygen delivery in the peripheral tissue occurs due to the low PO2in the tissue resulting in oxygen unloading from the hemoglobin (D)There is more oxygen dissolved in plasma than carbon dioxide (E) The amount of oxygen bound to hemoglobin decreases as body temperature increases
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3 Select the ONEthat is BESTin each case and blacken the appropriate space on the Scantron sheet.
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