1. Without worrying too much about saturation curves, please describe in general WHY it is easyto load hemoglobin with oxygen in the lungs -AND- have the hemoglobin unload the oxygenat the tissue beds.

Hemoglobin Red blood cells (erythrocytes) contain hemoglobin. The red blood cells transport oxygen…

Answered: 1. Without worrying too much about…

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

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The oxyhemoglobin dissociation (saturation) curve shifts to the right as the blood becomes more acidic. Under these conditions answer the following. At a P O2 = 40 mmHg the percent saturation of hemoglobin __________ and the content of oxygen bound to hemoglobin ____________. A. Decreases; decreases B. Increases; increases C. Increases; decreases D. Decreases; increases E. Does not change; does not change
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When a person develops a fever, which of the following statements hemoglobin saturation are correct? - Modify the structure of hemoglobin and decrease its affernity for O2 - Can shift the O2-hemoglobin dissociation curve to the right - Decrease O2 unloading occurs in the tissue - Modify the structure of hemoglobin and increase its affernity for O2 - Can shift the O2 hemoglobin dissociation curve to the left - Enhance O2 unloading occurs in the tissue
Below are multiple oxygen binding affinity curves for hemoglobin. The affinity curve for normal hemoglobin in blood is represented by curve "D," at a pH of 7.2 and at a concentration of 5mM BPG and 26 mM CO2. O₂ saturation (%) 100 Answer 1: B Answer 2: [Select] Answer 3: B Answer 4: 80 A 60 1. How would changes to acidity, BPG concentration and CO₂ levels affect the binding affinity curve and p50? lower than Answer 5: E 40 1. BPG concentration is decreased to 3mM: The binding affinity curve would look like B. The p50 would be lower than normal (D). 2. pH is increased to 7.6: The binding affinity curve would look like B. The p50 would be [Select] normal (D). 20 3. CO₂ concentration is increased to 30 mM: The binding affinity curve would look like. [Select] The p50 would be Answer 6: 0 normal (D). II. The hemoglobin has been treated with a denaturing solution which disrupts quaternary structure only, and has a binding affinity resembling myoglobin. The binding affinity curve would look…
98) The mean arterial pressure of a person with a blood pressure of 120/60 is ___________. Group of answer choices 80 20 40 60 180 99) After an exhalation, and before air begins to enter the lungs (before inhalation) ____________________ Group of answer choices The volume of the alveoli decreases The volume of the thoracic cavity decreases The pressure in the alveoli decreases Air flows out of the lungs 100) Theoretically, the diastolic pressure can give information regarding the health of the heart Group of answer choices False True

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1. Without worrying too much about saturation curves, please describe in general WHY it is easy to load hemoglobin with oxygen in the lungs-AND- have the hemoglobin unload the oxygen at the tissue beds.