Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 39, Problem 13RQ
Which of the following will NOT facilitate the transfer of oxygen to tissues?
- decreased body temperature
- decreased pH of the blood
- increased carbon dioxide
- increased exercise
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Students have asked these similar questions
Which of the following statements about oxygen transport is TRUE.
Increases in temperature and decreases in pH cause myoglobin to release
oxygen to improve delivery to the hemoglobin in muscles.
A molecule of myoglobin has higher oxygen binding capacity than a molecule of
hemoglobin.
Myoglobin has a higher oxygen affinity than does hemoglobin.
Fetal hemoglobin has a lower affinity for oxygen than maternal hemoglobin,
which makes it better suited to extract oxygen from the maternal circulation.
When holding your breath, you must eventually exhale because:
High levels of carbon dioxide are making your blood acidic
You need more oxygen to drive cellular respiration
You need oxygen to drive glycolysis
Increased levels of carbon dioxide are making your blood basic
None of the above
Myoglobin would be an inappropriate carrier of oxygen to peripheral tissues
because:
Myoglobin exists in the T, or deoxy state, in muscle tissue.
Myoglobin would not release oxygen at the oxygen pressures found in muscle
tissue.
Myoglobin has lower affinity and would lose the oxygen to hemoglobin during
transport.
Myoglobin is only soluble in plasma.
Two of the above.
Chapter 39 Solutions
Biology 2e
Ch. 39 - Figure 39.7 Which of the following statements...Ch. 39 - Figure 39.13 Which of the following statements is...Ch. 39 - Figure 39.20 The kidneys are responsible for...Ch. 39 - The respiratory system. provides body tissues with...Ch. 39 - Air is warmed and humidified in the nasal...Ch. 39 - Which is the order of airflow during inhalation?...Ch. 39 - The inspiratory reserve volume measures the...Ch. 39 - Of the following, which does not explain why the...Ch. 39 - The total lung capacity is calculated using which...Ch. 39 - How would paralysis of the diaphragm alter...
Ch. 39 - Restrictive airway diseases. increase the...Ch. 39 - Alveolar ventilation remains constant when...Ch. 39 - Which of the following will NOT facilitate the...Ch. 39 - The majority of carbon dioxide in the blood is...Ch. 39 - The majority of oxygen in the blood is transported...Ch. 39 - Describe the function of these terms and describe...Ch. 39 - How does the structure of alveoli maximize gas...Ch. 39 - What does FEV1/FVC measure? What factors may...Ch. 39 - What is the reason for having residual volume in...Ch. 39 - How can a decrease in the percent of oxygen in the...Ch. 39 - If a patient has increased resistance in his or...Ch. 39 - How would increased airway resistance affect...Ch. 39 - Explain how a puncture to the thoracic cavity...Ch. 39 - When someone is standing, gravity stretches the...Ch. 39 - What would happen if no carbonic anhydrase were...Ch. 39 - How does the administration of 100 percent oxygen...
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- A partial pressure gradient of oxygen exists between ________. a. air and lungs b. lungs and metabolically active tissues c. air at sea level and air at high altitudes d. all of the abovearrow_forwardIn the experiments performed by Joseph Priestley, the pure oxygen consumed by a burning candle in a sealed glass jar, or by a mouse during aerobic respiration, was referred to (by Priestley) as: inflammable air fixed air C. fire air phlogiston all of the abovearrow_forwardIf the oxygen levels increased throughout your body, you would expect to see the following occur to bring levels back to homeostasis Group of answer choices A decrease in sympathetic activity to the smooth muscle of blood vessels An increase in heart rate An increase in stroke volume An increase in parasympathetic activity to the smooth muscle of blood vessels An increase in sympathetic activity to the heartarrow_forward
- Which of the following factors would increase the oxygen carrying capacity of the blood? A 50% increase in hematocrit in combination with blood cells that have half the concentration of hemoglobin? A 20% increase in myoglobin levels. An increase in temperature. An increase in pH none of the above would increase the total amount of oxygen carried by the bloodarrow_forwardWhich method of oxygen transport is most effective? Carried with white blood cells Carried with hemoglobin Carried in the fluid portion of blood, plasma Carried with loose bodiesarrow_forwardThe movement of air out of the lungs during normal expiration is a result of? Air moves out of the lungs due to the relaxation of the diaphragm and intercostal muscles. Air moves out of the lungs due to the passive elastic recoil of the chest wall and lungs. Air is forced out of the lungs due to the active contraction of the abdominal and external intercostal muscles. Air is forced out of the lungs due to the active contraction of the abdominal and internal intercostal muscles.arrow_forward
- Ischemic hypoxia is the result of: inability of the cells to use oxygen compromised oxygen transport due to blockage or constriction of blood vessels substitution of oxygen by another substance, e.g. carbon monoxide compromised ability of oxygen tansport due to low hemoglobin low environmental oxygenarrow_forwardMyoglobin’s oxygen-binding curve exhibits a shape best described as— serpentine. hyperbolic. straight. sigmoidal. bell.arrow_forwardThe lungs perform other :physiologic functions Play secondary role in heat exchange and fluid balance of the body by warming the air we breathe in (inspire). All O Keeping the PH (acidity) of the blood constant. Exchange of O2 and CO2.arrow_forward
- True or false: are two large organs that exchange oxygen and carbon dioxide?arrow_forwardVentilatory threshold is the point at which an individual's ventilation becomes coupled to oxygen need an individual begins to produce lactate an individual's breathing becomes coupled to their need to buffer acidosis an individual reaches their VO2 maxarrow_forwardDuring maximal aerobic exercise, exercise-induced arterial hypoxemia may result in elite endurance athletes due to which of the following? reduced venous return leads to decreased pulmonary capillary flow rate transit time through the pulmonary capillaries is much shorter oxygen diffusion capacity is no longer calculated using capillary mean PO2 lower venous O2 content increases the PO2 gradientarrow_forward
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