Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 6, Problem 16BS
Delivery of oxygen to muscles is the limiting factor for many athletes. Some try blood doping (injecting oxygenated blood). Others train at high altitude. Both approaches increase the number of red blood cells. Why is doping considered cheating? How would you enforce antidoping rules?
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Acclimatization is adaptations in a lab-controlled setting.
True
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Exercising and training at altitude provides benefits for performance at sea-level.
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Which of the following describes an
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Decreased CO2 levels trigger an decreased
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We have looked at exercise from a couple of perspectives now. Of the sets of physiological parameters below, which is a combination of one parameter that increases, one that decreases and one that doesn't change with vigorous exercise in that order?
Tidal volume, Inspiratory reserve volume, stroke volume
Forced vital capacity, heart rate, cardiac output
Hematocrit, forced vital capacity, respiratory rate
Stroke volume, expiratory reserve volume, forced vital capacity
Heart rate, tidal volume, hematocrit
Chapter 6 Solutions
Campbell Essential Biology (7th Edition)
Ch. 6 - Which of the following statements is a correct...Ch. 6 - Prob. 2SQCh. 6 - Prob. 3SQCh. 6 - Of the three stages of cellular respiration, which...Ch. 6 - The final electron acceptor of electron transport...Ch. 6 - Prob. 6SQCh. 6 - Prob. 7SQCh. 6 - Prob. 8SQCh. 6 - Exercise scientists at an Olympic training want to...Ch. 6 - Prob. 10SQ
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- Which factor best explains why shoveling snow may be associated with an increased risk for a cardiovascular event? myocardial oxygen demand cold weather arterial oxygen content lower-body force generationarrow_forwardIn conditioned athletes, the resting Heart Rate is generally much lower than in non-athletes. Why? a-because long-term exercise reduces Cardiac Output at rest to conserve energy b-because athletes have a smaller Stroke Volume at rest, causing Heart Rate to decrease as well c-because long-term exercise leads to increased vagal tone which slows Heart Rate d-because athletes have stronger ventricles and therefore a larger Stroke Volume at rest, so they require fewer bpm to achieve the same Cardiac Outputarrow_forward6) What are the dangers of Blood Doping and why do athletes risk the dangers.arrow_forward
- Describe blood doping and its potential for improving endurance performance.arrow_forwardBeginning an endurance training programme can increase body weight because in the first few days of training because of: increased heart size. increase in total volume of blood. increased fat accumulation. increased muscle cell size. retention of water in the mitochondria.arrow_forwardWhen the alary muscles contract, the hemolymph is forced through the aorta into the head. Upon relaxation, the hemolymph enters the heart through the ostia. Once the hemolymph leaves the aorta, it fills the perineural and perivisceral sinuses, bathing the internal organs at the same time. Present your understanding of this concept through a diagram in the activity worksheet.arrow_forward
- What is the rational for the benefits of LHTL training? O high altitude alters blood composition, while low altitude allows maximum intensity training high altitude makes training harder, and low altitude enhances blood composition high altitude promotes better rest and low altitude allows more intense training O high altitude enhance hematocrit, and low altitude increases Hb concentrationarrow_forwardExplain how heart rate and blood pressure change as we go from rest to exercise.arrow_forwardRead over the following article from the New York Times It describes a study in which researchers look at the changes in different types of molecules during exercise. For this question, complete the following: Briefly summarize the article Provide information about the study as to what they were looking at and any results or findings. Discuss your interest in a exercise system or response described in the article and outline how you would find more information on this topic.arrow_forward
- Cycling is a form of exercise known to increase the heart rate. For cycling, four incline levels typically determine how much more intense you would like the workout to be. Level one is a walking pace, two is slightly more difficult, three is like cycling up a hill, and four is the most intense like cycling up a mountain. I will test the heart rate to see how it increases or decreases depending on each incline level. The moderate activity would be levels one and two, while the strenuous activity would be levels three and four. Before beginning the exercise, I will sit on the bike in a resting position to get my resting heart rate. Then I will start the stopwatch on the bike that records my cycling time, heart rate, and RPM (revolutions per minute). I will start at level one for five minutes and then record my heart rate after the session. I will rest for five minutes and then repeat the same process for each incline level (three more times; four in total). What may be the…arrow_forwardWhat are the physiological advantages in sport due to using erythropoietin? What are the physiological consequences of using erythropoietin? Give an example of a Professional Athlete that used erythropoietin (Armstrong does not count).arrow_forwardBlood doping has benefits for performance, but it has some consequences on the heart, short term and long term. Learning that blood doping adds red blood cells to the blood, what variable in the blood does this change and how does that affect blood flow? viscosity; increase blood flow resistance; decrease blood flow viscosity; decrease blood flow O resistance; increase blood flowarrow_forward
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