Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Textbook Question
Chapter 18, Problem 10RQ
During exercise, the
A. 10 percent
B. 20 percent
C. 30 percent
D. 40 percent
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If 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/min
Under certain circumstances, the respiratory quotient (RQ value) for an athlete exercising intensely can rise above 1. How is this possible?
Under certain circumstances, the respiratory quotient (RQ value ) for an athlete exercising intensely can rise above one. How is this possible?
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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- I need the answer as soon as possiblearrow_forwardI need the answer as soon as possiblearrow_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_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_forwardWhich of the following would increase the surface tension in the lungs? a. Increased intrapleural fluid production b. An increased compliance c. A decreased production of surfactant d. Increased elastic recoil 108.arrow_forwardOmar is snorkeling (surface swimming with a tube in his mouth to maintain breathing while his face is in the water). a. The snorkel tube is 35.0 cm in length and 1.4 cm in radius. How does this affect Omar's breathing? Calculate the increase in relative resistance contributed by the snorkel tube. b. What is dead space and how does that affect snorkeling? Explain your answer, assuming the snorkel tube is a round cylinder and cylinder volume is πr²L. How does the snorkel tube affect alveolar ventilation (assume a ventilation rate of 13 breaths/ min, tidal volume of 600 mL, and normal dead space volume of 150 mL.)? If normal alveolar ventilation is 4200 mL/min, how must Omar breathe during snorkeling compared to normal? c. Omar loves snorkeling, but wishes he could go a little deeper. He decides to create a longer snorkel tube to try to achieve this desire. He isn't sure how radius figures in, so he makes two tubes of 80 cm length, one with a 1.6 cm radius and the other with a 2.2 cm…arrow_forward
- After running for 1 mile, which of the following would increase? Select all that apply. a. Tidal volume b. Expiratory Reserve Volume c. Inspiratory Capacity d. Functional Residual Capacity e. Vital Capacity f. Total Lung Capacity g. Inspiratory Reserve Volume h. Residual Volumearrow_forwardThere is a theory that suggests a patient with COPD might have a depression of ventilation following administration of high fiO2. Which of the following best summarizes the recommendations on how to address this concern? A. Never administer supplemental oxygen to patients with COPD as the risk of them stopping breathing is too great B. Treat acute hypoxemia with oxygen, but wean the oxygen as soon as possible C. Always double filter oxygen being delivered to a patient with COPD to ensure there are no particles that may be breathed in D. Supplement oxygen therapy with medical grade carbon dioxide to maintain dr to breathearrow_forwardMark's maximal oxygen consumption on an exercise test is 55 ml/kg/min. What MET level did he acheive on his exercise test? Hint: When going from METS to ml/kg/min your multiply by 3.5 ml/kg/min. When going in the opposite direction, ml/kg/min to METS you divide by 3.5 ml/kg/min.arrow_forward
- A patient who breathes very slowly when wearing a low Flow of oxygen device would have: A. An increased concentration of oxygen in the lungs B. A decreased concentration of oxygen in the lungs C. There is no effect on oxygen concentration in the lungs D. There is a minimal if no effect on oxygen concentration in the lungsarrow_forwardAltitude effects on exercise are caused mainly by increased CO2 production due to the physiological response to low pressure the increased influence of nitrogen gas at higher altitudes lowered 02 partial pressure the direct effect of low pressure on breathingarrow_forwardAnaerobic exercise is A. Strength Training B. Cardiovascular Training C. Distance Runningarrow_forward
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