Biology: Life on Earth with Physiology (11th Edition)
Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 34.4, Problem 1CSR
Summary Introduction

To determine:

Does injecting synthetic EPO is differing, in a fundamental way from transfusing red blood cells taken from one’s own blood.

Introduction:

Erythropoietin is a naturally occurring protein hormone and is produced in the body by the kidneys and is used to regulate red blood cell production. Patients suffering from anemia are legally allowed to use this medically.

Summary Introduction

To determine:

How different training methods affect the fairness of sporting competitions.

Introduction:

The written and unwritten rules are the building blocks of fair play and they should be followed on the field as well as during training also. Fair sports competitions respect sports, and unfair practices must not occur in competitions.

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With the appearance of strong oxidizers in blood in erythrocytes one of the following substances is formed first of all: 1. carbhemoglobin 2. carboxyhemoglobin 3. oxyhemoglobin 4. methemoglobin 5. deoxyhemoglobin
Figure 5 shows oxyhemoglobin dissociatlon curves at pH 7.2 and pH 7.4. Which of the following is true at PO2 less than 40 mm Hg? 27. % saturation af haemogiobin 100 pH 7.4 80 60 pH 7.2 40 + 20 10 20 30 40 50 60 70 Po; (mm Hg) Figure 5 A. Hemoglobin retains less O2 at pH 7.4 compared to pH 7.2. B. Hemoglobin retains less O2 at pH 7.2 compared to pH 7.4. C. The release of O2 from hemoglobin is not influenced by the production of CO2. D. At pH 7.2 where CO2 production is less than pH 7.4, hemoglobin releases less O2.
What 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).

Chapter 34 Solutions

Biology: Life on Earth with Physiology (11th Edition)

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