E 100 Og unloaded from,hemeglobinduring normal80 metabolismOg reserve that canbe unloaded fromhemoglobin totissues with highmetabolism20 40 60 80 100Tissues during TissuesexerciseLuingsat restmm Hg)(a) Po, and Hemoglobin Dissociation at 37C and pH 74What is the % 02 saturation in the lungs?[ Choose[ Choose104What is the PO2 in the lungs?409870What is the % 02 saturation in tissues at[ Choose )rest?What is the PO2 in tissues at rest?[ Choose )o, saturation of hemoglobin ()>

Introduction: Oxyhemoglobin is formed when hemoglobin and oxygen join. HbO2 is the abbreviation for…

Answered: 100 O unloaded from hemeglobin during…

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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Which option best describes the following figure? Y (fraction saturation) 1.0 0.8 0.6 0.4 0.2 0.0 0 20 Oxygen Binding plot 40 60 p02 (torr) 80 100 A) Curve x = adult haemoglobin, curve y = fetal haemoglobin B) Curve x = myoglobin, curve y = haemoglobin C) Curve x = fetal haemoglobin, curve y = adult haemoglobin D) Curve x = fetal haemoglobin, curve y = myoglobin E) Curve x = adult haemoglobin, curve y - myoglobin
ke Question 9 o Which of these is true about the pO2 at the end of the pulmonary capillaries in perfusion-limited diffusion? O It is equal to mixed venous p02 O It is greater than alveolar p02 O It is less than alveolar p02 O It is equal to systemic arterial p02 1
Normal, resting breaths are called: O Vital capacity O Functional residual capacity O Residual volume O Inspiratory reserve volume O Tidal volume
An oxyhemoglobin dissociation curve is shown:In the diagram, shift of curve from A to B is caused by ? Carbon monoxide poisoning (CO)decreased 2,3-DPG concentrationStrenuous exerciseFetal hemoglobin Increased pH
Discuss how plasma pH affects the hemoglobin saturation curves and the amount of oxygen delivered to the tissues.
Both breathing rate and tidal volume increase significantly from rest levels during exercise O True False
N. Looking ahead (while there is still time), here is the "Oxyhemoglobin dissociation curve." It relates the % saturation of hemoglobin directly to the Poz of its surroundings. Not coincidentally, a third axis relates ml oxygen/100 ml blood directly to the % saturation. 100 20 Percent oxyhemoglobin saturation 80 60 40 20 0 0 20 ! Veins (at rest) ✓ 60 PO₂ (mmHg) 40 Arteries 80 100 155 10 5 O Oxygen content Amount of O₂ unloaded to tissues (pooյզ լա 00l/70 լա) 1) If 15 mL oxygen/100 ml gives a 75% hemoglobin saturation, then approximately how many ml of oxygen/100 ml blood corresponds to a 70% hemoglobin saturation? 2) Approximately, how many ml of oxygen/100 ml is needed to give 50% hemoglobin saturation? 3) Approximately, how many ml of oxygen/100 ml is needed to give 30% hemoglobin saturation?
1. Is this statement correct or incorrect? Explain. During strenuous exercise, the oxygen-hemoglobin dissociation curve shifts to the right. This rightward shift reflects an increase in the affinity of hemoglobin for oxygen and favors loading of O2 onto hemoglobin in the lungs. 2. Is this statement correct or incorrect? Explain. Compared to hemoglobin, myoglobin has a lower binding affinity for O2 and a higher O2 binding capacity, two characteristics that allow myoglobin to efficiently provide skeletal muscle cells with a readily-accessible reservoir of O2.
Ilike Running is training for a marathon. While training, his volume of air in each breath is 1.5 L and he takes approximately 15 breaths per minute. His total lung capacity is 5500 mL and his residual volume is 1500 mL. Ilike has a blood pH of 7.2 and his cardiac output is 4.95 L/min. His heart is pumping 172 times per minutes. Finally, his expiratory reserve volume is 750 mL. In order to increase his performance, Ilike wants an analysis of his current exercise values. Please determine the following based on the information listed above. Answe the following Blank 1: Tidal Volume Blank 2: Vital Capacity Blank 3: Ventilation Blank 4: Stroke Volume Blank 5: Inspiratory Reserve Volume:
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
If lung alveolar air PO2 = 100 mm Hg, we should expect blood leaving the lungs to have a PO2 _______ mm Hg. less than 100 mm Hg higher than 100 mm Hg equal to 100 mm Hg
Increased PCO2 in arterial blood, decreased arterial blood pH and decreased arterial blood PO2 will all cause decrease in ventilation. O True O False

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