What is the rational for the benefits of LHTL training? 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 concentration

What is the rational for the benefits of LHTL training? 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 concentration

Lifetime Physical Fitness & Wellness

15th Edition

ISBN:9781337677509

Author:HOEGER

Publisher:HOEGER

Chapter6: Cardiorespiratory Endurance

Section: Chapter Questions

Problem 1AYK

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Is there an important difference between training at high altitude and taking EPO? Can EPO be safe (and is the same as high training) if the users monitor the level of red blood cells and do not overuse it?
TRUE OR FALSE High altitude training increases in red blood cell mass and the amount of hemoglobin due to induction of erythropoietin. Platelet reacts to bleeding from blood vessel injury by clumping Iron is important for Hemoglobin protein to bind to oxygen. Iron supplementation can rescue Sickle cell anemia, a genetic disease caused by a single nucleotide change in a globin gene. Carbon monoxide benefits oxygen transport by interfering with carbon dioxide binding to hemoglobin.
During heavy exercise, the total cardiac output may increase as much asA. 2-foldB. 4-foldC. 6-foldD. 8-fold
1 point The physiological dead space: * O Is measured by single breath nitrogen analysis Increases during exercise Is higher in elderly than young adults Is the same as in the physiological shunt Is exactly equal to the anatomic dead space in normal people
Why do many physicians advise women to participate in weight training or weight bearing exercise? What is the benefit? What are the factors that influence cardiorespiratory endurance? What are the factors that contribute to the maintenance of a healthy body? What is the difference between resistance training and strength training? How does strength training burn fat?
Within the Fick Equation, what does "a-vO2diff" represent? amount of CO2 produced when exercising amount of oxygen removed at the level of the tissue O difference in RBC's between arterial and venous blood flow amount of ATP produced within a tissue
Question 4 Lymph is returned to the cardiovascular system at the: O left atrial chamber of the heart O right and left subclavian arteries right and left subclavian vein O right atrial chamber of the heart
During moderate exercise a person's _______ would increase and _____would decrease. TV: RV IRV: ERV TV : ERV FRC : VC TV : VC
BR: Average Heart Rate Data Student Gender Resting Pulse Pulse After Exercise 1 M 94 102 2 M 85 112 3 90 120 4 102 134 F 76 88 6 M 60 80 M 65 85 What is the averigeresting pulse for students in this test group? What is the average palse afier exercise for studets in this test group? What is the avernge resting pulsetor male studems? For female students? 1. What is a possible hypothesis a student could've made from looking at this data? 2. John, a student in the class drew the conclusion that males have a higher pulse rate than females before and after exercise. Is John correct? Why or why not. Use evidence from the data table.
During maximal aerobic exercise, exercise-induced arterial hypoxemia may result in elite endurance athletes due to which of the following? reduced venous return leads to decreased pulmonary capillary flow rate transit time through the pulmonary capillaries is much shorter oxygen diffusion capacity is no longer calculated using capillary mean PO2 lower venous O2 content increases the PO2 gradient
In lecture you learned about the protective impact of collateral coronary circulation. What is the hypothesized cause of increased collateral coronary circulation? O Decreased Cardiorespiratory Fitness O Increased Cardiorespiratory Fitness O Decreased Muscular Fitness Increased Muscular Fitness
Table 3: Effect of Altitude on Hct and Hb Low Altitude High Altitude Length of Packed RBC Column (mm) Hb (g/100 ml Length of Whole Blood Column (mm) Length of Packed RBC Column (mm) Hb (g/100 ml Length of Whole Blood Column Hematocrit Hematocrit (mm) (%) blood) (%) blood) 14.5 Subject 1 50 23 46 49 25 51 17.4 Subject 50 21 42 14.5 50 23 46 17.4 Subject 3 51 22 43 14.5 49 25 51 17.4 Average 50 22 44 14.5 49 24 49 17.4 Changes in Blood Hematocrit After 2 Month Acclimatization to High Altitude % 100 90 80 70 60 50 Low altitude 40 30 High altitude 20 10 Hematocrit Changes in Blood Hemoglobin After 2 Month Acclimatization to High Altitude g/100 ml 20 16 12 Low altitude 8 High altitude 4 Hb 1. What are the average hematocrit values (%) at low altitude and then after the subject trained at high altitude for 2 months?