Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Question
Chapter 18, Problem 5RQ
Summary Introduction
Introduction:
The body of an individual, doing heavy exercise, is in need of a high amount of oxygen which is required for the body cells and tissues. This provides strength to the muscles and also improves the pumping ability of blood from the heart to lungs and other body parts. The cardiac output increases with an increase in the intensity of exercise.
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Chapter 18 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 18 - Prob. 1RQCh. 18 - 2. The maximum alveolar ventilation generated...Ch. 18 - 3. During heavy exercise, the total cardiac output...Ch. 18 - Prob. 4RQCh. 18 - Prob. 5RQCh. 18 - Prob. 6RQCh. 18 - During exercise, the oxygen consumption (VO2) of...Ch. 18 - During very heavy exercise, the 1. pH increases 2....Ch. 18 - 9. During maximum exercise, the oxygen diffusion...Ch. 18 - During exercise, the P(A=a)O2 begins to increase...
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- Joe's end diastolic volume is 130 ml and his end systolic volume is 60 ml. His heart rate is 80 beats per minute. What is his stroke volume? A. 60ml B. 70 ml C. 140ml D. 190ml E. 210mlarrow_forwardWhat is the cardiac output of a heart when the heartbeat rate is 60 beat.min-1, the diastolic pressure in the aorta is 80 mm Hg, and the stroke volume is 80 mL.beat-1? A. 4,800 mm Hg.min-1 B. 6,400 mL.mm Hg-1 C. 4,800 mL.min-1 D. 1.33 mL.beat-1 E. 0.75 mL.min-1arrow_forwardHeart failure occurs when a. the cardiac output is 15 liters per minute when you are watching television b. the cardiac output is 5 liters per minute when you are running as fast as you can on the treadmill. c. the cardiac outout does not change based on the energy expenditure d. all of the abovearrow_forward
- Hyperkalemia or high blood potassium is associated with a.Heart arrhythmia b.Cardiac arrest c.Not associated with any negative health effects d.a, barrow_forwardHigh blood pressure would be a result of a. a high cardiac output and high peripheral resistance b. a high cardiac output and low peripheral resistance c. a low cardiac output and high peripheral resistance d. a low cardiac output and low peripheral resistancearrow_forwardcardiac output will increase by a. decreased blood volume and decrease of heart contractility b. decreased heart rate and contractility c. increased venous return and increased heart contractility d. decreased peripheral resistance and decreased venous returnarrow_forward
- Which of the following is a factor associated with hypertension? a. Decreased cardiac output b. Hypovolemia c. Increased afterload d. Decreased afterloadarrow_forwarda calcium channel blocker or an antagonist drug will produce a. vasoconstriction b. increase in blood pressure c. increase in total peripheral resistance d. reduction in cardiac muscle contractilityarrow_forwardWhich of the following would the recommended exercise heart rate range for a healthy, 32-year-old female client that is looking to start an exercise training program to improve their health? (round to the nearest whole number) a. 99-148 bpm b. 200-220 bpm c. 113-169 bpm d. 100-198 bpmarrow_forward
- Which of the following is a late sign of hypoxemia? a. Tachycardia b. Stupor c. Tachypnea d. Restlessnessarrow_forwardBetween 30 and 80 years of age, the cardiac output decreases by about A. 10 percent B. 20 percent C. 30 percent D. 40 percentarrow_forwardAt the onset of exercise, sympathetic discharge causes the 1. Heart rate to decrease 2. Peripheral vascular system to constrict3. Heart to increase its strength of contraction 4. Blood vessels of the working muscles to dilate A. 3 only B. 2 and 4 only C. 1 and 2 only D. 2, 3, and 4 onlyarrow_forward
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