O2 saturation curve

• [DOCX File]Chapter 23

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  P O2. of bloodBlood pH. Temperature. Metabolic activity within RBCs. 23-9 Gas Transport. Oxygen–Hemoglobin Saturation Curve . A graph relating the saturation of hemoglobin to partial pressure of oxygen. Higher P O2. results in greater Hb saturationCurve rather than a straight line because Hb changes shape each time a molecule of O 2. is bound

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• [DOC File]Skills Lab # 5: Notes

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  PO2 (mmHg) Saturation (%) 27 50 % 40 75 % (mixed venous) 60 90 % 97 97 % The hemoglobin curve allows you to assess the affinity for oxygen. Increase O2 affinity (shift-left) means a higher O2 content at any given PO2. Conversely, decreased O2 affinity (shift- right) means a lower O2 content at any given PO2.

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• [DOC File]PHYSIOLOGY 310 - PRINCIPLES OF PHYSIOLOGY

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  Relate the O2 saturation of hemoglobin to the P.O2 (the oxygen-hemoglobin dissociation curve), and explain its sigmoid shape. 17. Explain the physiological significance of the effects of CO2, pH, temperature, and 2, 3-diphosphoglycerate concentration on the oxygen-hemoglobin dissociation curve.

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• [DOC File]Human Physiology – Zoology 203 (Section)

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  W 10/23 Hb-O2 Saturation Curve; Altitudes and Depths Analysis of Disease States on Lung Function Ch 19 11 M 10/28 The Renal System: Glomerular Filtration Ch 19 Urinalysis Experimentation. W 10/30 Renal Processes (Renal Worksheet) Ch 21 12 M 11/4 Renal Hormones: Renin-Angiotensinogen-Aldosterone; The Digestive System Ch 21 Digestive Enzymes ...

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• [DOC File]Respiration

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  the O2 saturation of Hb is the percentage of available binding sites that do not have O2 attached. the oxygenated form of Hb is the T state. cyanosis is more obvious in anaemic patients. normal P50 is 27mmHg. Regarding the O2 dissociation curve: O2 affinity of Hb is reduced when the curve is shifted to the left. decreased 2,3-DPG shifts the ...

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• [DOC File]Exam Questions – Pulmonary Ventilation

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  shows the oxyhaemoglobin dissociation curve. (i) Use . figure 6. to explain how oxygen is released by the blood and supplied to. muscles. (2 marks) (ii) Explain how exercise affects the shape of the curve and the effect this has on oxygen delivery to the muscles. (4 marks) Jan 04 Qu 3. During exercise the curve shifts to the right.

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• [DOC File]Introduction to the Respiratory System

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  Oxygen–Hemoglobin Saturation Curve . Is a graph relating the saturation of hemoglobin to partial pressure of oxygen. Higher PO2 results in greater Hb saturation. Is a curve rather than a straight line. Because Hb changes shape each time a molecule of O2 is bound. Each O2 bound makes next O2 binding easier. Allows Hb to bind O2 when O2 levels ...

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• [DOC File]Exam #1

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  B) hemoglobin exhibits a sigmoidal O2 saturation curve while myoglobin exhibits a hyperbolic curve. C) hemoglobin exhibits O2 binding cooperativity while myoglobin does not. D) hemoglobin exhibits a lower degree of O2 saturation at all physiologically relevant partial . pressures of O2 than does myoglobin. E) all of the above

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• [DOC File]OCR A Level Biology A TEP - Oxygen Dissociation Curves

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  a graph of the oxygen dissociation curve of haemoglobin to copy, or the data from Table 1 in Activity 2. Each pair draws the axes and curve of the oxygen dissociation curve on the ground. The scale should be roughly as follows: x axis – 2 kPa = 0.5 m, y axis – 10% saturation = 0.5 m.

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• [DOC File]Pulse Oximetry - developinganaesthesia

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  O2 flux = CO x O2 content of the blood. = Cardiac output x (O2 carrying capacity of Hb + dissolved O2 ) = CO (mls /min) x (1.39 Hb gm / 100 mls x SAT % + 0.3 / 100mls at PaO2 of 100 mmHg) O2 carrying capacity. of Hb = 1.39 x 15gm / 100mls blood x 100 / 100, (assuming 100% saturation)

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• [DOC File]General Physiology

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  With regard to the normal Hb-ox-y-en dissociation curve, which is the most likely to be CORRECT? when arterial PO2 = 60mmHg, Hb saturation is ( 80%. when arterial PO2 = 40mmHg, Hb saturation is ( 75%. when arterial PO2 = 30mmHg, Hb saturation is ( 40%. acidosis shifts the curve to the left. decreased PCO2 shifts the curve to the right

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• [DOC File]Pulmonary Respiration and Blood Gas Transport Practice ...

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  Note: I used the Bohr effect curve (shifted down and to the right) of the bottom O2-hemoglobin dissociation curve. Calculations Pressure (mmHg) Corrected for PH2O PAO2 PACO2 % O2-Hb Saturation PaO2 725 678 99.0 38.0 98 99.0 630 583 85.1 32.7 96 85.1 500 453 66.1 25.4 85 66.1 400 353 51.5 19.8 72 51.5 300 253 36.9 14.2 54 36.9

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• Key Points_Pulm 1 - Ohio University

  After “unloading” O2 to the cells, the PO2 of venous blood is down to 40 mm Hg; It remains at this level until O2 is loaded to the blood again in the lungs; interestingly, while loading of oxygen in the lung increases O2 saturation to ~ 100%, when it unloads O2 to the cells, the oxygen saturation drops only to 75%; note that a PO2 of 40 mm ...

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• [DOC File]Physiology Review Sheet

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  O2 saturation: amount of O2 actually combined with Hb / O2 capacity (x 100) = %HbO2. Oxyhemoglobin dissociation curve. relationship between PaO2 and %HbO2. S shaped. steep in lower PaO2 range ( facilitate offloading in actively metabolizing tissues. flat at higher PaO2s ( allows reserve of O2 in event of ↓ PaO2 (down to ~ 60 mmHg)

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• [DOC File]Physiology from the bank - Doctorswriting

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  113. With regard to the normal Hb-oxygen dissociation curve, which is the most likely to be correct. A. When arterial PO2 = 60 mmHg, Hb saturation is ~ 80%. B. When arterial PO2 = 40 mmHg, Hb saturation is ~ 75%. C. When arterial PO2 = 30 mmHg, Hb saturation is ~ 40%. D. Acidosis shifts the curve to the left. E. Decreased PCO2 shifts the curve ...

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