Anatomy & Physiology: The Unity of Form and Function
8th Edition
ISBN: 9781259277726
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Chapter 22.3, Problem 6AYLO
Summary Introduction
To discuss:
The two forms and the relative amounts of O2 transported by the blood, O2 binding to hemoglobin, amount of O2 a molecule of hemoglobin can transport, and the term used when O2 binds to hemoglobin.
Introduction:
Blood is an aqueous fluid that contains a red pigment called as hemoglobin (Hb). Hemoglobin is a blood protein, which has four subunits: two alpha and two beta subunits. It is a molecule that can bind and carry oxygen (O2) inside the tissues of the body where it is released and enters
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Students have asked these similar questions
Which of the following statements regarding the transport of oxygen by hemoglobin is correct?
Upon binding of oxygen to heme, a shift in the position of the distal His ultimately induces the
switch from T to R states
When fully bound to oxygen, AG(R-state)
Place a single word into each sentence to make it correct
saturation
The relationship between hemoglobin
and Po2 is shown by an
oxyhemoglobin dissociation curve.
rises
lowers
At low Po2, the curve
slowly
load
When the curve rises there is a rapid
increase in
oxygen
loading.
deficiency
When the first heme group binds a
molecule of oxygen,
changes conformation to accept a second
carbon dioxide
Oxygen.
Eventually at high Po2 levels, the
hemoglobin approaches 100 % saturation
and can not
hemoglobin
more oxygen.
Factors involved in the difference between oxyhemoglobin values and cyanmethemoglobin values in normal individuals.
Chapter 22 Solutions
Anatomy & Physiology: The Unity of Form and Function
Ch. 22.1 - A dust particle is inhaled and gets into an...Ch. 22.1 - Prob. 2BYGOCh. 22.1 - Prob. 3BYGOCh. 22.1 - Prob. 4BYGOCh. 22.1 - Prob. 5BYGOCh. 22.1 - Prob. 6BYGOCh. 22.1 - Prob. 1AYLOCh. 22.1 - Prob. 2AYLOCh. 22.1 - Prob. 3AYLOCh. 22.1 - Prob. 4AYLO
Ch. 22.1 - Prob. 5AYLOCh. 22.1 - Prob. 6AYLOCh. 22.1 - Prob. 7AYLOCh. 22.1 - Gross anatomy of the lungs; how the right and left...Ch. 22.1 - Prob. 9AYLOCh. 22.1 - How bronchioles differ from bronchi; two types of...Ch. 22.1 - Prob. 11AYLOCh. 22.1 - Prob. 12AYLOCh. 22.2 - Prob. 7BYGOCh. 22.2 - Prob. 8BYGOCh. 22.2 - Prob. 9BYGOCh. 22.2 - Prob. 10BYGOCh. 22.2 - Prob. 11BYGOCh. 22.2 - Suppose a healthy person has a tidal volume of 650...Ch. 22.2 - Prob. 13BYGOCh. 22.2 - Prob. 1AYLOCh. 22.2 - Prob. 2AYLOCh. 22.2 - Prob. 3AYLOCh. 22.2 - Locations and roles of the central and peripheral...Ch. 22.2 - Prob. 5AYLOCh. 22.2 - Prob. 6AYLOCh. 22.2 - Prob. 7AYLOCh. 22.2 - Prob. 8AYLOCh. 22.2 - Prob. 9AYLOCh. 22.2 - Prob. 10AYLOCh. 22.2 - Prob. 11AYLOCh. 22.2 - Prob. 12AYLOCh. 22.2 - Use of the spirometer to measure pulmonary...Ch. 22.2 - Prob. 14AYLOCh. 22.2 - Prob. 15AYLOCh. 22.2 - Prob. 16AYLOCh. 22.3 - Why is the composition of alveolar air different...Ch. 22.3 - Prob. 15BYGOCh. 22.3 - Prob. 16BYGOCh. 22.3 - Prob. 17BYGOCh. 22.3 - Prob. 18BYGOCh. 22.3 - Prob. 19BYGOCh. 22.3 - Prob. 20BYGOCh. 22.3 - Prob. 21BYGOCh. 22.3 - Prob. 22BYGOCh. 22.3 - Composition of the atmosphere and average partial...Ch. 22.3 - Prob. 2AYLOCh. 22.3 - Prob. 3AYLOCh. 22.3 - Prob. 4AYLOCh. 22.3 - Prob. 5AYLOCh. 22.3 - Prob. 6AYLOCh. 22.3 - Prob. 7AYLOCh. 22.3 - Prob. 8AYLOCh. 22.3 - Prob. 9AYLOCh. 22.3 - Prob. 10AYLOCh. 22.3 - Prob. 11AYLOCh. 22.3 - Prob. 12AYLOCh. 22.3 - Prob. 13AYLOCh. 22.3 - Prob. 14AYLOCh. 22.3 - Prob. 15AYLOCh. 22.3 - Prob. 16AYLOCh. 22.4 - Prob. 23BYGOCh. 22.4 - Prob. 24BYGOCh. 22.4 - Prob. 25BYGOCh. 22.4 - The definition of hypoxia; its four varieties and...Ch. 22.4 - Prob. 2AYLOCh. 22.4 - Prob. 3AYLOCh. 22.4 - The most common cause of lung cancer, and the...Ch. 22 - The nasal cavity is divided by the nasal septum...Ch. 22 - The intrinsic laryngeal muscles regulate speech by...Ch. 22 - The latest air passages that engage in gas...Ch. 22 - Prob. 4TYRCh. 22 - Prob. 5TYRCh. 22 - Prob. 6TYRCh. 22 - According to_______ the warming of air as it is...Ch. 22 - Prob. 8TYRCh. 22 - Prob. 9TYRCh. 22 - Prob. 10TYRCh. 22 - Prob. 11TYRCh. 22 - Within each lung, the airway forms a branching...Ch. 22 - Prob. 13TYRCh. 22 - Prob. 14TYRCh. 22 - Prob. 15TYRCh. 22 - Some inhaled air does not participate in gas...Ch. 22 - Prob. 17TYRCh. 22 - Prob. 18TYRCh. 22 - The matching of airflow to blood flow in any...Ch. 22 - Prob. 20TYRCh. 22 - Prob. 1BYMVCh. 22 - Prob. 2BYMVCh. 22 - Prob. 3BYMVCh. 22 - Prob. 4BYMVCh. 22 - eu-Ch. 22 - meterCh. 22 - Prob. 7BYMVCh. 22 - Prob. 8BYMVCh. 22 - Prob. 9BYMVCh. 22 - Prob. 10BYMVCh. 22 - Prob. 1WWTSCh. 22 - Prob. 2WWTSCh. 22 - Prob. 3WWTSCh. 22 - Prob. 4WWTSCh. 22 - Prob. 5WWTSCh. 22 - Prob. 6WWTSCh. 22 - Prob. 7WWTSCh. 22 - Prob. 8WWTSCh. 22 - Prob. 9WWTSCh. 22 - Prob. 10WWTSCh. 22 - Prob. 1TYCCh. 22 - State whether hyperventilation would raise or...Ch. 22 - Prob. 3TYCCh. 22 - Consider a man in good health with a 650 mL tidal...Ch. 22 - Prob. 5TYC
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- true or false ? Oxygen binding to hemoglobin has what affect on additional molecule of oxygen binding to the same molecule of hemoglobin?arrow_forwardReferring to the loading and unloading of oxygen from hemoglobin (as illustrated in the figure), which of the following statements is correct? Oxygen Dissociation Curve.png Group of answer choices When a person in ventilating at rest, 75% of hemoglobin is still oxyhemoglobin The percent saturation of hemoglobin is higher at higher partial pressures of oxygen A decrease in the pH of the blood would promote unloading oxygen from the hemoglobin All of these are correctarrow_forwardCarbon monoxide (CO) is a colorless, odorless gas produced during combustion of fuels (for example, by car engines and furnaces). The following graph depicts an oxygen dissociation curve in the absence and presence of varying amounts of carbon monoxide. Based on these results, in the presence of 20% CO, when PO2 is 90mmHg you should expect each hemoglobin molecule to have _____ molecule(s) of O2 bound a) 1 b) 2 c) 3 d) 4arrow_forward
- Which statement about BPG's interaction with hemoglobin is correct? Group of answer choices BPG binds with a stoichiometry of one molecule per hemoglobin subunit Without BPG, hemoglobin would not be able to release oxygen in muscle tissue BPG stimulates the ability of hemoglobin to take up oxygen in the lungs BPG binding counters the Bohr effect in muscle tissue, causing an increase in pH BPG's negative charge interferes with ion pair formation, thus favoring the R statearrow_forwardThe hemoglobin in mammalian blood is usually thought ofsimply as increasing the amount of O2 that can be carried by eachliter of blood. However, in a lecture on hemoglobin, a respiratoryphysiologist made the following statement: “The presence ofhemoglobin in the blood also makes possible the rapid uptakeof O2 by the blood as it flows through the lungs.” Explain thelecturer’s point.arrow_forwardWhich are not allosteric effects that occur in hemoglobin? Are used by H* Involve binding away from the heme group Increase the Hill coefficient nH Reduce the affinity of heme for O2 Are used by DPGarrow_forward
- Which of the folloqing statements about BPG and its effect on oxygen transport is NOT true? BPG binds more tightly to adult Hb than fetal Hb, thus facilitating the O2 transfer to the fetus. An initial reponse in adapting to higher altitude is increased BPG synthesis in erythrocites. This increase in BPG concentraton will shift the Hb saturation curve to a higher affinity position relative to its sea-level position, facilitating better O2 aborption and transport at higher altitudes. The presence of BPG in mammalian erythrocytes decreases Hb affinity for O2 BPG binds Hb in its central cavity in the R-state but not in the T-state, and in this way decreasing Hb affinity for O2 BPG binds Hb in its central cavity in the T-state but not in the R-state, and in this way decreasing Hb affinity for O2arrow_forwardHemoglobin A inhibits the formation of the long fibers of hemoglobin S and the subsequent sickling of the red cell on deoxygenation. Why does hemoglobin A have this effect?arrow_forwardA plasma increase of which of the following will cause a leftward shift of the hemoglobin saturation curve? O pH O PACO2 O 2,3 BPGarrow_forward
- Myoglobin has a ______________ affinity for oxygen compared to hemoglobin, and therefore oxygen. it માતા ના બાર વાં Higher; transports Lower; transports Lower; stores Higher; storesarrow_forwardTrue or false Chemically-linked hemoglobin moelcules can stay in the blood for as long as 72 hrs. Cow hemoglobin can be safelty used by humans. Free hemoglobin produces vasoconstruction of blood vesselsand increases blood pressure in patients.arrow_forwardWhen 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 tissuearrow_forward
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