Xena lights a fire to keep warm, and cook his green root vegetables, which are extremely alkaline. Xena is so hungry, and she is eating all her green root vegetables making her blood quite alkaline for a short time.  An example of the O2/Hb dissociation curve is provided below. The central blue line represents ‘normal blood’, and the typical affinity of Hb for O2. Referring to this figure will help you answer the following questions. Describe how the oxygen transporting capacity of haemoglobin will change for a short time in the presence of alkaline blood and explain the consequence of this change to the oxygen supply of peripheral tissues for this short time. Justify your answers.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Xena lights a fire to keep warm, and cook his green root vegetables, which are extremely alkaline. Xena is so hungry, and she is eating all her green root vegetables making her blood quite alkaline for a short time. 

An example of the O2/Hb dissociation curve is provided below. The central blue line represents ‘normal blood’, and the typical affinity of Hb for O2. Referring to this figure will help you answer the following questions. Describe how the oxygen transporting capacity of haemoglobin will change for a short time in the presence of alkaline blood and explain the consequence of this change to the oxygen supply of peripheral tissues for this short time. Justify your answers.

 

Per cent saturation of haemoglobin
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90
Po, (mmHg)
Normal blood
Transcribed Image Text:Per cent saturation of haemoglobin 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 Po, (mmHg) Normal blood
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