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During exercise, the oxygen consumption
A. 65 percent of the total
B. 75 percent of the total
C. 85 percent of the total
D. 95 percent of the total
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Chapter 18 Solutions
Cardiopulmonary Anatomy & Physiology
- Exercise intensity can be estimated using a. perceived exertion (RPE) O b. heart rate O c. talk test O d. All of these are ways to estimate exercise intensityarrow_forwardA person with a high Vo2maxa. needs less oxygen than someone with a low Vo2max.b. has stronger muscles than someone with a low Vo2max.c. is less likely to show muscle tetanus than someone with a low Vo2max.d. has fewer muscle mitochondria than someone with a low Vo2max.e. experiences less muscle fatigue during exercise than someone with a lowVo2max.arrow_forwardEnergy Expenditure at Rest and During Exercise Typical RMR values are a. 1,200 to 1,400 kcal/day b. 1,800 to 3,000 kcal/day c. 4,000 to 10,000 kcal/day d. >10,000 kcal/dayarrow_forward
- A. When should a client use a weight belt during resistance training and why? B. Explain traditional breathing guidelines for weightlifting. C. Explain the benefits and limitations of bodyweight training. D. When would you suggest adding resistance bands and/or chains to a client's programming? How and why would you use them?arrow_forwardDuring exercise, the P(A=a)O2 begins to increase when the oxygen consumption reaches about what percent of its maximum? A. 10 percent B. 20 percent C. 30 percent D. 40 percentarrow_forwardWrite the names of the numbered structures on the corresponding lines belowarrow_forward
- Which of the following is a benefit to cardiorespiratory training? A. Increase in oxygen consumption B. Increase in lung capacity C. Lower resting heart rate D. All of the abovearrow_forward12arrow_forward13. A patient undergoing an exercise stress test is found to exhibit higher PaO₂ during exercise than before exercise. Which of the following is the most likely explanation for an increase in PO₂ during exercise? A. Decreased PACO₂ due to hyperpnea. 2 B? Decreased V/Q mismatching and PVR due to distension and recruitment of blood vessels C. Increased PÃO₂ due to decreased respiratory exchange ratio 2 D. Increased PÃO₂ due to increased respiratory exchange ratioarrow_forward
- Distribution of Q to skeletal muscle during exercise can be as much as 25 L/min, the percentage of blood flow to active skeletal muscle can be as high as OA. 80% O B. 85% OC. 20% O D. 15%arrow_forwardIf a male runner's maximum oxygen uptake in a minute (VO2max) is 3.6 L/min, his maximum energy expenditure per minute is; a. 14.48 kcal/min b.17.28 kcal/min c.15.00 kcal/min d. 8.64 kcal/minarrow_forward8. Which of thr following occur(s) during hypoxemia? A. Increased ventilation B. Increased production of 2.3-DPG C. Increased production of erythropoietin D. All of the choices 1. Explain why a person with ketoacidosis may hyperventilate. What benefit might this provide? 2. Using a flowchart, explain how a rise in blood PCO2 stimulates breathing. Include both the central and peripheral chemoreceptors in your answer.arrow_forward
Cardiopulmonary Anatomy & PhysiologyBiologyISBN:9781337794909Author:Des Jardins, Terry.Publisher:Cengage Learning,
Basic Clinical Lab Competencies for Respiratory C...NursingISBN:9781285244662Author:WhitePublisher:Cengage